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SAW Bandpass Filter 203646B  
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.  
203646B  
Rev. Date  
2004-06-21  
1/5  
Rev.  
NI2050-CS02  
SAW Bandpass Filter 203646B  
3. Specifications  
Fo = 180.5 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
180.5  
26.0  
9.25  
9.5  
Maximum  
Center Frequency  
MHz  
dB  
180.4  
180.6  
Insertion Loss  
-
-
27.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
9.4  
-
-
10.5  
1.1  
150  
-
40dB Bandwidth  
10.48  
0.8  
Amplitude Ripple (Fo +/- 4.375 MHz)  
-
Group Delay Variation (Fo +/- 4.375 MHz)  
Absolute Delay  
nsec  
usec  
-
100  
-
3.42  
52  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-23  
-
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.  
203646B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-21  
2/5  
NI2050-CS02  
SAW Bandpass Filter 203646B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
C2  
L1 = 27 nH,  
L2 = 18 nH  
C1 = C2 = 27 pF  
5. Marking Configuration  
ITF1) 04A0012)  
203646B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
203646B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-21  
3/5  
NI2050-CS02  
SAW Bandpass Filter 203646B  
6. Typical Performance ( at +25℃ )  
18 Jun 2004 19:17:18  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -25.53 dB  
CH1 Markers  
BW: 10. 471947 MHz  
REF=1  
cent  
1
2
Cor  
:
180 . 503508 MHz  
Q: 17. 237  
1_loss : -25 . 594 dB  
3
4
CENTER 180 . 500 000 MHz  
SPAN 27. 000 000 MHz  
18 Jun 2004 19:20:04  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -25.53 dB  
200 ns/ REF 3.366 us  
1: 0. 0000 dB  
3:-47 . 492 ns  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 Markers  
BW: 9. 511611 MHz  
REF=1  
cent  
Cor  
:
180 . 509604 MHz  
Q: 18. 978  
1_loss : -25 . 744 dB  
1
2
3
Smo  
Cor  
2
CH2 Markers  
mean: 3. 4173 us  
s. dev : 15. 557 ns  
p-p : 94. 604 ns  
REF=2  
4
3
CENTER 180 . 500 000 MHz  
SPAN 11. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
203646B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-21  
4/5  
NI2050-CS02  
SAW Bandpass Filter 203646B  
18 Jun 2004 19:22:37  
1:-26 . 031 dB 180 . 500 000 MHz  
18 Jun 2004 19:18:47  
CH1 S21  
LOG  
10 dB/ REF -25.52 dB  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -25.34 dB  
1 dB/ REF -25.96 dB  
1: 0. 0000 dB  
3: . 15060 dB  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 Markers  
BW: 9. 280478 MHz  
REF=1  
cent  
Cor  
:
180 . 544720 MHz  
Q: 19. 454  
1
1_loss  
: -25 . 600 dB  
1
2
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-25 . 639 dB  
s. dev : . 16100 dB  
p-p : . 77680 dB  
CENTER 180 . 500 000 MHz  
SPAN 11. 000 000 MHz  
START . 010 000 MHz  
STOP 600 . 000 000 MHz  
18 Jun 2004 19:21:51  
18 Jun 2004 19:21:43  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 69. 195  
2: 13. 639  
39. 043  
19. 129  
34. 426 nH  
16. 867 nH  
180 . 500 000 MHz  
180 . 500 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
1
1
/
/
REF 2.063  
REF 4.234  
1: 2. 0626  
2: 4. 2390  
180 . 500 000 MHz  
180 . 500 000 MHz  
Cor  
Cor  
2
1
1
Cor  
Cor  
2
CENTER 180 . 500 000 MHz  
SPAN 27. 000 000 MHz  
CENTER 180 . 500 000 MHz  
SPAN 27. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203646B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-21  
5/5  
NI2050-CS02