251458B

155.5 MHz SAW Filter
Part Number 251458B
1. Features
Typical 1dB bandwidth of 14.1 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
157.5
-
dB
-
26.5
28.0
1 dB Bandwidth
MHz
13.95
14.1
-
3dB Bandwidth
MHz
-
14.5
-
40dB Bandwidth
MHz
-
16.3
16.45
dB
-
0.45
1.0
Group Delay Variation (fo ± 6.75 MHz)
nsec
-
30
60
Absolute Delay
usec
-
2.27
-
dB
50
55
-
dBm
-
-
10
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 6.75 MHz)
Ultimate Rejection
Maximum input Power
ppm/℃
℃
Temperature Coefficient of Frequency
-18
20.00±0.2
9.80±0.2
10
9
8
Matching Schematic
2.30±0.1
S2098 Package Dimension
7
10
7.62±0.1
6
6
7
8
9
10
Input
50Ω
ITF 13A001
251458B
。157.5-14.1M
1
2
3
4
5
L1
L2
C1
5
1.02±0.1
5
4
3
2
Output
50Ω
C2
1
1.91±0.1
1.56±0.2
L1 = 56nH, L2 = 47nH, C1 = 33pF, C2 = 39pF
Dimensions shown are nominal in millimeters
Pin Configuration
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
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
10
Ground
1,6
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 04. 01
Rev 1.0
155.5 MHz SAW Filter
Part Number 251458B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
30 Apr 2012 16:45:26
1: 0. 0000 dB
0. 000 000 MHz
3:- . 19940 dB
13. 500 000 MHz
REF -26.24 dB
REF -26.66 dB
CH1 S21
LOG
10 dB/
30 Apr 2012 16:43:44
1: 0. 0000 dB
0. 000 000 MHz
REF -26.5 dB
CH1 Markers
REF=1
BW: 14. 095008 MHz
cent : 157. 442272 MHz
Cor
CH1 Markers
REF=1
BW: 16. 301451 MHz
1
Cor
cent : 157. 441172 MHz
Q: 11. 170
2
Q: 9. 6581
1_loss : -26 . 579 dB
1_loss : -26 . 627 dB
1
2
3
4
3
2
CH2 Markers
REF=2
mean:-26 . 490 dB
Cor
3
4
s. dev : . 10450 dB
p-p : . 43500 dB
CENTER 157. 500 000 MHz
SPAN 17. 000 000 MHz
CENTER 157. 500 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
30 Apr 2012 16:45:48
1: 0. 0000 dB
0. 000 000 MHz
3: 7. 1013 ns
13. 500 000 MHz
REF -26.24 dB
REF 2.303 us
SPAN 50. 000 000 MHz
50dB Bandwidth
CH1 S21
LOG
10 dB/
30 Apr 2012 16:43:55
1: 0. 0000 dB
0. 000 000 MHz
REF -26.5 dB
CH1 Markers
REF=1
BW: 14. 496439 MHz
cent : 157. 440391 MHz
Cor
CH1 Markers
REF=1
BW: 16. 473561 MHz
1
Cor
cent : 157. 450683 MHz
Q: 10. 861
2
Q: 9. 5578
1_loss : -26 . 579 dB
1_loss : -26 . 627 dB
1
2
3
Smo
Cor
CH2 Markers
REF=2
mean: 42. 2747 us
s. dev : 4. 7671 ns
2
3
3
p-p : 24. 683 ns
CENTER 157. 500 000 MHz
SPAN 17. 000 000 MHz
CENTER 157. 500 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
SPAN 50. 000 000 MHz
SWR(S11 & S22)
30 Apr 2012 16:50:24
1: 0. 0000 dB
0. 000 000 MHz
REF -28.44 dB
4
CH1 Markers
REF=1
2:-66 . 090 dB
157. 500 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
30 Apr 2012 16:47:12
1: 2. 0968
157. 500 000 MHz
2: 1. 8228
157. 500 000 MHz
REF 2.096
REF 1.819
Cor
3:-67 . 616 dB
315. 000 MHz
1
1
Cor
START . 010 000 MHz
2
STOP 600. 000 000 MHz
3
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
2
CENTER 157. 500 000 MHz
http://www.itf.co.kr
SPAN 50. 000 000 MHz
[email protected]
2013. 04. 01
Rev 1.0
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