253251B

125.0 MHz SAW Filter
Part Number 253251B
1. Features
Typical 1dB bandwidth of 31.85 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
-
125.0
-
dB
-
23.5
25.0
1dB Bandwidth
MHz
31.7
31.85
-
3dB Bandwidth
MHz
-
32.65
-
40dB Bandwidth
MHz
-
36.2
36.3
dB
-
0.5
1.0
Group Delay Variation (fo ± 15.5 MHz)
nsec
-
20
40
Absolute Delay
usec
-
0.98
-
dB
50
52
-
ppm/℃
℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 15.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
13.30±0.2
12
8
ITF 10A001
253251B
125-31.9M
1
2
3
68nH
7.62±0.1
7
4
7
6
6
5
5
8
9
10
11
11
5
82nH
Input
50Ω
Output
50Ω
4.3pF
1.50±0.1
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
Matching Schematic
12
4
3
2
2.54±0.1
1
0.80±0.1
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
11
Ground
6,12
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2010. 09.14
Rev 1.0
125.0 MHz SAW Filter
Part Number 253251B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
3dB Bandwidth & Group Delay
14 Dec 2009 00:47:36
1: 0. 0000 dB
0. 000 000 MHz
3: . 16230 dB
31. 000 000 MHz
REF -23.06 dB
REF -23.52 dB
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
14 Dec 2009 00:48:01
1: 0. 0000 dB
0. 000 000 MHz
3: 4. 7933 ns
31. 000 000 MHz
REF -23.06 dB
REF 971.8 ns
CH1 Markers
REF=1
BW: 31. 841457 MHz
cent : 125. 059614 MHz
Cor
CH1 Markers
REF=1
BW: 32. 678196 MHz
cent : 125. 041972 MHz
Cor
Q: 3. 9276
Q: 3. 8265
1_loss : -23 . 318 dB
1_loss : -23 . 339 dB
1
1
2
2
4
3
3
3
CH2 Markers
REF=2
mean: -23 . 372 dB
2
Cor
CENTER 125. 000 000 MHz
Smo
Cor
CH2 Markers
REF=2
mean: 988.
4 06 ns
2
3
s. dev : . 10730 dB
s. dev : 3. 4202 ns
p-p : . 48740 dB
p-p : 18. 030 ns
SPAN 38. 000 000 MHz
CENTER 125. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/
50dB Bandwidth
14 Dec 2009 00:46:08
1: 0. 0000 dB
0. 000 000 MHz
REF -23.33 dB
SPAN 38. 000 000 MHz
CH1 S21
LOG
10 dB/
CH1 Markers
REF=1
BW: 36. 195662 MHz
1
Cor
14 Dec 2009 00:46:21
1: 0. 0000 dB
0. 000 000 MHz
REF -23.33 dB
CH1 Markers
REF=1
BW: 36. 529461 MHz
1
Cor
cent : 124. 985007 MHz
2
cent : 124. 975735 MHz
2
Q: 3. 4530
Q: 3. 4212
1_loss : -23 . 256 dB
3
1_loss : -23 . 256 dB
4
3
CENTER 125. 000 000 MHz
SPAN 92. 000 000 MHz
CENTER 125. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
SPAN 92. 000 000 MHz
SWR(S11 & S22)
14 Dec 2009 00:49:16
1: 0. 0000 dB
0. 000 000 MHz
REF -22.4 dB
4
CH1 Markers
REF=1
2:-59 . 875 dB
125. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
20 /
20 /
14 Dec 2009 00:48:36
1: 7. 2195
125. 000 000 MHz
2: 6. 3271
125. 000 000 MHz
REF 7.24
REF 6.312
Cor
3:-56 . 035 dB
250. 000 MHz
1
1
Cor
2
START . 010 000 MHz
2
3
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 125. 000 000 MHz
http://www.itf.co.kr
SPAN 92. 000 000 MHz
[email protected]
2010. 09.14
Rev 1.0
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