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SAW Bandpass Filter 202142B  
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 : D2012  
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.  
202142B  
Rev. Date  
2004-04-21  
1/5  
Rev.  
NI1012-CS03  
SAW Bandpass Filter 202142B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
23.0  
9.46  
9.8  
Maximum  
Center Frequency  
MHz  
dB  
69.94  
70.06  
Insertion Loss  
-
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
-
3dB Bandwidth  
9.7  
-
40dB Bandwidth  
11.2  
0.7  
11.5  
1.0  
150  
-
Amplitude Ripple (Fo +/- 4.41 MHz)  
-
Group Delay Variation (Fo +/- 4.41 MHz)  
Absolute Delay  
nsec  
usec  
-
60  
-
2.7  
Ultimate Rejection  
dB  
50  
-
52  
-
Temperature Coefficient of Frequency  
ppm/°C  
-88  
-
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.  
202142B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-04-21  
2/5  
NI1012-CS03  
SAW Bandpass Filter 202142B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
Input  
50Ω  
Output  
50Ω  
L1  
L1 = 180 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202142B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202142B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-21  
3/5  
NI1012-CS03  
SAW Bandpass Filter 202142B  
6. Typical Performance ( at +25℃ )  
20 Apr 2004 18:45:18  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.21 dB  
CH1 Markers  
BW: 11. 148298 MHz  
REF=1  
1
2
Cor  
cent  
:
69. 962699 MHz  
Q: 6. 2756  
1_loss : -22 . 201 dB  
3
4
CENTER 70. 000 000 MHz  
SPAN 28. 000 000 MHz  
20 Apr 2004 18:46:32  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.1 dB  
100 ns/ REF 2.677 us  
1: 0. 0000 dB  
3:-20 . 091 ns  
0. 000 000 MHz  
8. 820 000 MHz  
CH1 Markers  
BW: 9. 803049 MHz  
REF=1  
Cor  
cent  
:
70. 003771 MHz  
Q: 7. 1410  
1_loss : -22 . 206 dB  
1
2
3
Smo  
Cor  
2
CH2 Markers  
mean: 2. 6985 us  
s. dev : 8. 5001 ns  
p-p : 46. 921 ns  
3
4
REF=2  
CENTER 70. 000 000 MHz  
SPAN 12. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202142B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-04-21  
4/5  
NI1012-CS03  
SAW Bandpass Filter 202142B  
20 Apr 2004 18:46:16  
20 Apr 2004 18:48:45  
1:-21 . 915 dB 70. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -22.1 dB  
1 dB/ REF -22.23 dB  
1: 0. 0000 dB  
3:- . 01180 dB  
0. 000 000 MHz  
8. 820 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -21.93 dB  
CH1 Markers  
BW: 9. 466764 MHz  
REF=1  
Cor  
cent  
:
69. 980834 MHz  
Q: 7. 3923  
1
1_loss  
:
-22 . 228 dB  
1
2
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-22 . 214 dB  
s. dev : . 10840 dB  
p-p : . 49190 dB  
CENTER 70. 000 000 MHz  
SPAN 12. 000 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
20 Apr 2004 18:54:28  
20 Apr 2004 18:47:58  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 297 . 92  
2: 14. 045  
-63 . 516  
-63 . 326  
35. 797 pF  
35. 904 pF  
70. 000 000 MHz  
70. 000 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 6.415  
REF 9.566  
1: 6. 4004  
2: 9. 5684  
70. 000 000 MHz  
70. 000 000 MHz  
Cor  
Cor  
1
1
Cor  
Cor  
2
2
CENTER 70. 000 000 MHz  
SPAN 28. 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 28. 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.  
202142B  
2004-04-21  
5/5  
NI1012-CS03