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SAW Bandpass Filter 202549B  
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  
12.7±0.5  
5.5max 6.0max  
7.6±0.2  
Package : D2012  
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.  
202549B  
Rev. Date  
2004-06-18  
1/5  
Rev.  
NI2053-CS02  
SAW Bandpass Filter 202549B  
3. Specifications  
Fo = 160.1 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
160.1  
24.5  
19.45  
21.15  
0.8  
Maximum  
Center Frequency  
MHz  
dB  
160.0  
160.2  
Insertion Loss  
-
25.5  
3dB Bandwidth  
MHz  
MHz  
dB  
19.0  
-
21.3  
1.0  
100  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 9.375 MHz)  
Group Delay Variation (Fo +/- 9.375 MHz)  
Absolute Delay  
nsec  
usec  
-
50  
-
1.78  
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.  
202549B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-18  
2/5  
NI2053-CS02  
SAW Bandpass Filter 202549B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = 18 nH,  
L2 = 15 nH  
C1 = C2 = 24 pF  
5. Marking Configuration  
ITF1) 04A0012)  
202549B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202549B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-18  
3/5  
NI2053-CS02  
SAW Bandpass Filter 202549B  
6. Typical Performance ( at +25℃ )  
17 Jun 2004 15:45:40  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -24.81 dB  
CH1 Markers  
BW: 21. 090950 MHz  
REF=1  
cent  
1
2
Cor  
:
160 . 037726 MHz  
Q: 7. 5880  
1_loss : -24 . 785 dB  
3
4
CENTER 160 . 100 000 MHz  
SPAN 53. 000 000 MHz  
17 Jun 2004 15:50:32  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -24.69 dB  
100 ns/ REF 1.758 us  
1: 0. 0000 dB  
3:-22 . 756 ns  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 Markers  
BW: 19. 472205 MHz  
REF=1  
cent  
Cor  
:
160 . 100666 MHz  
Q: 8. 2220  
1
2
1_loss : -24 . 767 dB  
3
Smo  
Cor  
2
CH2 Markers  
mean: 1. 7774 us  
s. dev : 6. 4799 ns  
p-p : 38. 943 ns  
3
4
REF=2  
CENTER 160 . 100 000 MHz  
SPAN 23. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202549B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-18  
4/5  
NI2053-CS02  
SAW Bandpass Filter 202549B  
17 Jun 2004 15:50:19  
17 Jun 2004 15:52:49  
1:-24 . 534 dB 160 . 100 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -24.69 dB  
1 dB/ REF -25.19 dB  
1: 0. 0000 dB  
3:- . 08860 dB  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -24.46 dB  
CH1 Markers  
BW: 19. 086385 MHz  
REF=1  
cent  
Cor  
:
160 . 096164 MHz  
Q: 8. 3880  
1
1
2
1_loss  
: -24 . 767 dB  
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-24 . 889 dB  
s. dev : . 13440 dB  
p-p : . 61920 dB  
CENTER 160 . 100 000 MHz  
SPAN 23. 000 000 MHz  
START . 010 000 MHz  
STOP 500 . 000 000 MHz  
17 Jun 2004 15:52:02  
17 Jun 2004 15:51:53  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 6. 2156  
2: 6. 2039  
-3 . 7351  
-6 . 8198  
266 . 15 pF  
145 . 77 pF  
160 . 100 000 MHz  
160 . 100 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 8.085  
REF 8.226  
1: 8. 0884  
2: 8. 1987  
160 . 100 000 MHz  
160 . 100 000 MHz  
Cor  
Cor  
1
1
2
Cor  
Cor  
2
CENTER 160 . 100 000 MHz  
SPAN 53. 000 000 MHz  
CENTER 160 . 100 000 MHz  
SPAN 53. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202549B  
2004-06-18  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
5/5  
NI2053-CS02