251507B

145.0 MHz SAW Filter
Part Number 251507B
1. Features
Typical 1dB bandwidth of 15.7 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
145.0
-
dB
-
28.8
31.0
1dB Bandwidth
MHz
15.7
15.77
-
25dB Bandwidth
MHz
-
16.53
16.6
40dB Bandwidth
MHz
-
16.7
-
50dB Bandwidth
MHz
-
16.8
16.9
dB
-
0.55
1.0
Group Delay Variation (fo +/- 7.65 MHz)
nsec
-
50
100
Absolute Delay
usec
-
4.34
-
dB
48
52
-
ppm/℃
℃
-
-18
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo +/- 7.65 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
12.8±0.5
5.5max 6.0max
Matching Schematic
7.6±0.2
2.5±0.2
D3512 Package Dimension
39nH
1
5
43pF
39nH
47pF
Output
50 Ω
25.4±0.2
2.5±0.2
0.45±0.05
ITF 11A001
251507B
145-15.7M
35.1±0.5
Input
50Ω
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
Input
1
Ground
2,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2011. 06. 27
Rev 1.0
145.0 MHz SAW Filter
Part Number 251507B
3. Typical Performance ( at +25℃
℃)
25dB Bandwidth
CH1 S21
LOG
10 dB/
1dB Bandwidth & Ripple
16 Mar 2010 21:03:57
1: 0. 0000 dB
0. 000 000 MHz
REF -28.51 dB
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
16 Mar 2010 21:04:53
1: 0. 0000 dB
0. 000 000 MHz
3: . 07710 dB
15. 300 000 MHz
REF -28.36 dB
REF -28.76 dB
*
Cor
CH1 Markers
REF=1
BW: 15. 761868 MHz
CH1 Markers
REF=1
BW: 16. 527856 MHz
1
cent : 144. 976457 MHz
Cor
cent : 144. 962075 MHz
2
Q: 9. 1979
Q: 8. 7708
1_loss : -28 . 582 dB
1
1_loss : -28 . 743 dB
2
3
3
4
4
3
2
CH2 Markers
REF=2
mean: -28 . 559 dB
Cor
s. dev : . 10070 dB
p-p : . 53880 dB
START 117. 500 000 MHz
STOP 172. 500 000 MHz
CENTER 145. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
50dB Bandwidth
16 Mar 2010 21:05:03
1: 0. 0000 dB
0. 000 000 MHz
3:-14 . 648 ns
15. 300 000 MHz
REF -28.36 dB
REF 4.332 us
CH1 Markers
REF=1
BW: 15. 936109 MHz
cent : 144. 974235 MHz
Cor
SPAN 20. 000 000 MHz
CH1 S21
LOG
10 dB/
16 Mar 2010 21:04:14
1: 0. 0000 dB
0. 000 000 MHz
REF -28.51 dB
*
CH1 Markers
REF=1
BW: 16. 795928 MHz
1
Cor
cent : 144. 966813 MHz
Q: 9. 0972
2
Q: 8. 6311
1_loss : -28 . 582 dB
1
1_loss : -28 . 743 dB
2
3
Smo
Cor
CH2 Markers
REF=2
4 4. 3459 us
mean:
2
3
s. dev : 8. 6462 ns
3
p-p : 43. 640 ns
CENTER 145. 000 000 MHz
SPAN 20. 000 000 MHz
START 117. 500 000 MHz
Wideband properties
CH1 S21
LOG
10 dB/
STOP 172. 500 000 MHz
SWR (S11&S22)
16 Mar 2010 21:06:09
1: 0. 0000 dB
0. 000 000 MHz
REF -30.93 dB
4
CH1 Markers
REF=1
2:-64 . 893 dB
145. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
2 /
2 /
16 Mar 2010 21:05:37
1: 1. 8663
145. 000 000 MHz
2: 1. 8589
145. 000 000 MHz
REF 1.867
REF 1.858
Cor
3:-57 . 524 dB
290. 000 MHz
1
1
Cor
2
3
2
START . 010 000 MHz
STOP 500. 000 000 MHz
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
Tel: 82-32-621-1213
Fax: 82-32-621-1218
CENTER 145. 000 000 MHz
http://www.itf.co.kr
SPAN 55. 000 000 MHz
[email protected]
2011. 06. 27
Rev 1.0
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