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75.0 MHz SAW Filter  
Part Number 231655B  
1. Features  
ꢀ
ꢀ
ꢀ
ꢀ
Typical 1dB bandwidth of 15.6 MHz  
High attenuation  
Single Ended Operation  
Surface Mounted Package (SMD)  
2. Electrical Specifications  
Source and Load Impedance = 50ꢁ  
Operating Temperature : +25℃  
Minimum  
Typical  
75.0  
22.2  
15.6  
16.05  
18.0  
0.5  
Maximum  
Center Frequency (fo)  
Insertion Loss  
MHz  
dB  
ꢀ
ꢀ
24.0  
ꢀ
ꢀ
1dB Bandwidth  
MHz  
MHz  
MHz  
dB  
15.45  
3dB Bandwidth  
ꢀ
ꢀ
ꢀ
40dB Bandwidth  
18.1  
1.0  
80  
ꢀ
Amplitude Ripple (fo ± 7.47 MHz)  
Group Delay Variation (fo ± 7.47 MHz)  
Absolute Delay  
ꢀ
nsec  
usec  
dB  
ꢀ
30  
ꢀ
1.64  
48  
Ultimate Rejection  
45  
ꢀ
Relative attenuation  
@Edge ± 1.6 MHz  
dB  
40  
ꢀ
47  
ꢀ
ꢀ
Temperature Coefficient of Frequency  
ppm/℃  
ꢀ72  
S2098 Package Dimension  
Matching Schematic  
120nH  
150nH  
20.00±0.2  
7.62±0.1  
8
10  
5
10  
9
8
7
6
7
9
10  
6
Input  
50  
Output  
50  
Ω
Ω
9pF  
ITF 10A001  
231655B  
75-15.6M  
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.  
102ꢀ901, Bucheon Technopark 364, SamjeongꢀDong,  
OjeongꢀGu, BucheonꢀCity,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2010. 09.14  
Rev 1.0  
GyounggiꢀDo, Korea 421ꢀ809  
75.0 MHz SAW Filter  
Part Number 231655B  
3. Typical Performance ( at +25℃ )  
1dB Bandwidth & Ripple  
10 Jun 2010 16:24:38  
3dB Bandwidth & Group Delay  
10 Jun 2010 16:24:52  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -22.06 dB  
1 dB/ REF -22.57 dB  
1: 0. 0000 dB  
3:-. 05570 dB  
0. 000 000 MHz  
14. 940 000 MHz  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -22.06 dB  
100 ns/ REF 1.632 us  
1: 0. 0000 dB  
3: 3. 0686 ns  
0. 000 000 MHz  
14. 940 000 MHz  
CH1Markers  
CH1Markers  
PRm  
Cor  
PRm  
Cor  
REF=1  
REF=1  
BW: 15. 588800 MHz  
BW: 16. 049795 MHz  
cent  
:
74. 980999 MHz  
Q: 4. 8099  
cent  
:
74. 988881 MHz  
Q: 4. 6723  
1_loss  
:
-22 . 217 dB  
1_loss  
:
-22 . 217 dB  
1
2
1
2
3
4
3
3
PRm  
Cor  
PRm  
Smo  
Cor  
2
CH2Markers  
REF=2  
mean:-22 . 357 dB  
s. dev: . 10980 dB  
p-p : . 49580 dB  
CH2Markers  
2
REF=2  
4
3
mean: 1. 6451 us  
s. dev: 6. 8108 ns  
p-p : 31. 803 ns  
CENTER 75. 000 000 MHz  
SPAN 19. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 19. 000 000 MHz  
40dB Bandwidth  
Relative attenuation  
10 Jun 2010 16:22:10  
1: 0. 0000 dB 0. 000 000 MHz  
10 Jun 2010 16:23:13  
CH1 S21  
*
LOG  
10 dB/ REF -22.13 dB  
CH1 S21  
CH3 S12  
LOG  
LOG  
10 dB/ REF -22.13 dB  
10 dB/ REF -22 dB  
1: 0. 0000 dB  
1: 0. 0000 dB  
0. 000 000 MHz  
0. 000 000 MHz  
*
CH1Markers  
CH1Markers  
REF=1  
REF=1  
2:-46 . 846 dB  
-1 . 60000 MHz  
BW: 17. 984060 MHz  
1
2
1
1
Cor  
Cor  
C2  
cent  
:
74. 976430 MHz  
Q: 4. 1690  
1_loss  
: -22 . 125 dB  
CH3Markers  
REF=1  
2:-55 . 675 dB  
1. 60000 MHz  
3
4
2
2
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)  
10 Jun 2010 16:26:02  
1: 0. 0000 dB 0. 000 000 MHz  
10 Jun 2010 16:25:30  
CH1 S21  
LOG  
10 dB/ REF -22.04 dB  
CH1 S11  
CH2 S22  
SWR  
SWR  
20  
20  
/
/
REF 5.933  
REF 9.226  
1: 5. 9334  
2: 9. 2261  
75. 000 000 MHz  
75. 000 000 MHz  
*
PRm  
CH1Markers  
REF=1  
2:-71 . 030 dB  
75. 0000 MHz  
Cor  
3:-52 . 775 dB  
150. 000 MHz  
1
1
PRm  
Cor  
2
3
START . 010 000 MHz  
STOP 300. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 55. 000 000 MHz  
2
I T F Co., Ltd.  
102ꢀ901, Bucheon Technopark 364, SamjeongꢀDong,  
OjeongꢀGu, BucheonꢀCity,  
Tel: 82-32-621-1213  
Fax: 82-32-621-1218  
http://www.itf.co.kr  
sales@itf.co.kr  
2010. 09.14  
Rev 1.0  
GyounggiꢀDo, Korea 421ꢀ809