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SAW Bandpass Filter 203221B  
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 : D2712  
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.  
203221B  
Rev. Date  
2004-05-07  
1/5  
Rev.  
NI2015-CS03  
SAW Bandpass Filter 203221B  
3. Specifications  
Fo = 65.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
65.0  
23.0  
19.15  
19.5  
21.05  
0.7  
Maximum  
Center Frequency  
MHz  
dB  
-
-
Insertion Loss  
-
23.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
19.4  
-
21.2  
1.0  
100  
-
40dB Bandwidth  
-
-
Amplitude Ripple (Fo +/- 9.375 MHz)  
Group Delay Variation (Fo +/- 9.375 MHz)  
Absolute Delay  
Nsec  
Usec  
-
35  
-
2.39  
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.  
203221B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-07  
2/5  
NI2015-CS03  
SAW Bandpass Filter 203221B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
C1  
L1 = 120 nH,  
C1 = 4 pF  
L2 = 150 nH  
5. Marking Configuration  
ITF1) 04A0012)  
203221B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
203221B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-07  
3/5  
NI2015-CS03  
SAW Bandpass Filter 203221B  
6. Typical Performance ( at +25℃ )  
6 May 2004 15:13:38  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.9 dB  
CH1 Markers  
BW: 21. 045629 MHz  
REF=1  
1
2
Cor  
cent  
:
64. 979181 MHz  
Q: 3. 0875  
1_loss : -22 . 999 dB  
3
4
CENTER 65. 000 000 MHz  
SPAN 53. 000 000 MHz  
6 May 2004 15:15:15  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.66 dB  
100 ns/ REF 2.374 us  
1: 0. 0000 dB  
3:-921 . 77 ps  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 Markers  
BW: 19. 522333 MHz  
REF=1  
Cor  
cent  
:
65. 000275 MHz  
Q: 3. 3295  
1_loss : -22 . 929 dB  
1
2
3
Smo  
Cor  
2
3
CH2 Markers  
mean: 2. 3946 us  
s. dev : 5. 4186 ns  
p-p : 31. 408 ns  
REF=2  
4
CENTER 65. 000 000 MHz  
SPAN 24. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
203221B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-05-07  
4/5  
NI2015-CS03  
SAW Bandpass Filter 203221B  
6 May 2004 15:14:36  
6 May 2004 15:16:46  
1:-22 . 189 dB 65. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -22.66 dB  
1 dB/ REF -23.13 dB  
1: 0. 0000 dB  
3: . 27490 dB  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.17 dB  
CH1 Markers  
BW: 19. 161785 MHz  
REF=1  
Cor  
cent  
:
65. 011164 MHz  
Q: 3. 3928  
1
1_loss  
:
-22 . 970 dB  
1
2
3
4
3
CH2 Markers  
2
REF=2  
Cor  
mean:-22 . 872 dB  
s. dev : . 11590 dB  
p-p : . 61410 dB  
CENTER 65. 000 000 MHz  
SPAN 24. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
6 May 2004 15:16:17  
6 May 2004 15:16:23  
CH1 S11  
CH2 S22  
SWR  
SWR  
10  
10  
/
/
REF 6.749  
REF 4.215  
1: 6. 7527  
2: 4. 2129  
65. 000 000 MHz  
65. 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 10. 824  
2: 13. 784  
-33 . 350  
-19 . 478  
73. 420 pF  
125 . 71 pF  
65. 000 000 MHz  
65. 000 000 MHz  
Cor  
Cor  
1
Cor  
2
Cor  
2
1
CENTER 65. 000 000 MHz  
SPAN 53. 000 000 MHz  
CENTER 65. 000 000 MHz  
SPAN 53. 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.  
203221B  
2004-05-07  
5/5  
NI2015-CS03