Token LT10.7MA20ATB Filters for fm ,tv/vcr stage, communication Datasheet

TOKEN
CERAMIC
FILTERS
Filters for FM ,TV/VCR Stage, Communication
Token Electronics Industry Co., Ltd.
Taiwan: No. 137, Sec. 1, Chung Shin Rd., Wu Ku Hsiang, Taipei Hsien, Taiwan, R.O.C
TEL: 886-2-2981 0109; FAX: 886-2-2988 7487
China:
12F, Zhongxing Industry Bld., Chuangye Rd., Nanshan District, Shenzhen, Guangdong
TEL: 86-755-2605 5363, 2605 5364; FAX: 86-755-2605 5365
http://www.token.com.tw
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Product Index
Information
Introduction of Filters -------------------------------------------------------------------------- 01
Terminologies of Filter Characteristic Properties ------------------------------------ 02
Ceramic Filters for FM Series
Chip Ceramic Filters - LTCS10.7M Series ------------------------------------------------ 05
SMD Ceramic Filters for AM - LTCA/CV10.7M Series -------------------------------- 07
Ceramic Filters - LT10.7M Series ------------------------------------------------------------ 09
Ceramic Filters - LT10.7M A10 Series ------------------------------------------------------ 09
Ceramic Filters - LT10.7M Series ------------------------------------------------------------ 09
Ceramic Filters for for TV/VCR Stage
Ceramic Filters - LT MB Series -------------------------------------------------------------- 13
Ceramic Filters - LTT MA Series ------------------------------------------------------------ 16
Ceramic Filters - LTS MCB/MDB Series --------------------------------------------------- 19
Ceramic Filters for for TV/VCR Stage
LTC 455/450 Series - Surface Mountable ------------------------------------------------- 22
LTM 455/450 Series - Miniaturized Versions -------------------------------------------- 25
LT 455/450 U/W Series - G.D.T. Characteristics ----------------------------------------- 28
LTP Series - for Standard AM Filtering --------------------------------------------------- 31
LTZ Series - for AM ----------------------------------------------------------------------------- 34
MLT Series - Miniature for AM --------------------------------------------------------------- 37
LTB Series - Shrinking Mobile Communication --------------------------------------- 39
LTA Series - for Radio Cassette Recorder ---------------------------------------------- 42
LZU Series - Search-Stop Signal Detection --------------------------------------------- 45
Notice: Specification Changed or Version Updated will be posted at irregular intervals.
All Updated and Final Specifications, Please Confirm with TOKEN ELECTRONICS
REPRESENITIVES.
:
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TOKEN
Information of Ceramic Filters
Information of
Ceramic Filters
Introduction of Filters
For more than two decades, piezo technology has been instrumental in the proliferation of solid state
electronics. A view of the future reveals that even greater expectations will be placed on piezoelectric
material in the area of new applications and for more stringent performance criteria in modern
products.
The IC (Integrated Circuit) has found wide use in the field of commercial equipment, such as
automotive radios, stereo systems, 2-way communications, TV sets, etc. Thus, new miniature
integrated filters, with high performance, are extremely desirable for use in IF circuits.
Furthermore, radio wave disturbance due to rapid progress of data transmitting rate and remarkable
sophistication of communication network have become significant traffic conflicts. Accordingly,
the demand for filters with high selectivity and wide pass band width has boosted.
The IC application of the active elements will continue its progress, and there will be a growing
demand for highly selective, non-adjustable, miniature and wide pass band width IF circuit.
Advantage of Token Piezoelectric Filters
Token Electronics had been able to develop specialized piezo materials which when combined with
an advance design have resulted in a complete line of practical, inexpensive piezo devices for
entertainment and communications applications.
Token reliably deliver high-quality components according to the each customer special needs with
respect to performance, costs, and technology modifications.
For marketing discontinuations or sourcing activities concerning Piezoelectric Filter products, you
are encouraged to contact our Sales Department so the request can be properly directed within Token.
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Filter Terminologies
Terminologies of
Filter Characteristic
Properties
What is Ceramic Filter
Ceramic filter is a filter which uses a piezoelectric ceramics as an electrical-mechanical transducer and as
a mechanical resonator. It provides simultaneously the electrical and the mechanical system within a single
element
Input Level
[dB]

Attenuation
0
3
(or 6)




20
(or 60)




Center Frequency




Pass Band Width
Insertion Loss
Ripple
Attenuation Band Width
(dB band width)

Selectivity

Spurious Response

Spurious
Frequency
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Filter Terminologies
What is Ceramic Filter
●
Center Frequency (Symbol: f0; Unit: Hz)
It signifies the frequency in the center of the pass band width. However, the center frequency for
some product is expressed at the point where the loss is minimum.
●
Pass Band Width (Symbol: PBW; Unit: Hz)
Signifies a difference between the two frequencies where the attenuation becomes 3dB from the
level of the minimum loss point.
●
Insertion Loss (Symbol: IL; Unit: dB)
Expressed in the input and output level ratio at the point of minimum loss in dB. The insertion loss
for some product is expressed in the input and output level ratio at the center frequency.
●
Ripple (Unit: dB)
If there are peaks and valleys in a pass band width, the ripple expressed the level difference of
voltage between the maximum peak and minimum valley and it is expressed in dB.
● Attenuation Band Width (Symbol: ABW; Unit: Hz)
Signifies a difference between the two frequencies where the attenuation becomes the specified
values (dB) from the level of minimum loss.
(Example: Expressed at a point where the attenuation becomes 20 dB in case of 10.7 MHz filter.)
●
Selectivity (Unit: dB)
Expressed as the attenuation of the detuning point from the center frequency.
(Example: The attenuation that ±9 kHz was detuned from the center frequency in case of 455 kHz
filter.)
●
Spurious Response (Symbol: sp; Unit: dB)
Expressed as the difference of voltage ratio between minimum attenuation point in the stop band
range and minimum loss point in the pass band width by using dB (The stopped range is specified
with each filter).
● Spurious
Signifies the frequency response based on the parasitic (unwanted) vibration against the frequency
except the fundamental vibration.
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●
Filter Terminologies
Input/Output Impedance (Unit: Ω)
Signifies the internal impedance value of the input and output side at the center frequency of
ceramic piezoelectricity, and it is expressed in Ω. It causes no problem even if the input and the
output are used in reverse with ceramic piezoelectricity, since the input and the output impedance
are in a symmetry of substantially almost same value.
●
Impedance Matching
When connecting one electric circuit to another, or a component to another, or one electric circuit to
a component, the electric energy is supplied most efficiently from the signal source to the load if the
signal source impedance and the load impedance are same.
If these impedances are mismatched, electric energy escapes in form of a reflection. To match the
signal source impedance and the load impedance is called the impedance matching. This is very
important for ceramic piezoelectricity, as an improper impedance matching may cause various
troubles.
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LTCS10.7M Chip Ceramic Filters
Chip Ceramic Filters
LTCS10.7M Low Profile Chip Ceramic Filter
is Murata SFECS10M7 Compatible
Preview
Token LTCS10.7M Chip Ceramic Filter for FMreceiver utilizes the latest piezoelectric ceramic
technology enabling the most cost-effective
designs. The LTCS10.7M constructs with
piezoelectric element which is connected in the
sandwich shape by ceramics substrate. With a small
mounting area (3.45±0.2 x 3.1±0.2 mm) and super
thin profile (1.4 mm max.) enables flexible PCB
design. Products conform to the RoHS directive.
Various bandwidths are available including standard and custom bandwidth on request with 30 db Minimum
Spurious Attenuation at (9-12MHz). Maximum Insertion Loss (dB) 3.5±2.0 db ~ 4.5±2.0 db and Input/Output
Impedance 330Ω provide customers select a suitable type in accordance with the desired selectivity.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
Features
- Mountable by automatic placers.
- Storage temperature range: -40 to +85 ( °C ).
- Operating temperature range: -20 to +80 ( °C ).
- Various bandwidths are available. Select a suitable type in accordance with the desired selectivity.
- Slim at only 1.5mm max. thickness, and have a small mounting area enabling flexible PCB design.
Applications
- Small, thin radios.
- Headphone stereos.
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LTCS10.7M Chip Ceramic Filters
Dimensions
0.7±0.3
A5
① ②
③
0.6±0.3 0.4±0.2 0.6±0.3
0-0.3
0-0.3
④
0.85±0.3
3.10±0.2
LTCS10.7M
③ Float(signal line)
④ Output
0.85±0.3
1.4±0.1
3.45±0.2
① Input
② Ground
0.7±0.3
0.7±0.3
(1.30)
(1.30)
0-0.3
0-0.3
(1.35)
(1.35)
Technical Characteristics
3dB Band Width
(kHz)
230±50
180±40
280±50
330±50
Part Number
LTCS10.7MS2
LTCS10.7MS3
LTCS10.7MA5
LTCS10.7MA20
20dB Band Width
(kHz)max
510
470
590
700
Insertion Loss
(dB)max
3.5±2.0
4.5±2.0
3.0±2.0
3.0±2.0
Spurious Attenuation
(9-12MHz)(dB)min
30
30
30
30
Test Circuit
③
R1 ②
~
①
Rg
④
R2
S.S.G
Rg +R1= R2=330Ω
C
RF
V.M
C=10pF
Including stray capacitance and input capacitance of RF voltmeter
How to Order
LTCS10.7MS2
TR


 Part Number
 Packaging:( TR : Taping Reel )
Back to 1st Page - Chip Ceramic Filters - LTCS10.7M
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LTCA/CV10.7M SMD Ceramic Filters
SMD Ceramic Filters
for FM
SMD Ceramic Filters with Low Profile 1.5±0.2 mm,
Murata SFECV10M7 Compatible
Preview
Token SMD ceramic filter (LTCA/CV10.7M) for AM/FM has been made smaller, thinner and in a chip
configuration for surface mounting to be of help to the total chip circuit. This is one more example of Token’s
leadership in converting conventional electronic components to chip technology.
The LTCA/CV10.7M series for FM-receivers are monolithic type ceramic filters which utilize the thickness
expander mode of the piezoelectric ceramic. Piezoelectric element is connected in the sandwich shape by heat
resistant substrate, thus it has excellent mechanical strength, and it is suitable for automatic mounting.
The dimensions of LTCA/CV10.7M chip ceramic filter is small as 7.0±0.3 x 3.0±0.3 mm with low profile
1.5±0.2 mm. Insertion Loss max(dB) is from 3.0 db ~ 10 db, Spurious Attenuation (9~12 MHz) min(dB) 30
db ~ 35 db with Input/Output Impedance: 330Ω. Various bandwidths are available. Select a suitable type in
accordance with the desired selectivity.
The LTCA/CV10.7M series conform to the RoHS directive. Token will also produce devices outside these
specifications to meet specific customer requirements, please contact our sales for more information.
Applications
- Small, thin radios, automotive radios.
- Headphone stereos.
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TOKEN
LTCA/CV10.7M SMD Ceramic Filters
Dimensions
1.5±0.2
3.0±0.3
7.0±0.3
1.2±0.3 1.2±0.3
1.2±0.3
4.10±0.4
Technical Characteristics
Part
Number
LTCA10.7MJ
LTCV10.7MJ
LTCA10.7MA5
LTCV10.7MA5
LTCA10.7MS2
LTCV10.7MS2
LTCA10.7MS3
LTCV10.7MS3
3dB BandWidth
(kHz)
150±40
150±40
280±50
280±50
230±50
230±50
180±40
180±40
20dB Band Width
(kHz) max
430
380
650
590
570
510
520
470
Insertion Loss
(dB)max
10.0
5.5±2.0
6.0
3.0±2.0
6.0
3.5±2.0
6.0
4.0±2.0
Spurious Attenuation
(9-12MHz)(dB)min
30
35
30
35
30
35
30
35
Note:Input/Output Impedance:330Ω
How to Order
LTCV10.7MA5
TR


 Part Number
 Packaging:( TR : Taping Reel )
Back to 1st Page - SMD Ceramic Filters for AM - LTCA/CV10.7M
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LT10.7M Ceramic Filters for FM Receiver
Ceramic Filters
for FM Receiver
(LT10.7M) Ceramic Filters
are Compatible Murata SFELF10M7
Preview
Token LT10.7M series are monolithic devices whichutilize
the energy-trapped thickness vibration-mode. This principle
of operation is based upon the fact that an excellent
resonating element with low spurious vibration can be
obtained by adhering to certain theoretical parameters of
design. These parameters include the physical dimensions
of the peizo element, the electrode pattern, and the associated
mass loading effect of the electrodes.
Token categorizes the LT 10.7 family according to rank of
center frequency. This ranking indicates that a given LT 10.7
will be marked with one of the colors listed in the following
chart and will exhibit the center frequency in Technical
Characteristics Table.
The LT10.7M offers three series: LT10.7M for FM Receiver (Compatible Murata SFELF10M7), LT10.7M A10
Insertion Loss 2.5±2.0 db ~ 4.5±2.0 db (Compatible Murata SFELF10M7 A10), and LT10.7M Wide Band-width
950 kHz at 20dB/Narrow Band-width 95 kHz at 20dB (Compatible Murata SFELF10M7 DBS Receiver).
LT10.7M Narrow Band-width series features stable low spurious and temperature characteristics. This series
is suitable for European car-audio or AM up conversion use that needs narrow band characteristics are stable.
LT10.7M Wide Band-width series are specified to make up conventional ceramic filters which wider band
characteristics not obtained.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements,
please contact our sales for more information.
Applications
- Change in center frequency is typically within ±30ppm/°C at -20°C to +80°C.
- Various band widths are available for applications in wide to narrow bands.
- Low loss, favorable waveform symmetry, and high selectivity.
- These miniature filters have high mechanical strength.
- Excellent shape factor of frequency response.
- Small dispersion and stable characteristics.
- Good waveform symmetry.
- High reliability.
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LT10.7M Ceramic Filters for FM Receiver
Color 2
4.0max
L10.7A
2.5±0.3
0.5±0.1
③
2.5±0.3
0.3±0.1
②
①
① Input
② Ground
③ Output
5.0±1.0
Color 1
7.0±2.0
7.0±2.0
Dimensions
Color 1:A5,S2,JA10
Color 2:S3,HY
2.5±0.3
FM Receiver (Murata SFE10M7 FM-IF Compatible) Technical Characteristics
Part
Number
LT10.7MA5
LT10.7MS2
LT10.7MS3
3dB Band Width
(kHz)
280±50
230±50
180±40
20dB Band Width
(kHz) max
650
600
520
Insertion Loss
(dB) max
6
6
7
Spurious Attenuation
(9-12MHz)(dB)min
30
40
40
Note: Input/Ouput Impedance:330Ω
Low - Loss Type (Murata SFE10M7 A10 Compatible) Technical Characteristics
PartNumber
3dB Band
Width(kHz)
20dB Band
Width(kHz) max
Insertion Loss(dB)
LT10.7MA5A10
LT10.7MS2A10
LT10.7MS3A10
LT10.7MJA10
280±50
230±50
180±40
150±40
590
520
470
360
2.5±2.0
3.0±2.0
3.5±1.5
4.5±2.0
Spurious
Attenuation
(9-12MHz)(dB)min
30
35
35
35
Note: Input/Ouput Impedance:330Ω
Wide/Narrow Band-width (Murata SFE10M7 DBS Receiver Compatible) Technical Characteristics
Part
Number
LT10.7MA19
LT10.7MA20
LT10.7MHY
LT10.7MFP
3dB Band Width
(kHz)
350min
330±50
110±30
20min
20dB Band Width
(kHz) max
950
680
350
95
Insertion Loss
(dB)
3.0±2.0
4.0±2.0
7.0±2.0
6.0max
Spurious Attenuation
(9-12MHz)(dB)min
20
30
30
24(10.7±1.0MHz)
Note: Input/Ouput Impedance:470Ω(MA19),330Ω(MA20,MHY),600Ω(MFP)
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LT10.7M Ceramic Filters for FM Receiver
Characteristics
LT10.7MA5
LT10.7MS2
10
20
30
40
0
Attenuation(dB)
0
Attenuation(dB)
Attenuation(dB)
0
10
20
30
40
10.3 10.5 10.7 10.9 11.1
Frequency(MHz)
LT10.7MS3
10
20
30
40
10.3 10.5 10.7 10.9 11.1
Frequency(MHz)
10.3 10.5 10.7 10.9 11.1
Frequency(MHz)
Test Circuit
R1
Rg
~
S.S.G
①
②
③
R2
C
RF
V.M
Rg + R1 = R2 = 330 Ω
C = 10pF
Including stray capacitance and input capacitance of RF voltmeter
1. When using ceramic filters, it is most important to match the input/output load to impedance 330 ohm
(LT10.7MA19 is 470 ohm matching). Waveform symmetry is damaged when reactance is added to
the input/output load.
2. Two ceramic filters directly connected can be used for high selectivity. For reducing waveform
variation, it is recommended to input a buffer AMP between ceramic filters.
3. The LT10.7M series are of input/output symmetric structure so that in theory there is no input/output
directionality. Actual circuits may use different input/output loading conditions (for example,
mismatched impedance) or capacitance load. In such cases, the waveform will be a little changed by
the direction of the input/output of the ceramic filters.
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LT10.7M Ceramic Filters for FM Receiver
Standard Marking Color
Center Frequency
D:10.64MHz±30kHz
B:10.67MHz±30kHz
A:10.70MHz±30kHz
C:10.73MHz±30kHz
E:10.76MHz±30kHz
Color
Black
Blue
Red
Orange
White
How to Order
LT10.7MA5
A
P



 Part Number
Part Number
LT10.7MA5
LT10.7MS2
LT10.7MS3
LT10.7MA5A10
LT10.7MS2A10
LT10.7MS3A10
LT10.7MJA10
LT10.7MA19
LT10.7MA20
LT10.7MHY
LT10.7MFP
 Center Frequency color code
Code
A
B
C
D
E
Center Frequency color code
10.70MHz±30kHz Red
10.67MHz±30kHz Blue
10.73MHz±30kHz Orange
10.64MHz±30kHz Black
10.76MHz±30kHz White
 Package
Code
P
TB
Package
Bulks
Tab Box
Back to 1st Page - Chip Ceramic Filters - LTCS10.7M
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LT MB Ceramic Filters for TV/VCR Stage
Ceramic Filters
for TV/VCR Stage
Ceramic Filters for TV/VCR Stage
(Murata SFE MB Compatible) 4.5 MHz ~ 6.5 MHz
Preview
Token utilizes the latest piezo filter technology enabling the most cost-effective designs in manufacturing LT
MB series. The ceramic filter is primarily designed for piezoelectric lines and conform to the RoHS directive
and Lead-free. Ceramic filters for TV/VCR stage LT MB series can be customed designs and tighter tolerances
available on request.
Application of ceramic filters specific designs also available including different piezo band-pass devices and Q
specifications adjusted to frequency requirements. Token ceramic filters can supply you high performance, high
quality and stability.
Token ceramic filters LT MB series are a high selectivity filter for 2 channel multi-sound TV. Features with
frequency adjustment-free, high performance and durability, and high selectivity.
Benefit Features
- Excellent spurious suppression characteristics within video signal band.
- Available 4 pass bandwidth variation to meet various requests.
- Low profile (H = 10.0mm max.).
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LT MB Ceramic Filters for TV/VCR Stage
Dimensions
10.0max
10.0max
5.0max
0.5±0.1
0.3±0.1
②
③
2.5±0.3
①
① Input
② Ground
③ Output
5.0±1.0
LT6.5MB
2.5±0.3
FM Receiver (Murata SFE10M7 FM-IF Compatible) Technical Characteristics
LT4.5MB
Attenuation(dB)
0
10
20
30
4.1
4.3
4.5
4.7
4.9
Frequency(MHz)
Part
Number
Nominal
Center Frquency
(fo) (MHz)
3dB
Band Width
(kHz) min
20dB
Band Width
(kHz) max
Insert
Loss
(dB) max
Spurious
Attenuation
(dB) min
Input/Output
Impedance
(Ω)
LT4.5MB
4.500
fo±60
530
6.0
20(4.5 +0.8
-1.0 MHz)
1000
LT5.5MB
LT6.0MB
5.500
6.000
fo±75
fo±80
550
600
6.0
6.0
600
470
LT6.5MB
6.500
fo±80
630
6.0
25(5.5±1MHz)
25(6.0±1MHz)
25(6.5+1MHz)
30(6.5-1MHz)
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LT MB Ceramic Filters for TV/VCR Stage
Test Circuit
R1
Rg
˜
① ③
②
R2
S.S.G
C
RF
V.M
Rg+R1=R2=Input/Output Impedance
C=10pF
Including stray capacitance and input capacitance of RF voltmeter
How to Order
LT5.5MB
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for TV/VCR Stage - LT MB
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TOKEN
LTT MA Ceramic Filters for TV/VCR Stage
High-Selectivity
Ceramic Filters
for TV/VCR Stage
High-Selectivity Ceramic Filter
for TV/VCR Stage Compatible Murata SFT
Preview
Token high-selectivity Ceramic filters for TV/VCR stage LTT MA series is 4 element devices that offer more
selectivity than the conventional LT series (Murata SFE). The improved spurious suppression of these filters
eliminates the need for cascading multiple filtering devices; therefore, it is possible to design a more compact
circuit board configuration.
Token High-Selectivity Filter LTT MA series conform to the RoHS directive. This high-selectivity device can be
customed designs and tighter tolerances available on request.
Application of ceramic filter specific designs also available including different piezo band-pass devices and Q
specifications adjusted to frequency requirements. Token ceramic filters can supply you high performance, high
quality and stability.
With dimensions (15±2.0 x 7.5±2.0 x 3.0±1.0 mm), Insert Loss max 9db and 10dB, Spurious Attenuation min
40dB and 50 db, and Input/Output Impedance 470Ω, 600Ω, 1000Ω, Nominal Center Frequency (fo) (MHz) of
LTT MA series is available 4.500MHz, 4.724MHz, 5.500MHz, 5.742MHz, 6.000MHz, 6.250MHz, 6.500MHz,
and 6.742MHz.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
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LTT MA Ceramic Filters for TV/VCR Stage
Dimensions
15.0±2.0
T6.5A
0.5±0.1
0.3±0.1
④
③
②
2.5±0.3
①
7.5±0.3
5.0±1.0
7.5±2.0
3.0±1.0
2.5±0.3
① Input
②③ Ground
④ Output
Technical Characteristics
LTT5.5MA
Attenuation(dB)
0
10
20
30
40
50
60
4000
4500
5500
6000
6500
Frequency(MHz)
Part
Number
Nominal Center
Frequency
(fo) (MHz)
3dB
Band Width
(kHz) min
20dB
Band Width
(kHz) max
Insert
Loss
(dB) max
Spurious
Attenuation
(dB) min
Input/Output
Impedance
(Ω)
LTT4.5MA
4.500
fo±40
370
10.0
40(4.5 +0.8
-1.0 MHz)
1000
LTT4.72MA
4.724
fo±40
370
10.0
40(4.72+0.8
-1.0 MHz)
1000
LTT5.5MA
LTT5.74MA
LTT6.0MA
LTT6.25MA
LTT6.5MA
LTT6.74MA
5.500
5.742
6.000
6.250
6.500
6.742
fo±50
fo±50
fo±50
fo±50
fo±50
fo±50
350
350
400
400
400
400
9.0
9.0
9.0
9.0
9.0
9.0
40(5.5±1MHz)
50(5.74±1MHz)
50(6.0±1MHz)
50(6.25±1MHz)
50(6.5±1MHz)
50(6.74±1MHz)
600
600
470
470
470
470
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17 of 46
TOKEN
LTT MA Ceramic Filters for TV/VCR Stage
Test Circuit
R1
Rg
˜
S.S.G
①
④
② ③
R2
C
RF
V.M
Rg+R1=R2=Input/Output Impedance
C=10pF
Including stray capacitance and input capacitance of RF voltmeter
How to Order
LTT4.5MA
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters High-Selectivity for TV/VCR Stage - LTT MA
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TOKEN
LTS MCB/MDB Ceramic Filters
Ceramic Filters
Low Spurious
for TV/VCR Stage
Token (LTS MCB/MDB) Ceramic Filter
is suitable for Multiplex Sound TV in America
Preview
Token series ceramic filters low spurious for TV/VCR stage LTS MCB/MDB series use thickness shear vibration
mode and is compatible Murata SFSH MCB/MDB. Features with excellent spurious characteristics within Video
Signal Band, and 3 types bandwidths prepared to respond customer requests. LTS MCB/MDB is suitable for
Multiplex Sound TV in America.
The LTS MCB/MDB series conform to the RoHS directive and Lead-free. This filter low spurious for TV/VCR
stage LTS MCB/MDB series can be customed designs and tighter tolerances available on request.
Application of ceramic filter specific designs also available including different piezo band-pass devices and Q
specifications adjusted to frequency requirements. Token ceramic filters can supply you high performance, high
quality and stability.
With dimensions max (10 x 8.0 x 4.0 mm), Insert Loss max 6dB, and Spurious Attenuation (0~fo) min 30dB, The
LTS MCB/MDB has excellent spurious characteristics within Video Signal Band. Nominal Center Frequency (fo)
is available with 4.500kHz, 5.500kHz, 6.000kHz, and 6.500kHz.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements,please contact our sales for more information.
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19 of 46
TOKEN
LTS MCB/MDB Ceramic Filters
Dimensions
10.0max
L4.5C
0.5±0.1
③
2.5±0.3
0.3±0.1
②
①
5.0±1.0
8.0max
4.0max
① Input
② Ground
③ Output
2.5±0.3
Technical Characteristics
Attenuation(dB)
0
LTS4.5MCB
10
20
30
40
50
60
3.9 4.1 4.3 4.5 4.7 4.9
Frequency(MHz)
Part
Number
LTS4.5MCB
LTS4.5MDB
LTS5.5MCB
LTS5.5MDB
LTS6.0MCB
LTS6.0MDB
LTS6.5MCB
LTS6.5MDB
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Nominal
Center Frequency
(fo) (MHz)
4.500
4.500
5.500
5.500
6.000
6.000
6.500
6.500
3dB
Band Width
(kHz) min
fo±60
fo±70
fo±60
fo±80
fo±60
fo±80
fo±70
fo±80
20dB
Band Width
(kHz) max
600
750
600
750
600
750
650
800
http://www.token.com.tw/
Insert
Loss
(dB) max
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
+0.8
Spurious
-1.0
Attenuation
(0~fo) (dB) min
30
30
30
30
30
30
30
30
rfq token.com.tw
Input/Output
Impedance
(Ω)
1000
1000
600
600
470
470
470
470
Version 2010
TOKEN
LTS MCB/MDB Ceramic Filters
Test Circuit
R1
Rg
˜
① ③
②
S.S.G
R2
C
RF
V.M
Rg+R1=R2=Input/Output Impedance
C=10pF
Including stray capacitance and input capacitance of RF voltmeter
How to Order
LTS4.5MCB
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters Low Spurious for TV/VCR Stage - LTS MCB/MDB
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TOKEN
LTC 455/450 Chip Ceramic Filters
Chip Ceramic Filters
for Communication
Surface Mount Ceramic Filters
for Communication (Murata CFUCG Compatible)
Preview
Token chip ceramic filters LTC455/450 U/W series for communication (Compatible to Murata CFUCG series)
comprises small, high performance, thin (4.0mm) consisting of 4 ceramic elements. Their innovative construction
is perfect for shrinking mobile communication products such as pocket pagers and cellular phones.
The surface mount LTC455/450 U/W series for AM use is one of the most recommendable intermediate filters,
having such distinctive features as high selectivity, high stability and adjustment-free operation. Additionally its
easy matching with IC helps create an easy circuit design.
With dimensions (7.5 x 6.0 mm) and 4.0 mm low profile, the LTC455/450 U/W filters have a small mounting
area enabling flexible PCB design and are suitable for automatic placers. Standard Center Frequency is 455kHz
with tolerance ±1.5 and 450kHz is also available. Pass Band Ripple (dB) max is 2db, Input / Output Impedance is
1000Ω and 1500Ω.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
Features
- They are slim, at only 4.0mm max. thickness, and have a small mounting area enabling flexible PCB design.
- Operating temperature range: -20°C to +80°C.
- Can be reflow soldered and withstand washing.
- The bandwidth ranges from D to G.
- Mountable by automatic placers.
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Version 2010
TOKEN
LTC 455/450 Chip Ceramic Filters
Dimensions
① 455EU ②
6.5
③
7.5Max
①
6.5
③
① Input
② Output
③ Ground
6.0
455EW
②
7.5 Max
④
① Input
③④ Ground
② Output
11.5
3.0 Max
4.0 Max
5.5
4.0
Technical Characteristics
LTC455B
LTC455E
LTC455H
10
20
30
40
50
60
410
430
450 460
480
0
(dB) Attenuation
(dB) Attenuation
0
500
LTC455B
LTC455E
LTC455H
10
20
30
40
50
60
410
430
Frequency (KHz)
Part
Number
LTC
455BU
LTC
455CU
LTC
455DU
LTC
455EU
LTC
455FU
LTC
455GU
LTC
455HU
LTC
455IU
LTC
455BW
LTC
455CW
LTC
455DW
LTC
455EW
LTC
455FW
LTC
455GW
LTC
455HW
LTC
455IW
Center
Frequency
(fo)(kHz)
455±1.5
450 460
480
500
Frequency (KHz)
Insertion
Loss
(dB)
max
LTC
LTC
455U 455W
4
4
Pass
Band
Ripple
(dB)
max
6dB
Band
Width
(kHz)
min
40dB
Band
Width
(kHz)
min
LTC455U
2
±15.0
±30
Spurious
50dB
Input
Attenuation
Band
/
fo±100kHz
Width
Output
(dB) min
(kHz)
Impedance
min
LTC LTC
(Ω)
LTC455W 455U 455W
±30
27
50
1000
455±1.5
4
4
2
±12.5
±25
±25
27
50
1000
455±1.5
4
4
2
±10.0
±20
±20
27
50
1500
455±1.5
6
4
2
±7.5
±15
±15
27
50
1500
455±1.5
6
6
2
±6.0
±12
±12
27
47
1500
455±1.5
6
6
2
±4.5
±10
±10
25
47
1500
455±1.5
6
6
2
±3.0
±9.0
±9.0
25
47
1500
455±1.5
6
6
2
±2.0
±7.5
±7.5
25
47
1500
Note: Center frequency 450KHz is also available.
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23 of 46
TOKEN
LTC 455/450 Chip Ceramic Filters
Test Circuit
LTC455□U
R1
①
Rg
~
LTC455□W
②
③
Rg
R2
S.S.G
RF
V.M
Rg+ R1= R2=Input/Output Impedance
~
①
②
④
③
S.S.G
R2
RF
V.M
Rg+ R1= R2=Input/Output Impedance
How to Order
LTC455BU
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for Communication - LTC 455/450
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Version 2010
TOKEN
LTM 455/450 Ceramic Filters
Ceramic Filters
for Communication
Ceramic Filter for Communication
(Murata CFUM/WM 455/450 Compatible)
Preview
Token ceramic filters for communication LTM 455/450 U/W series are miniaturized versions of the Murata CFU/
CFWS lines.
These compact, highly selective characteristics are recommended for use in applications ranging from two-way
radio to auxiliary filters in high class transceivers.
These ultra-miniature versions consume approximately 40% less volume while still offering the same high
performance filter characteristics.
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TOKEN
LTM 455/450 Ceramic Filters
Dimensions
2.5 2.7
6.5
9.5
45
① ②
5E
W
③
①
②
3.5
1.0
③ ④
① Input
③④ Ground
② Output
1.9
0.9
③④ ⑤
① ②
③
④
②
⑤
4.3
6.2
U
6.2
5E
① Input
③④⑤ Ground
② Output
3.5
45
0.7
.
1.0
2.4 1.8 0.8
6.5
4.3
6.5
Technical Characteristics
LTM455BU
LTM455EU
LTM455HU
10
20
30
40
50
60
410
430
450 460
480
0
(dB) Attenuation
(dB) Attenuation
0
500
LTM455BW
LTM455EW
LTM455HW
10
20
30
40
50
60
410
Frequency (KHz)
Part
Number
LTM455AU
LTM455BU
LTM455CU
LTM455DU
LTM455EU
LTM455FU
LTM455GU
LTM455HU
LTM455IU
LT
M455HTU
LTM455AW
LTM455BW
LTM455CW
LTM455DW
LTM455EW
LTM455FW
LTM455GW
LTM455HW
LTM455IW
LT
M455HTW
430
450 460
480
500
Frequency (KHz)
40dB
Band
Width
(kHz)
max
LTM455 U
50dB
Band
Width
(kHz)
max
LTM455 W
Pass
Insertion
Center
Band
Loss
Frequency
Ripple
(dB)
(kHz)
(dB)
max
max
6dB
Band
Width
(kHz)
min
455±2.0
455±2.0
455±2.0
455±1.5
455±1.5
455±1.5
455±1.5
455±1.0
455±1.0
4
4
4
4
6
6
6
6
6
2
2
2
2
2
2
2
2
2
±17.5
±15
±12.5
±10
±7.5
±6
±4.5
±3
±2
±40
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±35
±30
±24
±20
±15
±12.5
±10
±9
±7.5
455±1.0
6
2
±3
±9
±9
Spurious
Attenuation
fo±100kHz
(dB) min
(LTM
455 U)
28
28
28
28
28
28
28
28
28
(LTM
455 W)
40
40
40
40
40
40
40
40
40
35
60
Input
/
Output
Impedance
(Ω)
1000
1500
1500
1500
1500
2000
2000
2000
2000
2000
Note: Center frequency 450KHz is also available.
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TOKEN
LTM 455/450 Ceramic Filters
Test Circuit
R1
①
②
R1
LTM455U
Rg
~
③
②
①
LTM455W
④
Rg
RF
V.M
S.S.G
Rg+ R1= R2=Input/Output Impedance
~
③
⑤
④
R2
S.S.G
RF
V.M
Rg+ R1= R2=Input/Output Impedance
How to Order
LTM455BU
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for Communication - LTM 455/450
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TOKEN
LT 455/450 U/W Ceramic Filters
Ceramic Filters
for Communication
Token Ceramic Filters to Address the G.D.T. Characteristics
for Communication (Murata CF, SF Compatible)
Preview
Token ceramic filters for communication LT 455/450 U/W series are 4-element and 6-element devices connected
in ladder form. These highly selective filters are designed to address the G.D.T. characteristics required in digital
communications.
The excellent G.D.T. characteristics allow these filters to be utilized in areas such as the mobile cellular markets
as well as a variety of stereo applications. (Also available in 450kHz version.)
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
Benefit Features :
- LT455 EU Dimensions: (7.0 x 8.0 x 8.0 mm).
- LT455 EW Dimensions: (7.0 x 11.0 x 8.0 mm).
- Center frequency: 450kHz, 455kHz.
- Pass Band Ripple (dB) max: 2 db.
- Insertion Loss (dB) max: 4 db, 6 db.
- Input / Output Impedance: 1000Ω ~ 2000Ω.
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TOKEN
LT 455/450 U/W Ceramic Filters
Dimensions
0.8
2.9 2.9 2.6
7.0
8.0
55
55
EU
EW
③
4.0
③
① Input
② Ground
③ Output
②
①
⑤
②
4.0
①
④ ③ ② ①
⑤
8.0
8.0
②①
4.3
L4
0.8
11.0
L4
③
④
4.3
7.0
2.7
① Input
②③④ Ground
⑤ Output
Technical Characteristics
0
LT455BU
LT455EU
LT455HU
10
20
(dB) Attenuation
(dB) Attenuation
0
30
40
50
60
410
430
450 460
480
500
LT455BW
LT455EW
LT455HW
10
20
30
40
50
60
410
430
Frequency (KHz)
Part
Number
LT455AU
LT455BU
LT455CU
LT455DU
LT455EU
LT455FU
LT455GU
LT455HU
LT455IU
LT455HTU
LT455AW
LT455BW
LT455CW
LT455DW
LT455EW
LT455FW
LT455GW
LT455HW
LT455IW
LT455HTW
450 460
480
500
Frequency (KHz)
Pass
Insertion
Center
Band
Loss
Frequency
Ripple
(dB)
(kHz)
(dB)
max
max
6dB
Band
Width
(kHz)
min
455±2.0
455±2.0
455±2.0
455±1.5
455±1.5
455±1.5
455±1.5
455±1.0
455±1.0
455±1.0
±17.5
±15
±12.5
±10
±7.5
±6
±4.5
±3
±2
±3
4
4
4
4
6
6
6
6
6
6
2
2
2
2
2
2
2
2
2
2
Spurious
40dB
50dB
Input
Attenuation
Band
Band
/
fo±100kHz
Width
Width
Output
(dB) min
(kHz)
(kHz)
Impedance
max
max
(LT
(LT
(Ω)
(LT455U) (LT455W) 455 U) 455 W)
±40
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
±35
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
28
28
28
28
28
28
28
28
28
35
40
40
40
40
40
40
40
40
40
60
1000
1500
1500
1500
1500
2000
2000
2000
2000
2000
Note: Center frequency 450kHz is also available.
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29 of 46
TOKEN
LT 455/450 U/W Ceramic Filters
Test Circuit
R1
③
①
R1
①
LT455U
~
LT455W
②
Rg
⑤
Rg
R2
RF
V.M
S.S.G
Rg+ R1= R2=Input/Output Impedance
~
②
③
④
R2
S.S.G
RF
V.M
Rg+ R1= R2=Input/Output Impedance
How to Order
LT455BU
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for Communication - LT 455/450 U/W
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TOKEN
LTP Ceramic Filters for AM
Ceramic Filters for AM
Token Ceramic Filters for AM
are Compatible Murata SFU450/455kHz
Preview
Token ceramic filters are primarily designed for piezoelectric lines and conform to the RoHS directive and
Lead-free. Ceramic filters for AM (LTP) series are designed to address the needs of standard AM filtering
requirements. These filters are recommended for use in low cost products where economically, efficient designs
are critical.
The LTP series for AM use is one of the most recommendable intermediate filters, having such distinctive
features as high selectivity, high stability, and adjustment-free operation. Additionally its easy matching with IC
helps create an easy circuit design.
Token ceramic filters can supply you high performance, high quality and stability. The LTP series can be
customed designs and tighter tolerances available on request. Application of ceramic filters specific designs also
available including different piezo band-pass devices and Q specifications adjusted to frequency requirements.
Benefit Features
- Center frequency range between 450~470kHz are available standard tolerance of ±2kHz.
- Insert Loss (dB) max 5.0 db.
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TOKEN
LTP Ceramic Filters for AM
Dimensions
7.0
3.2
9.0
LTP
455B
③
②
2.5
① Input
② Ground
③ Output
L
①
2.5
Technical Characteristics
Attenuation(dB)
0
IFT+LTP450B
10
20
30
40
50
60
435
445
455
465
475
Frequency(MHz)
Part
Number
3dB
Band Width
(kHz)
Center
Frequency
(fo) (kHz)
LTP455A
LTP455B
LTP450BY
LTP450BY1
9.5±3
9.5±3
7±2
4.5±1.5
455±2
462±2
455±2
452.5±2
Selectivity(dB)min
-9kHz off
5.0
5.0
6.0
9.0
+9kHz off
3.0
3.0
5.0
8.0
Insert Loss
(dB) max
5.0
5.0
5.0
5.0
Composition
Lead Length
L (mm)
L1
L2
one element
one element
with IFT
3.6
5.0
Note: Center Frequency (fo) is available in a range of 450~470kHz.
The nominal frequency tolerance is±2kHz.
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TOKEN
LTP Ceramic Filters for AM
Recommended IFT (7mm Square)
Item
Winding Specification
LTP 455B
②~③
①~②
70T
Form bottom
unloaded Qu
Tuning Capacity
115T
④~⑥
7T
105
108PF
Test Circuit
R1
~
Rg
①
③
②
R2
S.S.G
RF
V.M
Rg+ R1= R2=3KΩ
How to Order
LTP455A
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for AM - LTP
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TOKEN
LTZ Ceramic Filters for AM
Ceramic Filters for AM
The Low Cost Standard AM Filters
(Murata SFZ Compatible)
Preview
Ceramic filters for AM (LTZ) series are designed to address the needs of standard AM filtering requirements and
are recommended for use in low cost products where economically, efficient designs are critical.
Token ceramic filters LTZ series for AM conform to the RoHS directive. The LTZ series can be customed designs
and tighter tolerances available on request.
Application of ceramic filters specific designs also available including different piezo band-pass devices and Q
specifications adjusted to frequency requirements. Token ceramic filters can supply you high performance, high
quality and stability.
With dimensions (7.0 x 9.0 x 6.5mm), and Insertion Loss 7db, the (LTZ) series is composition of 2 elements
direct coupling. Center Frequency (fo) is available in a range of 450kHz ~ 470kHz. The nominal frequency
tolerance is ±2kHz.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
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LTZ Ceramic Filters for AM
Dimensions
6.5
7.0
⑥ ⑤ ④
3.3
9.0
LTZ
455HL
① ② ③
① Input
②⑤ Ground
③④ Direct Coupled
⑥ Output
2.5 2.5
Technical Characteristics
IFT+LTZ455JL
IFT+LTZ455HL
(dB)Attenuation
0
10
20
30
40
50
60
435
445
455
465
475
Frequency(MHz)
Part
Number
LTZ455HL
LTZ455JL
Center Frquency
(fo) (kHz)
455.5±2.0
456.0±2.0
3dB BandWidth
(kHz)
4.0±1
5.5±1
Selectivity
±9kHz off (dB) min
23
18
InsertionLoss
(dB)
7
7
Composition
2 elements direct
coupling type
Note: Center Frequency (fo) is available in a range of 450 ~ 470kHz.
The nominal frequency tolerance is ± 2kHz.
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35 of 46
TOKEN
LTZ Ceramic Filters for AM
Test Circuit
④
⑤
③
R1 ②
①
~
⑥
Rg
R2
S.S.G
RF
V.M
Rg+ R1= R2=3KΩ
Recommended IFT (7mm Square)
Item
Winding Specification
① ○
② ○
③
○
○
●
○
Form bottom
①~②
LTZ455HL/JL
②~③
④~⑥
68T
84T
14T
④
⑥
unloaded Qu
Tuning Capacity
90
108PF
How to Order
LTZ455HL
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for AM - LTZ
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TOKEN
MLT Miniature Ceramic Filter for AM
Miniature for AM
Ceramic Filter
One of The Most Recommendable Intermediate Filters
for AM (Murata PFB Compatible)
Preview
Token miniature ceramic filters for AM is one of the most recommendable intermediate filters, having such
distinctive features as high selectivity, high stability and adjustment-free operation.
Additionally its easy matching with IC helps create an easy circuit design such as applications in Electric
synthesized tuners, HiFi audio systems, AM stereo demodulations, One-chip non-adjustment IC’s, and even
smaller, thinner set structure to cope with these diversifying for AM receiver.
Features with center frequency between 450 and 470 kHz, standard tolerance ±2kHz, and synthesizers for the
types of center frequencies 450, 459 and 468 kHz. Standard tolerance is ±1 kHz.
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TOKEN
MLT Miniature Ceramic Filter for AM
Dimensions
7.0
3.6
②
2.5
① Input
② Ground
③ ③ Output
2.5
5.0
①
9.0
LT465A
Technical Characteristics
(dB) Attenuation
0
10
20
40
435
Part
Number
LT 455JR
3dB Band Width
(kHz)
5.5±1.5
IFT+LT455JR
445 455
465
Frequency (MHz)
Selectivity ±9kHz off
(dB)
≥17
475
Insertion Loss
(dB)
≤6
Composition
2 elements
Note: Center Frequency (fo) is available in a range of 450 ~ 470kHz.
The nominal frequency tolerance is ± 2kHz.
Recommended IFT (7mm Square)
Item
Winding Specification
Form bottom
unloaded Qu
Tuning Capacity
①~②
7×7mm
②~③
④~⑥
85T
67T
23T
①~②
5×5mm
②~③
④~⑥
84T
98T
33T
90
180PF
65
180PF
How to Order
LT 455JR
P


 Part Number
 Package
Back to 1st Page - Ceramic Filter Miniature for AM - LT 455JR
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TOKEN
LTB Ceramic Filters for Communication
Ceramic Filters
for Communication
LTB Ceramic Filter is Perfect
for Shrinking Mobile Communication Products
Preview
Token Ceramic Filter series conform to the RoHS directive and Lead-free.
Ceramic filters for communication LTB series can be customed designs and tighter tolerances available on
request.
Application of ceramic filters specific designs also available including different piezo band-pass devices and Q
specifications adjusted to frequency requirements.
Token ceramic filters for communication LTB series comprises small, high performance.
Their innovative construction is perfect for shrinking mobile communication products such as pocket pagers and
cellular phones.
Operating temperature range: -20°C to +80°C; Storage temperature range: -40°C to +85°C.
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TOKEN
LTB Ceramic Filters for Communication
Dimensions
3.2
9.2
5.0
③
① Input
② Ground 2.5
③ Output
②
①
2.5
4.0
Technical Characteristics
LT465A
Attenuntion (dB)
0
10
20
30
40
50
455
475
465
Frequency(KHz)
Part
Number
Center
Frequency
(fo) (kHz)
LTB450AL2
LTB455AL2
LTB465AL2
LTB450BL2
LTB455BL2
LTB465BL2
450±2
455±2
465±2
450±2
455±2
465±2
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6dB
Band
Width
(kHz) min
Selectivity
± 9kHz off
(dB) min
Pass
Band
Ripple
(dB) max
Insertion
Loss
(dB) max
Input/
Output
Impedance
(Ω)
4
18
1.0
6.8
1.0/1.5
6
16
1.0
5.8
1.5/2.0
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TOKEN
LTB Ceramic Filters for Communication
Test Circuit
R1
~
Rg
S.S.G
L1
R2
C1
RF
V.M
Rg+ R1=Input Impedance
R2=Output Impedance
C1=50pF
L1=2.7mH
How to Order
LTB450AL2
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for Communication - LTB
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TOKEN
LTA 450kHz~470kHz Ceramic Filters
Ceramic Filters
for Radio
ACassette Recorder
Ceramic Filters for Radio Cassette Recorder (LTA)
Preview
ceramic filters for radio-cassette recorder LTA series are designed to address the needs of standard radio cassette
recorder requirements.
Recommend for use in low cost products where economically, efficient designs are critical. The nominal
frequency tolerance is ±2KHz.
Token LTA series ceramic filters conform to the RoHS directive.
Ceramic filters for radio cassette recorder LT series can be customed designs and tighter tolerances available on
request.
Application of ceramic filters specific designs also available including different piezo band-pass devices and Q
specifications adjusted to frequency requirements.
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TOKEN
LTA 450kHz~470kHz Ceramic Filters
Dimensions
3.6
7.0
① ② ③
2.5 2.5
① Input
② Ground
③ Output
5.0
9.0
LT
465A
Technical Characteristics
LT465A
Attenuntion (dB)
0
10
20
30
40
50
455
475
465
Frequency(KHz)
Part
Number
LT450A
LT455A
LT465A
Center
Frequency
(fo)(kHz)
450±2
455±2
465±2
Insertion
Loss
(dB)max
3
3
3
6dB Band
Spurious
Width
Attenuation
(kHz)min (fo±100kHz)(dB)min
8
12
8
12
8
12
Selectivity
±9kHz off
(dB)min
11
11
11
Pass Band
Ripple
(dB)max
1
1
1
Input/Output
Impedance
(Ω)
2
2
2
Note: Center Frequency (fo) is available in a range of 450 ~ 470kHz.
The nominal frequency tolerance is ± 2kHz.
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TOKEN
LTA 450kHz~470kHz Ceramic Filters
Test Circuit
R1
Rg
~
①
②
③
R2
S.S.G
RF
V.M
Rg+ R1= R2=Input/Output Impedance
How to Order
LT455A
P


 Part Number
 Package
Back to 1st Page - Ceramic Filters for Radio Cassette Recorder - LT465A
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TOKEN
LZU Ceramic Filters Signal Detection
Ceramic Filters
Search-Stop
Signal Detection
Ceramic Filters 450kHz Search-Stop Signal Detection
(Murata BFULA Compatible)
Preview
Token ceramic filters 450kHz search-stop signal detection LZU series are specifically designed for signal
detection circuitry used in applications such as that found in the search-stop functions of electronically tuned
radios. Center frequency is also available in LTZ series a range of 450kHz ~ 470kHz.
The LZU series are narrow bandwidth filters. This filter is used in the application which detects the carrier peak
with a narrow bandwidth amplifier, or an electronic tuner as a stop signal detector.
The LZU series can be customed designs and tighter tolerances available on request and conform to the RoHS
directive.
Custom parts are available on request. Token will also produce devices outside these specifications to meet
specific customer requirements, please contact our sales for more information.
Benefit Features
- Center frequency: 455kHz. (470kHz is also available.)
- Most suitable for IC Station Detectors (SD).
- Resonant Resistance (max): 20Ω ~ 30Ω.
- LZU Dimensions: (7.0 x 9.0 x 3.5 mm).
- for IF signal detection.
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TOKEN
LZU Ceramic Filters Signal Detection
Dimensions
3.5
LZU
450C
4.0
9.0
7.0
5.0
Technical Characteristics
Part Number
LZU450C
LZU450C4N
LZU450K3
Resonant Frequency
(kHz)
450±1.0
450±0.8
450±1.0
Resonant Resistance
(Ω) (max)
20
30
30
Band Width(fa-fr)
(kHz)
14±2
9±2
27.5±4.5
Application
IF
signal detection
Technical Test Circuit
Fa
Fr/Zr
50KΩ
~
3KΩ
S.S.G
3KΩ
RF
V.M
~
50KΩ
S.S.G
RF
V.M
How to Order
LZU450C
P


 Part Number
 Package
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