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SAW Bandpass Filter 202550B  
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.  
202550B  
Rev. Date  
2004-06-22  
1/5  
Rev.  
NI2049-CS03  
SAW Bandpass Filter 202550B  
3. Specifications  
Fo = 160.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
160.0  
25.0  
9.35  
9.55  
10.48  
0.8  
Maximum  
Center Frequency  
MHz  
dB  
159.9  
160.1  
Insertion Loss  
-
-
26.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
9.5  
-
-
10.5  
1.0  
200  
-
40dB Bandwidth  
Amplitude Ripple (Fo +/- 4.5 MHz)  
-
Group Delay Variation (Fo +/- 4.5 MHz)  
Absolute Delay  
nsec  
usec  
-
100  
-
4.0  
Ultimate Rejection  
dB  
45  
-
48  
-
Temperature Coefficient of Frequency  
ppm/°C  
-21  
-
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.  
202550B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
2/5  
NI2049-CS03  
SAW Bandpass Filter 202550B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = L2 = 27 nH  
C1 = C2 = 39 pF  
5. Marking Configuration  
ITF1) 04A0012)  
202550B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202550B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
3/5  
NI2049-CS03  
SAW Bandpass Filter 202550B  
6. Typical Performance ( at +25℃ )  
22 Jun 2004 10:09:56  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -25.26 dB  
CH1 Markers  
BW: 10. 467103 MHz  
REF=1  
cent  
1
2
Cor  
:
159 . 975614 MHz  
Q: 15. 284  
1_loss : -25 . 275 dB  
3
4
CENTER 160 . 000 000 MHz  
SPAN 27. 000 000 MHz  
22 Jun 2004 10:15:48  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -24.88 dB  
200 ns/ REF 3.969 us  
1: 0. 0000 dB  
3:-45 . 877 ns  
0. 000 000 MHz  
9. 000 000 MHz  
CH1 Markers  
BW: 9. 594172 MHz  
REF=1  
cent  
Cor  
:
160 . 009646 MHz  
Q: 16. 678  
1_loss : -25 . 142 dB  
1
2
3
2
Smo  
Cor  
CH2 Markers  
mean: 4. 0094 us  
s. dev : 15. 932 ns  
p-p : 83. 923 ns  
REF=2  
4
3
CENTER 160 . 000 000 MHz  
SPAN 11. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202550B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-22  
4/5  
NI2049-CS03  
SAW Bandpass Filter 202550B  
22 Jun 2004 10:15:34  
22 Jun 2004 10:18:00  
1:-25 . 529 dB 160 . 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -24.88 dB  
1 dB/ REF -25.54 dB  
1: 0. 0000 dB  
3: . 15270 dB  
0. 000 000 MHz  
9. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -25.17 dB  
CH1 Markers  
BW: 9. 384924 MHz  
REF=1  
cent  
Cor  
:
160 . 017019 MHz  
Q: 17. 050  
1
1_loss  
: -25 . 130 dB  
1
2
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-25 . 187 dB  
s. dev : . 17220 dB  
p-p : . 77350 dB  
CENTER 160 . 000 000 MHz  
SPAN 11. 000 000 MHz  
START . 010 000 MHz  
STOP 500 . 000 000 MHz  
22 Jun 2004 10:17:09  
22 Jun 2004 10:17:17  
CH1 S11  
CH2 S22  
SWR  
SWR  
1
1
/
/
REF 1.729  
REF 2.185  
1: 1. 7297  
2: 2. 1868  
160 . 000 000 MHz  
160 . 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 32. 850  
2: 26. 041  
14. 563  
16. 220  
14. 486 nH  
16. 134 nH  
160 . 000 000 MHz  
160 . 000 000 MHz  
Cor  
Cor  
2
1
1
Cor  
2
Cor  
CENTER 160 . 000 000 MHz  
SPAN 27. 000 000 MHz  
CENTER 160 . 000 000 MHz  
SPAN 27. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202550B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
5/5  
NI2049-CS03