262151B

250.0 MHz SAW Filter
Part Number262151B
1. Features
Typical 1dB bandwidth of 20.6 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Minimum
Typical
Maximum
Operating Temperature : 0℃
℃ ~ 80℃
℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
25dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 9.75 MHz)
dB
Group Delay Variation (fo ± 9.75 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
℃
Room Temperature : +25℃
℃
20.45
40
27.0
23.4
1.2
80
Minimum
250.0
25.0
20.67
22.03
22.47
22.97
0.7
50
1.22
45
-18
Typical
Maximum
-
Insertion Loss
dB
-
25.0
27.0
Amplitude Ripple (fo ± 9.93 MHz)
dB
-
0.7
1.2
nsec
-
50
80
Group Delay Variation (fo ± 9.93 MHz)
S1365 Package Dimension
13.30±0.2
8
7
1
2
3
8
9
10
11
6
6
ITF 12A001
262151B
。250-20.6M
12
7
11
5
C1
L2
Output
50 Ω
C2
1.50±0.1
5
5
4
2.54±0.1
11
9
L1
Input
50 Ω
7.62±0.1
1.61±0.2
6.50±0.2
10
Matching Schematic
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 10nH, L2 = 22nH
C1 = 12pF, C2 = 36pF
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Pla
ted
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. 05. 13
Rev 1.1
250.0 MHz SAW Filter
Part Number262151B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
25 Sep 2012 00:15:07
1: 0. 0000 dB
0. 000 000 MHz
3: . 55080 dB
19. 860 000 MHz
REF -24.43 dB
REF -25.02 dB
CH1 Markers
REF=1
BW: 20. 674132
MHz
PRm
CH1 S21
LOG
10 dB/
CH1 Markers
REF=1
BW: 22. 966368
MHz
PRm
1
cent : 250. 158956 MHz
Q: 12. 100
cent : 250. 153979 MHz
Q: 10. 892
2
1_loss : -25 . 022 dB
Cor
25 Sep 2012 00:01:47
1: 0. 0000 dB
0. 000 000 MHz
REF -24.86 dB
1_loss : -24 . 871 dB
Cor
1
2
3
3 4
PRm
CH2 Markers
mean:-24REF=2
. 815 dB
2
3
4
s. dev : . 15250 dB
p-p : . 70030 dB
Cor
CENTER 250. 000 000 MHz
SPAN 25. 000 000 MHz
CENTER 250. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
25 Sep 2012 00:15:53
1: 0. 0000 dB
0. 000 000 MHz
3: 10. 859 ns
19. 860 000 MHz
REF -24.43 dB
REF 1.207 us
CH1 Markers
REF=1
BW: 21. 055964
MHz
PRm
SPAN 68. 000 000 MHz
15dB Bandwidth & 25dB Bandwidth
CH1 S21
CH3 S21
LOG
LOG
10 dB/
10 dB/
25 Sep 2012 00:02:47
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -24.84 dB
REF -24.83 dB
CH1 Markers
REF=1
BW: 22. 037606
MHz
PRm
cent : 250. 151017 MHz
1
cent : 250. 155817 MHz
2
1_loss : -24 . 858 dB
Q: 11. 880
Q: 11. 351
1_loss : -25 . 008 dB
Cor
Cor
1
2
3
4
3
4
3
PRm
Smo
2
3
CH2 Markers
mean: 1. REF=2
2256 us
CH3 Markers
REF=1
BW: 22. 470460
MHz
s. dev : 4
10. 814 ns
cent : 250. 153447 MHz
p-p : 44. 800 ns
Q: 11. 133
1_loss : -24 . 858 dB
Cor
CENTER 250. 000 000 MHz
SPAN 25. 000 000 MHz
CENTER 250. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -25.29 dB
SPAN 68. 000 000 MHz
SWR(S11 & S22)
25 Sep 2012 00:08:45
1:-25 . 319 dB
250. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
25 Sep 2012 00:04:50
1: 7. 7083
250. 000 000 MHz
2: 1. 2892
250. 000 000 MHz
REF 7.714
REF 1.289
PRm
PRm
1
Cor
1
PRm
2
Cor
START . 010 000 MHz
STOP1 000. 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 250. 000 000 MHz
http://www.itf.co.kr
SPAN 68. 000 000 MHz
[email protected]
2013. 05. 13
Rev 1.1