EPCOS LM42A

SAW Components
Preliminary Data LM42A
SAW Components
LM42A
Low-Loss Filter
456,00 MHz
Preliminary Data
Ceramic SMD package QCC12E
Features
1,27 1,27
3
5
12
4
2
bottom view
6
11
1,4
1
1,1 2,54
Low-loss filter for WiMAX
Usable bandwidth 3,7 MHz
Low insertion attenuation
Package for Surface Mounted Technology
(SMT)
10
●
●
●
●
9
8
7
1,35
0,8
Terminals
side view
● Gold plated
5,0
7,0
top view
Dimensions in mm, approx. weight 0,2 g
Pin configuration
10,12
4, 6
2, 3, 5, 8, 9, 11
1, 7
Type
Balanced Input
Balanced Output
Ground
Case ground
Ordering code
LM42A
Marking and Package
Packing
according to
according to
C61157-A7-A103
F61074-V8170-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
Peak source power
T
Tstg
VDC
Ps
Ps
-40/ +85
-40/ +85
0
10
13
2
˚C
˚C
V
dBm
dBm
10 years
peak < 1s
Mar 30, 2004
SAW Components
LM42A
Low-Loss Filter
456,00 MHz
Preliminary Data
Characteristics
T = -40 ... +85 ˚C
200 Ω balanced and matching network
200 Ω balanced and matching network
Operating temperature:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
fN
Minimum insertion attenuation
(including matching network)
αmin
Amplitude ripple (p-p)
∆α
fN ± 1,7 MHz
fN ± 1,85 MHz
τ
Absolute group delay (at fN)
fN ± 1,7 MHz
fN ± 1,7 MHz
—
MHz
—
8,5
10,0
dB
—
—
0,6
1,5
1,0
3,0
dB
dB
—
0,55
3,0
µs
250
ns
120
8
10
12
14
—
—
dB
dB
20
35
45
30
38
49
—
—
—
dB
dB
dB
30
40
50
40
40
30
70
70
64
46
44
44
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
TCf
—
–0,036
—
ppm/K2
T0
—
30
—
˚C
Input
Output
Relative attenuation (relative to αmin)
1 MHz ...
256 MHz
256 MHz ... 360
MHz
360 MHz ... 416,0 MHz
416 MHz ... 452,65 MHz
459,35 MHz ... 656 MHz
656 MHz ... 946
MHz
Temperature coefficient of frequency
Turnover temperature
dependance of fc:
max.
456,00
—
Impulse response attenuation (Time/Height values are relative to the main time response lobe)
1-2 µs
2-3 µs
> 3 µs
1) Temperature
typ.
—
∆τ
Group delay ripple (p-p)
Return loss
min.
αrel
1)
fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
Mar 30, 2004
SAW Components
LM42A
Low-Loss Filter
456,00 MHz
Preliminary Data
Normalized transfer function
Normalized transfer function (pass band)
4
Mar 30, 2004
SAW Components
LM42A
Low-Loss Filter
456,00 MHz
Preliminary Data
Normalized transfer function
Transfer function (Impulse response)
5
Mar 30, 2004
SAW Components
LM42A
Low-Loss Filter
456,00 MHz
Preliminary Data
Matching network to 200 Ω balanced
4:1 transformer is only required for measurement in a 50 Ω environment
(element values depend on PCB layout)
L
L
L
L
Lp1 = 100 nH
Lp4 = 22 nH
Ls6 = Ls7= 18 nH
Ls2 = Ls3= 33 nH
Lp5= 27 nH
Lp8 = 62 nH
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC
P.O. Box 80 17 09, 81617 Munich, GERMANY
 EPCOS AG 2004. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
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This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
6
Mar 30, 2004