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75.0 MHz SAW Filter  
Part Number 231654B  
1. Features  
ꢀ
ꢀ
ꢀ
ꢀ
Typical 1dB bandwidth of 15.85 MHz  
High attenuation  
Single Ended Operation  
Surface Mounted Package (SMD)  
2. Electrical Specifications  
Source and Load Impedance = 50Ω  
Operating Temperature : +25℃  
Minimum  
Typical  
75.0  
24.8  
15.85  
16.15  
17.45  
0.45  
40  
Maximum  
Center Frequency (fo)  
Insertion Loss  
MHz  
dB  
-
-
-
26.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
15.7  
-
-
3dB Bandwidth  
-
-
40dB Bandwidth  
17.6  
1.0  
80  
-
Amplitude Ripple (fo ± 7.66 MHz)  
Group Delay Variation (fo ± 7.66 MHz)  
Absolute Delay  
-
nsec  
usec  
dB  
-
-
2.25  
55  
Ultimate Rejection  
50  
-
-
Temperature Coefficient of Frequency  
ppm/℃  
-72  
-
S2098 Package Dimension  
Matching Schematic  
20.00±0.2  
7.62±0.1  
7 8  
10  
8
6
9
7
9
10  
6
10  
5
ITF 10A001  
231654B  
. 75-15.8M  
Input  
50  
Output  
50  
Ω
Ω
150nH  
150nH  
5
4
3
2
1
1
2
3
4
5
1.02±0.1  
1.91±0.1  
1.56±0.2  
Pin Configuration  
Dimensions shown are nominal in millimeters  
Input  
Output  
10  
5
Ground  
Others  
1,4  
Body : Al2O3  
Lid : Kovar, Ni Plated  
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating  
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  
2010. 05. 20  
Rev 1.0  
Gyounggi-Do, Korea 421-809  
75.0 MHz SAW Filter  
Part Number 231654B  
3. Typical Performance ( at +25℃ )  
1dB Bandwidth & Ripple  
30 Mar 2010 18:20:30  
3dB Bandwidth & Group Delay  
30 Mar 2010 18:20:48  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -24.25 dB  
1 dB/ REF -24.49 dB  
1: 0. 0000 dB  
3: . 00930 dB  
0. 000 000 MHz  
15. 320 000 MHz  
CH1 S21  
CH2 S21  
LOG  
1 dB/ REF -24.25 dB  
1: 0. 0000 dB  
3: 2. 6248 ns  
0. 000 000 MHz  
15. 320 000 MHz  
DEL 156.8 ns/  
REF 2.238 us  
CH1Markers  
CH1Markers  
PRm  
Cor  
PRm  
Cor  
REF=1  
REF=1  
BW: 15. 838867 MHz  
BW: 16. 142583 MHz  
cent  
:
74. 992873 MHz  
Q: 4. 7347  
cent  
:
74. 988922 MHz  
Q: 4. 6454  
1_loss  
:
-24 . 443 dB  
1_loss : -24 . 443 dB  
1
2
1
2
3
4
3
3
PRm  
Cor  
PRm  
Smo  
Cor  
2
CH2Markers  
REF=2  
mean:-24 . 394 dB  
s. dev : . 08580 dB  
p-p : . 37570 dB  
CH2Markers  
2
3
REF=2  
4
mean: 2. 2556 us  
s. dev : 8. 1889 ns  
p-p : 37. 460 ns  
CENTER 75. 000 000 MHz  
SPAN 20. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 20. 000 000 MHz  
40dB Bandwidth  
50dB Bandwidth  
30 Mar 2010 18:19:53  
1: 0. 0000 dB 0. 000 000 MHz  
30 Mar 2010 18:20:10  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
*
LOG  
10 dB/ REF -24.47 dB  
CH1 S21  
*
LOG  
10 dB/ REF -24.47 dB  
CH1Markers  
CH1Markers  
REF=1  
REF=1  
BW: 17. 422009 MHz  
BW: 17. 549195 MHz  
1
2
1
2
Cor  
Cor  
cent  
:
74. 981613 MHz  
Q: 4. 3038  
cent  
:
74. 962233 MHz  
Q: 4. 2715  
1_loss  
:
-24 . 475 dB  
1_loss : -24 . 475 dB  
3
4
3
4
START 47. 500 000 MHz  
STOP 102. 500 000 MHz  
START 47. 500 000 MHz  
STOP 102. 500 000 MHz  
Wide band Properties  
SWR(S11 & S22)  
30 Mar 2010 18:22:05  
1: 0. 0000 dB 0. 000 000 MHz  
30 Mar 2010 18:21:25  
CH1 S21  
LOG  
10 dB/ REF -24.66 dB  
CH1 S11  
CH2 S22  
SWR  
SWR  
5
5
/
/
REF 7.155  
REF 6.369  
1: 7. 1548  
2: 6. 3687  
75. 000 000 MHz  
75. 000 000 MHz  
PRm  
Cor  
CH1Markers  
REF=1  
2:-64 . 698 dB  
75. 0000 MHz  
3:-22 . 485 dB  
150. 000 MHz  
1
1
3
PRm  
Cor  
2
2
START . 010 000 MHz  
STOP 250. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 55. 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  
2010. 05. 20  
Rev 1.0  
Gyounggi-Do, Korea 421-809