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75 MHz SAW Filter  
Part Number 231151B  
1. Features  
Typical 1dB bandwidth of 10.42 MHz  
Low-Loss Filter  
Single Ended Operation  
Surface Mounted Package (SMD)  
2. Electrical Specifications  
Source and Load Impedance = 50Ω  
Operating Temperature : -20℃ ~ +70℃  
Minimum  
Typical  
75.0  
10.0  
10.42  
11.1  
13.8  
0.3  
Maximum  
Center Frequency (fo)  
Insertion Loss  
MHz  
dB  
-
-
-
12.5  
-
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
9.9  
-
3dB Bandwidth  
-
40dB Bandwidth  
-
14.3  
1.0  
90  
1.1  
-
Amplitude Ripple (fo ± 4.375 MHz)  
Group Delay Variation (fo ± 4.375 MHz)  
Absolute Delay  
-
nsec  
usec  
dB  
-
45  
-
1.06  
45  
Ultimate Rejection  
40  
-
Temperature Coefficient of Frequency  
ppm/℃  
-86  
-
Room Temperature : +25℃  
Minimum  
Typical  
10.0  
0.3  
Maximum  
12.0  
Insertion Loss  
dB  
dB  
-
-
-
Amplitude Ripple (fo ± 4.675 MHz)  
Group Delay Variation (fo ± 4.675 MHz)  
1.0  
nsec  
45  
90  
S1365 Package Dimension  
Matching Schematic  
13.30±0.2  
7.62±0.1  
11  
5
L1  
L2  
10  
9
8
7
7
8
9
10  
I nput  
50Ω  
Out put  
50Ω  
6
5
11  
12  
11  
12  
ITF 12A001  
231151B  
75-10.4M  
6
5
1.50±0.1  
C1  
L3  
.
4
3
2
2.54±0.1  
1
1
2
3
4
0.80±0.1  
C1 = 82pF, L1 = 120nH, L2 = 10nH, L3 = 39nH  
Pin Configuration  
Dimensions shown are nominal in millimeters  
Input  
11  
5
Ground  
Others  
6, 12  
Body : Al2O3  
Lid : Kovar, Ni Plated  
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating  
Output  
Ground  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364, Samjeong-Dong,  
Ojeong-Gu, Bucheon-City,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2013. 03. 25  
Rev 1.0  
Gyounggi-Do, Korea 421-809  
75 MHz SAW Filter  
Part Number 231151B  
3. Typical Performance ( at +25℃ )  
1dB Bandwidth & Ripple  
40dB Bandwidth  
24 Apr 2012 22:27:24  
1: 0. 0000 dB  
3:-. 15030 dB  
24 Apr 2012 22:27:06  
1: 0. 0000 dB 0. 000 000 MHz  
CH2 S21 LOG  
CH4 S21 LOG  
1 dB/ REF -9.3 dB  
1 dB/ REF -9.3 dB  
0. 000 000 MHz  
9. 350 000 MHz  
CH1 S21 LOG  
10 dB/ REF -9.3 dB  
CH2 Markers  
REF=1  
BW: 10. 399789 MHz  
CH1 Markers  
REF=1  
BW: 13. 678307 MHz  
1
2
cent : 74. 961866 MHz  
Q: 7. 2080  
Cor  
cent : 75. 170405 MHz  
Q: 5. 4956  
1_loss : -9 . 4625 dB  
1
2
1_loss : -9 . 4679 dB  
3
4
3
2
CH4 Markers  
REF=2  
mean:-9 . 4817 dB  
3
4
Cor  
Cor  
s. dev : . 05580 dB  
p-p : . 28610 dB  
42  
CENTER 75. 000 000 MHz  
SPAN 13. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 45. 000 000 MHz  
3dB Bandwidth & Group Delay  
Smith Chart(S11 & S22)  
24 Apr 2012 22:27:16  
1: 0. 0000 dB  
3:-34 . 237 ns  
24 Apr 2012 22:27:37  
CH2 S21 LOG  
CH4 S21 DEL  
1 dB/ REF -9.3 dB  
150 ns/ REF 1.03 us  
0. 000 000 MHz  
9. 350 000 MHz  
CH1 S11 1 U FS  
CH3 S22 1 U FS  
1: 32.537  
1: 46.496  
-1.5234 1.3929 nF  
11.604 24.623 nH  
75.000 000 MHz  
75.000 000 MHz  
CH2 Markers  
REF=1  
BW: 11. 095402 MHz  
cent : 74. 997411 MHz  
Q: 6. 7593  
Cor  
Cor  
1_loss : -9 . 4689 dB  
1
2
4
1
3
1
2
CH4 Markers  
4
REF=2  
mean: 1. 0646 us  
3
Cor  
Smo  
s. dev : 8. 1063 ns  
p-p : 46. 598 ns  
Cor  
2
CENTER 75. 000 000 MHz  
SPAN 13. 000 000 MHz  
CENTER 75.000 000 MHz  
SPAN 45.000 000 MHz  
Wide band Properties  
SWR(S11 & S22)  
24 Apr 2012 22:28:40  
1: 0. 0000 dB 0. 000 000 MHz  
24 Apr 2012 22:28:10  
1: 1. 5398  
1: 1. 2838  
CH1 S21 LOG  
10 dB/ REF -9.3 dB  
CH1 S11 SWR  
CH3 S22 SWR  
10 / REF 0  
10 / REF 1  
75. 000 000 MHz  
75. 000 000 MHz  
1
CH1 Markers  
REF=1  
2:-43 . 019 dB  
75. 0000 MHz  
Cor  
Cor  
3:-57 . 222 dB  
150 . 000 MHz  
1
1
2
3
START . 010 000 MHz  
STOP 400 . 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 45. 000 000 MHz  
I T F Co., Ltd.  
102-901, Bucheon Technopark 364, Samjeong-Dong,  
Ojeong-Gu, Bucheon-City,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2013. 03. 25  
Rev 1.0  
Gyounggi-Do, Korea 421-809