250657B

140 MHz SAW Filter
Part Number 250657B
1. Features

Typical 1dB bandwidth of 6.28 MHz

Low-Loss Filter

Single Ended Operation

Ceramic Surface Mount Device(SMD) Package
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -40℃ ~ +85℃
Minimum
Typical
Maximum
MHz
-
140.0
-
dB
-
13.0
15.0
1dB Bandwidth
MHz
5.9
6.28
-
3dB Bandwidth
MHz
-
6.9
-
40dB Bandwidth
MHz
-
9.4
10.0
dB
-
0.3
1.0
Group Delay Variation (fo ± 2.5 MHz)
nsec
-
45
100
Absolute Delay
usec
-
1.04
-
dB
40
45
-
ppm/℃
-
-18
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 2.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
13.0
14.5
Amplitude Ripple (fo ± 2.66 MHz)
dB
-
0.3
1.0
nsec
-
45
100
Group Delay Variation (fo ± 2.66 MHz)
S1365 Package Dimension
13.30±0.2
8
ITF 15A001
250657B
. 140-6.2M
11
12
1
2
3
L1
7.62±0.1
7
7
9
8
Input
50Ω
10
4
5
C1
1.50±0.1
5
5
11
C2
Output
50Ω
11
6
6
2.54±0.1
9
1.61±0.2
6.50±0.2
10
Matching Schematic
L2
12
4
3
2
2.54±0.1
1
0.80±0.1
C1 = 75pF, L1 = 33nH, C2 = 200pF, L2 = 27nH
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]
2015. 12. 22
Rev 1.0
140 MHz SAW Filter
Part Number 250657B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2 S21
CH4 S21
LOG
LOG
40dB Bandwidth
3 Dec 2015 20:31:48
1: 0. 0000dB
0. 000000MHz
3:-. 08350dB
5. 320000MHz
1 dB/ REF -12.6 dB
1 dB/ REF -12.6 dB
CH1 S21
LOG
3 Dec 2015 20:27:44
1: 0. 0000dB
0. 000000MHz
10 dB/ REF -12.6 dB
CH2Markers
REF=1
BW
: 6. 287922
MHz
cent: 140
. 043268
MHz
CH1Markers
REF=1
BW
: 9. 339218
MHz
1
Cor
cent: 140
. 084107
MHz
Q
: 22. 272
2
Q
: 15. 000
1_
loss: -12. 840dB
1
1_
loss: -12. 813dB
2
4
3
3
2
CH4Markers
REF=2
mean
:-12. 834dB
Cor
3
4
s. dev: . 05770dB
p-p: . 23450dB
Cor
CENTER
140
. 000000MHz
SPAN 8. 000000MHz
2
4
CENTER
140
. 000000MHz
3dB Bandwidth & Group Delay
CH2 S21
CH4 S21
LOG
DEL
Smith Chart(S11 & S22)
3 Dec 2015 20:31:25
1: 0. 0000dB
0. 000000MHz
3:-41. 962ns
5. 320000MHz
1 dB/ REF -12.6 dB
100 ns/ REF 1 us
SPAN30. 000000MHz
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 33. 242
2: 45. 197
-5. 4434
-35. 211
3 Dec 2015 20:32:17
208
.85pF
140
. 000000MHz
32.286pF
140
. 000000MHz
CH2Markers
REF=1
BW
: 6. 903226
MHz
cent: 140
. 062914
MHz
Cor
Q
: 20. 289
1_
loss: -12. 846dB
1
Cor
2
3
2
1
4
Cor
CH4Markers
REF=2
mean
: 1.40405us
3
Smo
2
s. dev: 7. 3423ns
p-p: 44. 537ns
Cor
CENTER
140
. 000000MHz
SPAN 8. 000000MHz
2
CENTER
140
.000000MHz
Wide band Properties
CH1 S21
LOG
10 dB/ REF -12.6 dB
SWR(S11 & S22)
3 Dec 2015 20:33:49
1: 0. 0000dB
0. 000000MHz
CH1Markers
REF=1
2:-43. 730dB
140
. 000MHz
1
SPAN30. 000000MHz
CH1 S11
CH3 S22
SWR
SWR
2 /
2 /
3 Dec 2015 20:32:57
1: 1. 5355
140
. 000000MHz
2: 2. 0785
140
. 000000MHz
REF 0
REF 0
Cor
Cor
1
2
2
START. 010000MHz
STOP
1 000
. 000000MHz
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
140
. 000000MHz
http://www.itf.co.kr
SPAN30. 000000MHz
[email protected]
2015. 12. 22
Rev 1.0
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