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SAW Bandpass Filter 203321B  
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  
25.5±0.5  
5.5max 6.0max  
20.3±0.2  
Package : D3825  
Pin Configuration  
1
6
Input  
Output  
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, 5  
Other  
Ground  
Case ground  
I T F Co., Ltd.  
Part No.  
203321B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
2004-06-23  
1/5  
Rev.  
NI2006-CS02  
SAW Bandpass Filter 203321B  
3. Specifications  
Fo = 75.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
75.0  
25.0  
19.3  
19.6  
20.8  
0.65  
40  
Maximum  
Center Frequency  
MHz  
dB  
-
-
Insertion Loss  
-
26.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
19.4  
-
21.0  
1.0  
120  
-
50dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 9.375 MHz)  
Group Delay Variation (Fo +/- 9.375 MHz)  
Absolute Delay  
nsec  
usec  
-
-
2.46  
50  
Ultimate Rejection  
dB  
48  
-
-
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.  
203321B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-23  
2/5  
NI2006-CS02  
SAW Bandpass Filter 203321B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
L1 = L2 = 47 nH  
5. Marking Configuration  
ITF1) 04A0012)  
203321B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
203321B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-23  
3/5  
NI2006-CS02  
SAW Bandpass Filter 203321B  
6. Typical Performance ( at +25℃ )  
22 Jun 2004 15:55:58  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -25.07 dB  
CH1 Markers  
BW: 20. 796572 MHz  
REF=1  
1
2
Cor  
cent  
:
74. 982835 MHz  
Q: 3. 6055  
1_loss : -25 . 053 dB  
3
4
CENTER 75. 000 000 MHz  
SPAN 52. 000 000 MHz  
22 Jun 2004 15:57:17  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -24.69 dB  
100 ns/ REF 2.456 us  
1: 0. 0000 dB  
3: 3. 3060 ns  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 Markers  
BW: 19. 616858 MHz  
REF=1  
Cor  
cent  
:
75. 008176 MHz  
Q: 3. 8237  
1_loss : -25 . 048 dB  
1
2
3
Smo  
Cor  
CH2 Markers  
mean: 2. 4657 us  
s. dev : 5. 2591 ns  
p-p : 25. 177 ns  
2
3
REF=2  
4
CENTER 75. 000 000 MHz  
SPAN 24. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
203321B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-23  
4/5  
NI2006-CS02  
SAW Bandpass Filter 203321B  
22 Jun 2004 15:59:13  
1:-24 . 235 dB 75. 000 000 MHz  
22 Jun 2004 15:57:05  
CH1 S21  
LOG  
10 dB/ REF -24.19 dB  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -24.69 dB  
1 dB/ REF -25.18 dB  
1: 0. 0000 dB  
3: . 55950 dB  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 Markers  
BW: 19. 327846 MHz  
REF=1  
Cor  
cent  
:
75. 023566 MHz  
Q: 3. 8816  
1
1_loss  
:
-25 . 043 dB  
1
2
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-24 . 974 dB  
s. dev : . 10730 dB  
p-p : . 64800 dB  
CENTER 75. 000 000 MHz  
SPAN 24. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
22 Jun 2004 15:58:35  
22 Jun 2004 15:58:28  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 9. 8496  
2: 10. 650  
-44 . 146  
-49 . 668  
48. 069 pF  
42. 725 pF  
75. 000 000 MHz  
75. 000 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
10  
10  
/
/
REF 9.146  
REF 9.39  
1: 9. 1177  
2: 9. 3965  
75. 000 000 MHz  
75. 000 000 MHz  
Cor  
Cor  
1
Cor  
2
Cor  
1
2
CENTER 75. 000 000 MHz  
SPAN 52. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 52. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203321B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-23  
5/5  
NI2006-CS02