250254B

142.5 MHz SAW Filter
Part Number 250254B
1. Features
Typical 1dB bandwidth of 2.5 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
-
142.5
-
dB
-
22.5
24.0
1dB Bandwidth
MHz
2.35
2.5
-
3dB Bandwidth
MHz
-
2.83
-
40dB Bandwidth
MHz
-
4.3
4.45
dB
-
0.3
1.0
Group Delay Variation (fo ± 1.0 MHz)
nsec
-
60
150
Absolute Delay
usec
-
1.83
-
dB
48
52
-
ppm/℃
℃2
-
-0.03
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 1.0 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
13.30±0.2
8
7.62±0.1
7
ITF 11A001
250254B
. 142.5-2.5M
11
12
1
2
3
7
8
9
10
6
6
270nH
L1
11
1.50±0.1
5
5
4
2.54±0.1
9
1.61±0.2
6.50±0.2
10
Matching Schematic
12
4
3
2
2.54±0.1
Input
50 Ω
11
5
270nH
L2
Output
50 Ω
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]
2011. 11. 04
Rev 1.0
142.5 MHz SAW Filter
Part Number 250254B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
3dB Bandwidth & Group Delay
11 Feb 2011 18:25:20
1: 0. 0000 dB
0. 000 000 MHz
3: . 11030 dB
2. 000 000 MHz
REF -21.97 dB
REF -22.23 dB
BW:
LOG
DEL
1 dB/
100 ns/
11 Feb 2011 18:26:13
1: 0. 0000 dB
0. 000 000 MHz
3: 6. 9090 ns
2. 000 000 MHz
REF -21.97 dB
REF 1.792 us
CH1 Markers
REF=1
2. 502379 MHz
cent : 142 . 483901 MHz
Cor
CH1 S21
CH2 S21
BW:
CH1 Markers
REF=1
2. 832635 MHz
cent : 142 . 477559 MHz
Cor
Q: 56. 939
Q: 50. 299
1_loss : -22 . 179 dB
1_loss : -22 . 167 dB
1
1
2
2
3
4
3
3
2
CH2 Markers
REF=2
mean: -22 . 107 dB
2
Cor
CENTER 142 . 500 000 MHz
SPAN
Smo
Cor
CH2 Markers
REF=2
4
mean: 1. 8316
us
3
s. dev : . 06760 dB
s. dev : 12. 623 ns
p-p : . 28610 dB
p-p : 59. 636 ns
3. 000 000 MHz
CENTER 142 . 500 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/
3. 000 000 MHz
Wide band Properties
11 Feb 2011 18:24:16
1: 0. 0000 dB
0. 000 000 MHz
REF -22.16 dB
SPAN
CH1 S21
LOG
10 dB/
11 Feb 2011 18:28:43
1: 0. 0000 dB
0. 000 000 MHz
REF -23.52 dB
*
BW:
1
CH1 Markers
REF=1
2:-22 . 835 dB
89. 3000 MHz
CH1 Markers
REF=1
4. 298252 MHz
Cor
cent : 142 . 475047 MHz
2
Q: 33. 147
3:-19 . 090 dB
117 . 400 MHz
1
1_loss : -22 . 170 dB
3
2
3
4
CENTER 142 . 500 000 MHz
SPAN 15. 000 000 MHz
START
. 010 000 MHz
Smith Chart(S11 & S22)
CH1 S11
CH2 S22
1 U FS
1 U FS
1: 152. 38
2: 211. 12
-138 . 83
-159 . 13
STOP 500 . 000 000 MHz
SWR(S11 & S22)
11 Feb 2011 18:27:11
8. 0450 pF
142. 500 000 MHz
7. 0185 pF
142. 500 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
11 Feb 2011 18:26:58
1: 5. 7141
142 . 500 000 MHz
2: 6. 7092
142 . 500 000 MHz
REF 5.719
REF 6.698
Cor
Cor
1
2
1
Cor
Cor
CENTER142. 500 000 MHz
SPAN 15. 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
2
CENTER 142 . 500 000 MHz
http://www.itf.co.kr
SPAN 15. 000 000 MHz
[email protected]
2011. 11. 04
Rev 1.0
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