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SAW Bandpass Filter 202548B  
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.  
202548B  
Rev. Date  
2004-06-22  
1/5  
Rev.  
NI2042-CS02  
SAW Bandpass Filter 202548B  
3. Specifications  
Fo = 160.0 MHz  
Terminating source impedance : 50Ω and matching network  
Terminating load impedance  
: 50Ω and matching network  
Minimum  
Typical  
160.0  
23.0  
9.15  
9.45  
10.8  
0.8  
Maximum  
Center Frequency  
MHz  
dB  
159.9  
160.1  
Insertion Loss  
-
9.0  
9.4  
-
25.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
-
3dB Bandwidth  
-
40dB Bandwidth  
10.95  
Amplitude Ripple (Fo +/- 4.375 MHz)  
-
1.0  
Group Delay Variation (Fo +/- 4.375 MHz)  
Absolute Delay  
nsec  
usec  
-
80  
150  
-
2.91  
55  
-
-
-
Ultimate Rejection  
dB  
50  
-
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.  
202548B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
2004-06-22  
2/5  
NI2042-CS02  
SAW Bandpass Filter 202548B  
4. Matching Schematic  
( Actual matching values may vary due to PCB layout and parasitics )  
L1  
L4  
Input  
50Ω  
Output  
50Ω  
L2  
L3  
L1 = L4 = 15 nH,  
L2 = 22 nH, L3 = 27 nH  
5. Marking Configuration  
ITF1) 04A0012)  
202548B3)  
1) Manufacturer name  
2) Lot Number  
3) Part Number  
I T F Co., Ltd.  
Part No.  
202548B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-22  
3/5  
NI2042-CS02  
SAW Bandpass Filter 202548B  
6. Typical Performance ( at +25℃ )  
21 Jun 2004 15:57:01  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.36 dB  
CH1 Markers  
BW: 10. 767505 MHz  
REF=1  
cent  
1
2
Cor  
:
159 . 967932 MHz  
Q: 14. 857  
1_loss : -22 . 472 dB  
3
4
CENTER 160 . 000 000 MHz  
SPAN 27. 000 000 MHz  
21 Jun 2004 16:00:26  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.39 dB  
200 ns/ REF 2.879 us  
1: 0. 0000 dB  
3:-4 . 3506 ns  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 Markers  
BW: 9. 463827 MHz  
REF=1  
cent  
Cor  
:
159 . 991287 MHz  
Q: 16. 906  
1
1_loss : -22 . 372 dB  
2
3
Smo  
Cor  
2
CH2 Markers  
mean: 2. 9098 us  
s. dev : 13. 269 ns  
p-p : 68. 942 ns  
3
4
REF=2  
CENTER 160 . 000 000 MHz  
SPAN 11. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
202548B  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
Rev. Date  
Rev.  
2004-06-22  
4/5  
NI2042-CS02  
SAW Bandpass Filter 202548B  
21 Jun 2004 15:59:19  
21 Jun 2004 16:02:52  
1:-22 . 259 dB 160 . 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -22.39 dB  
1 dB/ REF -22.97 dB  
1: 0. 0000 dB  
3: . 27030 dB  
0. 000 000 MHz  
8. 750 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -22.4 dB  
CH1 Markers  
BW: 9. 131429 MHz  
REF=1  
cent  
Cor  
:
160 . 007741 MHz  
Q: 17. 523  
1
1_loss  
: -22 . 545 dB  
1
2
3
4
3
2
CH2 Markers  
REF=2  
Cor  
mean:-22 . 777 dB  
s. dev : . 13260 dB  
p-p : . 67400 dB  
CENTER 160 . 000 000 MHz  
SPAN 11. 000 000 MHz  
START . 010 000 MHz  
STOP 500 . 000 000 MHz  
21 Jun 2004 16:01:59  
21 Jun 2004 16:02:06  
CH1 S11  
CH2 S22  
SWR  
SWR  
500 m /  
500 m /  
REF 1.633  
REF 1.281  
1: 1. 6334  
2: 1. 2813  
160 . 000 000 MHz  
160 . 000 000 MHz  
CH1 S11  
CH2 S22  
1 U FS  
1 U FS  
1: 77. 195  
2: 54. 797  
14. 430  
-12 . 094  
14. 353 nH  
82. 251 pF  
160 . 000 000 MHz  
160 . 000 000 MHz  
Cor  
Cor  
1
1
2
Cor  
2
Cor  
CENTER 160 . 000 000 MHz  
SPAN 27. 000 000 MHz  
CENTER 160 . 000 000 MHz  
SPAN 27. 000 000 MHz  
I T F Co., Ltd.  
Part No.  
Rev. Date  
Rev.  
202548B  
2004-06-22  
102-901, Bucheon Technopark 364,  
Samjeong-Dong, Ojeong-Gu, Bucheon-City,  
Gyounggi-Do, Korea 421-809  
5/5  
NI2042-CS02