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SAW Bandpass Filter 202148B  
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.  
202148B  
Rev. Date  
2004-06-22  
1/5  
Rev.  
NI2040-CS02  
SAW Bandpass Filter 202148B  
3. Specifications  
Fo = 70.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
70.0  
25.0  
5.1  
Maximum  
Center Frequency  
MHz  
dB  
69.94  
70.06  
26.0  
-
Insertion Loss  
-
-
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
3dB Bandwidth  
5.3  
-
5.5  
-
40dB Bandwidth  
6.7  
6.8  
1.0  
150  
4.3  
-
Amplitude Ripple (Fo +/- 2.42 MHz)  
-
0.7  
Group Delay Variation (Fo +/- 2.42 MHz)  
Absolute Delay  
nsec  
usec  
-
80  
-
4.2  
Ultimate Rejection  
dB  
50  
-
52  
Temperature Coefficient of Frequency  
ppm/°C  
-23  
-
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.  
202148B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
2/5  
NI2040-CS02  
SAW Bandpass Filter 202148B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L2  
L3  
Input  
50Ω  
Output  
50Ω  
L1  
L4  
L1 = L2 = L3 = 68 nH  
L4 = 82 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202148B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202148B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
3/5  
NI2040-CS02  
SAW Bandpass Filter 202148B  
6. Typical Performance ( at +25℃ )  
21 Jun 2004 14:50:08  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -24.57 dB  
CH1 Markers  
BW: 6. 616864 MHz  
REF=1  
1
2
Cor  
cent  
:
69. 986289 MHz  
Q: 10. 577  
1_loss : -24 . 387 dB  
3
4
CENTER 70. 000 000 MHz  
SPAN 17. 000 000 MHz  
21 Jun 2004 14:58:07  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -24.32 dB  
200 ns/ REF 4.152 us  
1: 0. 0000 dB  
3: 13. 797 ns  
0. 000 000 MHz  
4. 840 000 MHz  
CH1 Markers  
BW: 5. 600744 MHz  
REF=1  
Cor  
cent  
:
70. 002221 MHz  
Q: 12. 499  
1
1_loss : -24 . 348 dB  
2
3
Smo  
Cor  
2
CH2 Markers  
mean: 4. 1942 us  
s. dev : 14. 592 ns  
p-p : 67. 608 ns  
3
4
REF=2  
CENTER 70. 000 000 MHz  
SPAN 6. 500 000 MHz  
I T F Co., Ltd.  
Part No.  
202148B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
2004-06-22  
4/5  
Rev.  
NI2040-CS02  
SAW Bandpass Filter 202148B  
21 Jun 2004 14:57:53  
21 Jun 2004 15:00:07  
1:-24 . 349 dB 70. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -24.32 dB  
1 dB/ REF -24.74 dB  
1: 0. 0000 dB  
3: . 20590 dB  
0. 000 000 MHz  
4. 840 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -24.19 dB  
CH1 Markers  
BW: 5. 290730 MHz  
REF=1  
Cor  
cent  
:
70. 000595 MHz  
Q: 13. 231  
1
1
2
1_loss  
: -24 . 349 dB  
3
4
3
CH2 Markers  
2
REF=2  
Cor  
mean:-24 . 503 dB  
s. dev : . 10280 dB  
p-p : . 44390 dB  
CENTER 70. 000 000 MHz  
SPAN 6. 500 000 MHz  
START . 010 000 MHz  
STOP 300 . 000 000 MHz  
21 Jun 2004 14:59:31  
21 Jun 2004 14:59:36  
CH1 S11  
CH2 S22  
SWR  
SWR  
1
1
/
/
REF 1.868  
REF 2.129  
1: 1. 8694  
2: 2. 1287  
70. 000 000 MHz  
70. 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 93. 090  
2: 33. 332  
4. 7500  
-26 . 836  
10. 800 nH  
84. 724 pF  
70. 000 000 MHz  
70. 000 000 MHz  
Cor  
Cor  
1
1
2
Cor  
2
Cor  
CENTER 70. 000 000 MHz  
SPAN 17. 000 000 MHz  
CENTER 70. 000 000 MHz  
SPAN 17. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202148B  
2004-06-22  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
5/5  
NI2040-CS02