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75.0 MHz SAW Filter  
Part Number 231003B  
1. Features  
ꢀ
ꢀ
ꢀ
ꢀ
Typical 1dB bandwidth of 10.0 MHz  
High attenuation  
Single Ended Operation  
Dual In-line Package (DIP)  
2. Electrical Specifications  
Source and Load Impedance = 50Ω  
Minimum  
Typical  
75.0  
21.5  
10.0  
10.34  
11.23  
11.63  
0.45  
40  
Maximum  
Operating Temperature : -30℃ ~ +80℃  
Center Frequency (fo)  
Insertion Loss  
MHz  
dB  
-
-
-
23.0  
1dB Bandwidth  
MHz  
MHz  
MHz  
MHz  
dB  
9.85  
-
3dB Bandwidth  
-
-
-
20dB Bandwidth  
11.33  
40dB Bandwidth  
-
11.75  
Amplitude Ripple (fo ± 4.5 MHz)  
Group Delay Variation (fo ± 4.5 MHz)  
Absolute Delay  
-
1.0  
80  
-
nsec  
usec  
dB  
-
-
2.34  
55  
Ultimate Rejection  
50  
-
-
Temperature Coefficient of Frequency  
ppm/℃  
-72  
-
Room Temperature : +25℃  
Minimum  
Typical  
21.5  
0.45  
40  
Maximum  
23.0  
Insertion Loss  
dB  
dB  
-
-
-
Amplitude Ripple (fo ± 4.8 MHz)  
Group Delay Variation (fo ± 4.8 MHz)  
Input POWER : +10dBm  
1.0  
nsec  
80  
D2012 Package Dimension  
Matching Schematic  
5
1
12.7±0.5  
5.5max 6.0max  
7.6±0.2  
Input  
50  
Output  
50  
Ω
Ω
Un Matching Required  
Pin Configuration  
Dimensions shown are nominal in millimeters  
Input  
1
5
Ground  
Others  
2,4  
Base : Fe(SPCC), Au plating over Ni plated  
Cap : Cu & Cr Alloy, Ni Plated  
Termination : Kovar, Au Plated  
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. 04.01  
Rev 1.0  
Gyounggi-Do, Korea 421-809  
75.0 MHz SAW Filter  
Part Number 231003B  
3. Typical Performance ( at +25℃ )  
1dB Bandwidth & Ripple  
40dB Bandwidth  
21 May 2012 21:07:22  
21 May 2012 21:13:38  
CH1 S21  
CH2 S21  
LOG  
LOG  
1 dB/ REF -21.14 dB  
1 dB/ REF -21.55 dB  
1: 0. 0000 dB  
3: . 33590 dB  
0. 000 000 MHz  
9. 600 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -21.31 dB  
1: 0. 0000 dB  
0. 000 000 MHz  
CH1 Markers  
CH1 Markers  
REF=1  
REF=1  
BW: 10. 012215 MHz  
BW: 11. 638294 MHz  
1
2
cent  
:
75. 074197 MHz  
Q: 7. 4983  
Cor  
Cor  
cent  
:
75. 054761 MHz  
Q: 6. 4489  
1_loss  
:
-21 . 286 dB  
1
1_loss  
: -21 . 295 dB  
2
3
4
3
CH2 Markers  
REF=2  
mean:-21 . 347 dB  
s. dev : . 10380 dB  
p-p : . 44840 dB  
3
4
2
Cor  
START 68. 500 000 MHz  
STOP 81. 500 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 35. 000 000 MHz  
3dB Bandwidth & Group Delay  
20dB Bandwidth  
21 May 2012 21:08:53  
21 May 2012 21:13:29  
1: 0. 0000 dB 0. 000 000 MHz  
CH1 S21  
CH2 S21  
LOG  
DEL  
1 dB/ REF -21.1 dB  
200 ns/ REF 2.262 us  
1: 0. 0000 dB  
3: 11. 990 ns  
0. 000 000 MHz  
9. 600 000 MHz  
CH1 S21  
LOG  
10 dB/ REF -21.31 dB  
CH1 Markers  
CH1 Markers  
REF=1  
REF=1  
BW: 10. 344450 MHz  
BW: 11. 238900 MHz  
1
2
cent  
:
75. 074917 MHz  
Q: 7. 2575  
Cor  
Cor  
cent  
:
75. 066151 MHz  
Q: 6. 6791  
1_loss  
: -21 . 294 dB  
1
1_loss  
: -21 . 295 dB  
2
3
4
3
2
Smo  
Cor  
CH2 Markers  
REF=2  
4
3
mean: 2. 3425 us  
s. dev : 8. 7279 ns  
p-p : 44. 603 ns  
CENTER 75. 000 000 MHz  
SPAN 13. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 35. 000 000 MHz  
Wide band Properties  
SWR(S11 & S22)  
21 May 2012 21:11:07  
21 May 2012 21:10:13  
1: 9. 5503  
2: 9. 2764  
CH1 S21  
LOG  
10 dB/ REF -22.75 dB  
1: 0. 0000 dB  
0. 000 000 MHz  
CH1 S11  
CH2 S22  
SWR  
SWR  
10  
10  
/
/
REF 9.537  
REF 9.276  
75. 000 000 MHz  
75. 000 000 MHz  
CH1 Markers  
REF=1  
2:-61 . 421 dB  
75. 0000 MHz  
C
3:-47 . 812 dB  
150. 000 MHz  
1
1
C
2
3
2
START . 010 000 MHz  
STOP 300. 000 000 MHz  
CENTER 75. 000 000 MHz  
SPAN 35. 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. 04.01  
Rev 1.0  
Gyounggi-Do, Korea 421-809