262952B

255.0 MHz SAW Filter
Part Number 262952B
1. Features
Typical 1dB bandwidth of 29.4 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -20℃
℃ ~ +70℃
℃
Minimum
Typical
Maximum
MHz
-
255.0
-
dB
-
31.0
32.5
1dB Bandwidth
MHz
29.25
29.41
-
3dB Bandwidth
MHz
-
29.8
-
40dB Bandwidth
MHz
-
31.26
31.4
dB
-
0.65
1.2
Group Delay Variation (fo ± 14.32 MHz)
nsec
-
30
80
Absolute Delay
usec
-
2.66
-
dB
45
48
-
ppm/℃
℃
-
-18
-
Minimum
Typical
Maximum
MHz
-
31.0
32.5
dB
-
0.65
1.2
nsec
-
30
80
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 14.32 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
℃
Insertion Loss
Amplitude Ripple (fo ± 14.53 MHz)
Group Delay Variation (fo ± 14.53 MHz)
20.00±0.2
9.80±0.2
10
9
8
Matching Schematic
2.30±0.1
S2098 Package Dimension
7
7.62±0.1
6
6
7
8
9
10
18nH
ITF 11A001
262952B
。255-29.4M
1
2
3
4
Input
50Ω
5
1.02±0.1
5
4
3
2
10
5
36pF
18nH
24pF
Output
50Ω
1
1.91±0.1
1.56±0.2
Pin Configuration
Dimensions shown are nominal in millimeters
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]
2011. 01. 24
Rev 1.0
255.0 MHz SAW Filter
Part Number 262952B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
3dB Bandwidth & Group Delay
31 Oct 2009 06:03:17
1: 0. 0000 dB
0. 000 000 MHz
3:- . 01450 dB
29. 060 000 MHz
1 dB/ REF -30.83 dB
1 dB/ REF -31.42 dB
CH1 S21
CH2 S21
LOG
DEL
31 Oct 2009 06:03:49
1: 0. 0000 dB
0. 000 000 MHz
3:-4 . 0313 ns
29. 060 000 MHz
1 dB/ REF -30.83 dB
50 ns/ REF 2.644 us
CH1 Markers
REF=1
BW: 29. 412630 MHz
cent : 255. 025962 MHz
Cor
CH1 Markers
REF=1
BW: 29. 801256 MHz
cent : 255. 041195 MHz
Cor
Q: 8. 6706
Q: 8. 5581
1_loss : -30 . 990 dB
1
1_loss : -30 . 971 dB
1
2
2
3
4
3
3
2
CH2 Markers
REF=2
mean:-30 . 987 dB
Cor
CENTER 255. 000 000 MHz
Smo
Cor
2
CH2 Markers
REF=2
mean:42. 6629 us
3
s. dev : . 12320 dB
s. dev : 5. 2923 ns
p-p : . 65640 dB
p-p : 30. 009 ns
SPAN 36. 000 000 MHz
CENTER 255. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
Smith Chart
31 Oct 2009 06:02:02
1: 0. 0000 dB
0. 000 000 MHz
10 dB/ REF -31.48 dB
SPAN 36. 000 000 MHz
CH1 S11
CH2 S22
1: 40. 768
2: 55. 389
1 U FS
1 U FS
31 Oct 2009 06:05:11
14. 666 nH
255. 000 000 MHz
8. 3088 nH
255. 000 000 MHz
23. 498
13. 313
CH1 Markers
REF=1
BW: 31. 269161 MHz
1
Cor
Cor
cent : 255. 021542 MHz
2
Q: 8. 1557
1_loss : -31 . 219 dB
1
2
Hld
3
4
Cor
CENTER 255. 000 000 MHz
CENTER 255. 000 000 MHz
SPAN 95. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/ REF -30.92 dB
SPAN 95. 000 000 MHz
SWR(S11 & S22)
31 Oct 2009 06:07:11
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2:-58 . 769 dB
255. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
31 Oct 2009 06:04:59
1: 1. 7363
255. 000 000 MHz
2: 1. 3126
255. 000 000 MHz
REF 1.737
REF 1.312
Cor
3:-56 . 157 dB
510. 000 MHz
1
1
Cor
2
3
2
START . 010 000 MHz
STOP 800. 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 255. 000 000 MHz
http://www.itf.co.kr
SPAN 95. 000 000 MHz
[email protected]
2011. 01. 24
Rev 1.0
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