ITF 250211B

SAW Bandpass Filter 250211B
1. Features
IF bandpass filter
High attenuation
Single-ended operation
Dip Package
Maximum Storage Temperature Range : -40℃ ~ 85℃
Electrostatics Sensitive Device (ESD)
2.5±0.2
Package : D3512
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
25.4±0.2
7.6±0.2
0.45±0.05
5.5max 6.0max
143.9-1.8M
250211B
ITF 08A001
35.1±0.5
12.8±0.5
2.5±0.2
2. Package Dimension
1
Input
5
Output
2, 4
Ground
3, 6
Case ground
Part No.
250211B
Rev. Date
2008-11-13
Rev.
NW8033-CS01
1/5
SAW Bandpass Filter 250211B
3. Specifications
Fo = 143.9 MHz
Terminating source impedance
: 50Ω and matching network
Terminating load impedance
: 50Ω and matching network
Minimum
Typical
Maximum
MHz
-
143.9
-
dB
-
21.5
24.0
1dB Bandwidth
MHz
1.8
1.86
-
3dB Bandwidth
MHz
-
2.0
-
20dB Bandwidth
MHz
-
2.48
2.6
40dB Bandwidth
MHz
-
2.71
2.8
dB
-
0.35
1.0
Group Delay Variation (Fo +/- 0.8 MHz)
nsec
-
220
350
Absolute Delay
usec
-
3.63
-
dB
50
55
-
dB
20
24
-
ppm/°C2
-
-0.03
-
Center Frequency
Insertion Loss
Amplitude Ripple (Fo +/- 0.8 MHz)
Ultimate Rejection
Relative Attenuation
fo+/-900KHz+/-400KHz
Temperature Coefficient of Frequency
Notes :
1)
All specifications are based on the matching schematic shown below
2)
All specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature
3)
All attenuation measurements are measured relative to insertion loss
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
250211B
Rev. Date
2008-11-13
Rev.
NW8033-CS01
2/5
SAW Bandpass Filter 250211B
4. Matching Schematic
( Actual matching values may vary due to PCB layout and parasitics )
L1
Input
50Ω
L2
C1
Output
50Ω
C2
L1 = 56 nH, L2 = 47 nH
C1 = C2 = 43 pF
5. Marking Configuration
ITF1) 08A0012)
250211B3)
143.94)-1.8M5)
1) Manufacturer name
2) Lot Number
3) Part Number
4) Center Frequency
5) 1dB-Bandwidth
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Part No.
250211B
Rev. Date
2008-11-13
Rev.
NW8033-CS01
3/5
SAW Bandpass Filter 250211B
6. Typical Performance ( at +25℃
℃)
CH1
CH3
S21
S21
LOG
LOG
10 dB/
10 dB/
14 Oct 2008 20:20:47
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -21.4 dB
REF -21.4 dB
MI143B A1
CH1 Markers
BW:
1
Cor
2. 484467
MHz
cent : 143 . 865043
MHz
REF=1
Q: 57 . 906
2
1_loss : -21 . 540 dB
Cor
4
3
3
4
BW
cent
CH3 Markers
:
2. 714884
MHz
: 143 . 873556
MHz
REF=1
1_
Q: 52 . 994
loss : -21 . 540 dB
CENTER 143 . 900 000 MHz
CH1
CH3
S21
S21
LOG
LOG
10 dB/
10 dB/
SPAN
8. 000 000 MHz
14 Oct 2008 20:22:36
2: 0. 0000 dB
0. 000 000 MHz
2: 0. 0000 dB
0. 000 000 MHz
REF -21.4 dB
REF -21.4 dB
MI143B A1
CH1 Markers
2
Cor
1: . 27790 dB
900 . 000 kHz
2
REF=2
3: -23 . 867 dB
-400 . 000 kHz
1
Cor
3
3
CH3 Markers
1: 1. 0305 dB
-900 . 000 kHz
REF=2
3: -32 . 815 dB
400 . 000 kHz
CENTER 143 . 900 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN
8. 000 000 MHz
Part No.
250211B
Rev. Date
2008-11-13
Rev.
NW8033-CS01
4/5
SAW Bandpass Filter 250211B
CH2 S21
CH4 S21
LOG
DEL
1 dB/
500 ns/
14 Oct 2008 20:22:56
1: 0. 0000 dB
0. 000 000 MHz
3:-13 . 580 ns
1. 600 000 MHz
REF -21.4 dB
REF 4 us
CH2 Markers
BW:
2. 023662 MHz
CH2 S21
CH4 S21
LOG
LOG
1 dB/
1 dB/
14 Oct 2008 20:23:11
1: 0. 0000 dB
0. 000 000 MHz
3:- . 09980 dB
1. 600 000 MHz
REF -21.4 dB
REF -21.4 dB
CH2 Markers
REF=1
BW:
cent : 143 . 862157 MHz
1. 861539 MHz
Q: 71. 090
Q: 77. 282
1_loss : -21 . 517 dB
1
REF=1
cent : 143 . 863200 MHz
1_loss : -21 . 513 dB
1
2
2
3
4
3
4
3
2
2
3
Cor
4
Cor
Smo
CH4 Markers
CH4 Markers
REF=2
mean: 3. 6343 us
Cor
CENTER 143 . 900 000 MHz
CH1 S21
LOG
10 dB/
s. dev : 42. 690 ns
s. dev : . 07080 dB
p-p : 216 . 06 ns
p-p : . 31350 dB
SPAN
2. 500 000 MHz
14 Oct 2008 20:27:46
1: 0. 0000 dB
0. 000 000 MHz
REF -21.4 dB
2
CENTER 143 . 900 000 MHz
CH1 S11
CH3 S22
MI143B A1
REF=2
mean:-21 . 515 dB
Cor
SWR
SWR
1 /
1 /
SPAN
2. 500 000 MHz
14 Oct 2008 20:23:39
1: 2. 2804
143 . 900 000 MHz
2: 5. 3533
143 . 900 000 MHz
REF 0
REF 0
MI143B A1
CH1 Markers
2:-41 . 117 dB
89. 9000 MHz
1
REF=1
Cor
3:-50 . 517 dB
121 . 300 MHz
Cor
2
1
2
3
START
. 010 000 MHz
STOP 500 . 000 000 MHz
CENTER 143 . 900 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364,
Samjeong-Dong, Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
SPAN
Part No.
250211B
Rev. Date
2008-11-13
Rev.
NW8033-CS01
8. 000 000 MHz
5/5
2
4