252255B

148.0 MHz SAW Filter
Project Name 252255B
1. Features
Typical 1dB bandwidth of 21.5 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
148.0
-
dB
-
22.0
23.5
1 dB Bandwidth
MHz
21.0
21.59
-
3dB Bandwidth
MHz
-
22.52
-
40dB Bandwidth
MHz
-
26.48
27.0
dB
-
0.6
1.0
Group Delay Variation (fo ± 10.0 MHz)
nsec
-
20
60
Absolute Delay
usec
-
1.08
-
dB
50
55
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 10.0 MHz)
Ultimate Rejection
ppm/℃
℃
Temperature Coefficient of Frequency
-72
S1365 Package Dimension
Matching Schematic
11
13.30±0.2
12
8
7.62±0.1
7
ITF 13A001
252255B
。148-21.5M
1
2
3
4
7
6
6
5
5
8
9
10
11
Input
50Ω
Output
50Ω
1.50±0.1
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
5
12
4
3
2
2.54±0.1
1
0.80±0.1
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
11
Ground
6, 12
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 04. 01
Rev 1.0
148.0 MHz SAW Filter
Project Name 252255B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
12 Nov 2012 13:31:27
1: 0. 0000 dB
0. 000 000 MHz
3:- . 08720 dB
20. 000 000 MHz
REF -21.56 dB
REF -22.06 dB
CH1 S21
LOG
10 dB/
12 Nov 2012 13:30:32
1: 0. 0000 dB
0. 000 000 MHz
REF -22.1 dB
CH1 Markers
REF=1
BW: 21. 595253 MHz
cent : 147. 958062 MHz
Cor
CH1 Markers
REF=1
BW: 26. 489741 MHz
1
Cor
cent : 147. 930559 MHz
Q: 6. 8514
2
Q: 5. 5844
1_loss : -21 . 810 dB
1
1_loss : -22 . 078 dB
2
3
4
3
2
CH2 Markers
REF=2
mean:-21 . 840 dB
Cor
4
3
s. dev : . 10610 dB
p-p : . 57000 dB
START 135. 500 000 MHz
STOP 160. 500 000 MHz
CENTER 148. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
20 ns/
12 Nov 2012 13:31:45
1: 0. 0000 dB
0. 000 000 MHz
3: 11. 719 ns
20. 000 000 MHz
REF -21.56 dB
REF 1.076 us
SPAN 80. 000 000 MHz
Smith Chart
CH1 S11
CH2 S22
1 U FS
1 U FS
1: 10. 291
2: 11. 416
-47 . 939
-49 . 186
12 Nov 2012 13:32:08
22. 432 pF
148. 000 000 MHz
21. 864 pF
148. 000 000 MHz
CH1 Markers
REF=1
BW: 22. 522387 MHz
cent : 147. 958033 MHz
Cor
Cor
Q: 6. 5694
1_loss : -21 . 810 dB
1
2
3
Smo
Cor
CH2 Markers
REF=2
4
mean: 1. 0875
us
2
3
Cor
s. dev : 3. 8067 ns
p-p : 20. 508 ns
12
CENTER 148. 000 000 MHz
SPAN 25. 000 000 MHz
CENTER 148. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -23.95 dB
SPAN 80. 000 000 MHz
SWR(S11 & S22)
12 Nov 2012 13:33:41
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2:-63 . 764 dB
148. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
12 Nov 2012 13:32:57
1: 9. 4341
148. 000 000 MHz
2: 8. 7842
148. 000 000 MHz
REF 9.423
REF 8.784
Cor
3:-52 . 855 dB
296. 000 MHz
1
1
Cor
2
3
START . 010 000 MHz
2
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 148. 000 000 MHz
http://www.itf.co.kr
SPAN 80. 000 000 MHz
[email protected]
2013. 04. 01
Rev 1.0
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