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SAW Bandpass Filter 202171B  
1. Features  
z
z
z
z
z
z
IF Bandpass Filter  
High Attenuation  
Single-Ended Operation  
DIP Package  
Maximum Storage Temperature Range : -40℃ ~ 85℃  
Electrostatics Sensitive Device (ESD)  
2. Package Dimension  
12.8±0.5  
5.5max 6.0max  
7.6±0.2  
Package : D3512  
Pin Configuration  
1
Input  
Output  
5
Dimensions shown are nominal in millimeters  
Base : Fe(SPCC), Au plating over Ni plated  
Cap : Cu & Cr Alloy, Ni Plated  
Termination : Kovar, Au Plated  
2, 4  
3, 6  
Ground  
Case ground  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
202171B  
Rev. Date  
2004-05-07  
1/5  
Rev.  
NI2014-CS03  
SAW Bandpass Filter 202171B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
23.5  
19.18  
19.52  
20.86  
0.7  
Maximum  
Center Frequency  
MHz  
dB  
-
-
Insertion Loss  
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
19.5  
-
21.1  
1.0  
150  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 9.375 MHz)  
Group Delay Variation (Fo +/- 9.375 MHz)  
Absolute Delay  
nsec  
usec  
-
40  
-
2.77  
52  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-72  
-
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.  
Part No.  
Rev. Date  
Rev.  
202171B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-07  
2/5  
NI2014-CS03  
SAW Bandpass Filter 202171B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = 150 nH,  
C1 = 20 pF,  
L2 = 120 nH  
C2 = 20 pF  
5. Marking Configuration  
ITF1) 04A0012)  
202171B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202171B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-05-07  
3/5  
NI2014-CS03  
SAW Bandpass Filter 202171B  
6. Typical Performance ( at +25℃ )  
6 May 2004 19:34:28  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -23.1 dB  
CH1 Markers  
BW: 20. 851755 MHz  
REF=1  
1
2
Cor  
cent  
:
69. 992448 MHz  
Q: 3. 3567  
1_loss : -23 . 108 dB  
3
4
CENTER 70. 000 000 MHz  
SPAN 52. 000 000 MHz  
6 May 2004 19:35:58  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.86 dB  
100 ns/ REF 2.75 us  
1: 0. 0000 dB  
3:-9 . 1891 ns  
0. 000 000 MHz  
19. 144 526 MHz  
CH1 Markers  
BW: 19. 525271 MHz  
REF=1  
Cor  
cent  
:
70. 000030 MHz  
Q: 3. 5851  
1_loss : -23 . 067 dB  
1
2
3
4
Smo  
Cor  
2
3
CH2 Markers  
mean: 2. 7726 us  
s. dev : 7. 5437 ns  
p-p : 39. 673 ns  
REF=2  
CENTER 70. 000 000 MHz  
SPAN 24. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202171B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-05-07  
4/5  
NI2014-CS03  
SAW Bandpass Filter 202171B  
6 May 2004 19:37:58  
1:-22 . 510 dB 70. 000 000 MHz  
6 May 2004 19:35:40  
CH1 S21  
LOG  
10 dB/ REF -22.54 dB  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -23.05 dB  
1 dB/ REF -23.34 dB  
1: 0. 0000 dB  
3: . 44320 dB  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 Markers  
BW: 19. 197231 MHz  
REF=1  
Cor  
cent  
:
70. 024465 MHz  
Q: 3. 6476  
1
1
2
1_loss  
:
-23 . 071 dB  
3
4
3
CH2 Markers  
2
REF=2  
Cor  
mean:-23 . 106 dB  
s. dev : . 09900 dB  
p-p : . 59790 dB  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 24. 000 000 MHz  
6 May 2004 19:37:16  
6 May 2004 19:37:23  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 4.218  
REF 5.881  
1: 4. 2200  
2: 5. 8816  
70. 000 000 MHz  
70. 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 11. 972  
2: 8. 8628  
5. 0356  
-10 . 016  
11. 449 nH  
227 . 01 pF  
70. 000 000 MHz  
70. 000 000 MHz  
Cor  
Cor  
1
1
2
Cor  
2
Cor  
CENTER 70. 000 000 MHz  
SPAN 52. 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 52. 000 000 MHz  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Part No.  
Rev. Date  
Rev.  
202171B  
2004-05-07  
5/5  
NI2014-CS03