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SAW Bandpass Filter 202168B  
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.  
202168B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
2004-04-28  
1/5  
Rev.  
NI1018- CS03  
SAW Bandpass Filter 202168B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
23.5  
9.3  
Maximum  
Center Frequency  
MHz  
dB  
69.95  
70.05  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
9.5  
-
9.55  
10.43  
0.8  
-
10.5  
1.0  
150  
-
40dB Bandwidth  
Amplitude Ripple (Fo +/- 4.375 MHz)  
-
Group Delay Variation (Fo +/- 4.375 MHz)  
Absolute Delay  
nsec  
usec  
-
70  
-
3.67  
53  
Ultimate Rejection  
dB  
50  
-
-
Temperature Coefficient of Frequency  
ppm/°C  
-94  
-
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.  
202168B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-28  
2/5  
NI1018- CS03  
SAW Bandpass Filter 202168B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L1 = 100 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202168B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202168B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-28  
3/5  
NI1018- CS03  
SAW Bandpass Filter 202168B  
6. Typical Performance ( at +25℃ )  
27 Apr 2004 15:42:46  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -23.27 dB  
CH1 Markers  
BW: 10. 428292 MHz  
REF=1  
1
2
Cor  
cent  
:
69. 999610 MHz  
Q: 6. 7125  
1_loss : -23 . 286 dB  
3
4
CENTER 70. 000 000 MHz  
SPAN 26. 000 000 MHz  
27 Apr 2004 15:44:15  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -23.11 dB  
200 ns/ REF 3.659 us  
1: 0. 0000 dB  
3:-7 . 8057 ns  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 Markers  
BW: 9. 556055 MHz  
REF=1  
Cor  
cent  
:
69. 989737 MHz  
Q: 7. 3241  
1_loss : -23 . 274 dB  
1
2
3
Smo  
Cor  
2
CH2 Markers  
mean: 3. 6781 us  
s. dev : 11. 429 ns  
p-p : 63. 532 ns  
3
4
REF=2  
CENTER 70. 000 000 MHz  
SPAN 11. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202168B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-28  
4/5  
NI1018- CS03  
SAW Bandpass Filter 202168B  
27 Apr 2004 15:43:34  
27 Apr 2004 15:46:15  
1:-22 . 720 dB 70. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -23.11 dB  
1 dB/ REF -23.27 dB  
1: 0. 0000 dB  
3:- . 26720 dB  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.72 dB  
CH1 Markers  
BW: 9. 334524 MHz  
REF=1  
Cor  
cent  
:
69. 983658 MHz  
Q: 7. 4973  
1
1_loss  
: -23 . 268 dB  
1
2
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-23 . 301 dB  
s. dev : . 14580 dB  
p-p : . 72390 dB  
CENTER 70. 000 000 MHz  
SPAN 11. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
27 Apr 2004 15:45:29  
27 Apr 2004 15:45:22  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 9. 4824  
2: 167 . 13  
-46 . 756  
84. 609  
48. 628 pF  
192 . 37 nH  
70. 000 000 MHz  
70. 000 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 9.977  
REF 4.264  
1: 9. 9883  
2: 4. 2695  
70. 000 000 MHz  
70. 000 000 MHz  
Cor  
Cor  
1
2
Cor  
Cor  
2
1
CENTER 70. 000 000 MHz  
SPAN 26. 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 26. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202168B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-28  
5/5  
NI1018- CS03