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SAW Bandpass Filter 203218B  
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.  
203218B  
Rev. Date  
2004-05-06  
1/5  
Rev.  
NI2011-CS03  
SAW Bandpass Filter 203218B  
3. Specifications  
Fo = 65.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
65.0  
25.5  
19.45  
19.65  
20.7  
0.6  
Maximum  
Center Frequency  
MHz  
dB  
-
-
Insertion Loss  
-
26.5  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
19.6  
-
40dB Bandwidth  
-
-
20.85  
Amplitude Ripple (Fo +/- 9.375 MHz)  
1.0  
Group Delay Variation (Fo +/- 9.375 MHz)  
Absolute Delay  
nsec  
usec  
-
40  
120  
-
3.15  
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.  
203218B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-05-06  
2/5  
NI2011-CS03  
SAW Bandpass Filter 203218B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L2  
Input  
50Ω  
Output  
50Ω  
L1 = 100 nH,  
L2 = 92 nH  
5. Marking Configuration  
ITF1) 04A0012)  
203218B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
203218B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-05-06  
3/5  
NI2011-CS03  
SAW Bandpass Filter 203218B  
6. Typical Performance ( at +25℃ )  
3 May 2004 20:24:11  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -25.39 dB  
CH1 Markers  
BW: 20. 683005 MHz  
REF=1  
1
2
Cor  
cent  
:
64. 980403 MHz  
Q: 3. 1417  
1_loss : -25 . 543 dB  
3
4
CENTER 65. 000 000 MHz  
SPAN 52. 000 000 MHz  
3 May 2004 20:25:57  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -25.13 dB  
100 ns/ REF 3.137 us  
1: 0. 0000 dB  
3:-1 . 4302 ns  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 Markers  
BW: 19. 687272 MHz  
REF=1  
Cor  
cent  
:
65. 000291 MHz  
Q: 3. 3016  
1_loss : -25 . 477 dB  
1
2
3
Smo  
Cor  
2
3
CH2 Markers  
mean: 3. 1544 us  
s. dev : 6. 5000 ns  
p-p : 32. 043 ns  
REF=2  
4
CENTER 65. 000 000 MHz  
SPAN 24. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
203218B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-05-06  
4/5  
NI2011-CS03  
SAW Bandpass Filter 203218B  
3 May 2004 20:25:08  
3 May 2004 20:27:45  
1:-24 . 608 dB 65. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -25.19 dB  
1 dB/ REF -25.5 dB  
1: 0. 0000 dB  
3: . 31650 dB  
0. 000 000 MHz  
18. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -24.69 dB  
CH1 Markers  
BW: 19. 450909 MHz  
REF=1  
Cor  
cent  
:
64. 999548 MHz  
Q: 3. 3417  
1
1_loss  
: -25 . 485 dB  
1
2
3
4
3
CH2 Markers  
2
REF=2  
Cor  
mean:-25 . 341 dB  
s. dev : . 12690 dB  
p-p : . 65360 dB  
CENTER 65. 000 000 MHz  
SPAN 24. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
3 May 2004 20:27:15  
3 May 2004 20:27:23  
CH1 S11  
CH2 S22  
SWR  
SWR  
10  
10  
/
/
REF 6.133  
REF 7.112  
1: 6. 1377  
2: 7. 1323  
65. 000 000 MHz  
65. 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 10. 492  
2: 11. 639  
-26 . 346  
-39 . 945  
92. 939 pF  
61. 297 pF  
65. 000 000 MHz  
65. 000 000 MHz  
Cor  
Cor  
1
Cor  
2
Cor  
1
2
CENTER 65. 000 000 MHz  
SPAN 52. 000 000 MHz  
CENTER 65. 000 000 MHz  
SPAN 52. 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.  
203218B  
2004-05-06  
5/5  
NI2011-CS03