251670B

125.0 MHz SAW Filter
Part Number 251670B
1. Features
Typical 1dB bandwidth of 16.65MHz
High attenuation
Single Ended Operation
SMD Package
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -30℃
℃ ~ +80℃
℃
Minimum
Typical
Maximum
MHz
-
125.0
-
dB
-
21.5
24.0
1 dB Bandwidth
MHz
16.4
16.65
-
3dB Bandwidth
MHz
-
17.0
-
40dB Bandwidth
MHz
-
18.6
18.8
dB
-
0.65
1.0
Group Delay Variation (fo ± 7.5 MHz)
nsec
-
40
100
Absolute Delay
usec
-
1.76
-
dB
50
55
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 7.5 MHz)
Ultimate Rejection
ppm/℃
℃
Temperature Coefficient of Frequency
-72
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
Insertion Loss
dB
-
21.5
24.0
Amplitude Ripple (fo ± 8.0 MHz)
dB
-
0.65
1.0
nsec
-
40
100
Group Delay Variation (fo ± 8.0 MHz)
10
9
8
Matching Schematic
2.30±0.1
S2098 Package Dimension
20.00±0.2
7
7.62±0.1
6
7
6
8
9
10
9.80±0.2
56nH
ITF 11A001
251670B
125-16.6MHz
1
2
3
4
Input
50 Ω
5
1.02±0.1
5
4
3
2
1
10
5
33pF
39nH
30pF
Output
50 Ω
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
1,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2011. 11. 05
Rev 1.0
125.0 MHz SAW Filter
Part Number 251670B
3. Typical Performance ( at +25℃
℃)
40dB Bandwidth
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
8 Apr 2011 14:52:25
1: 0. 0000 dB
0. 000 000 MHz
3: . 19400 dB
16. 000 000 MHz
REF -21.08 dB
REF -21.67 dB
CH1 S21
LOG
10 dB/
8 Apr 2011 14:51:08
1: 0. 0000 dB
0. 000 000 MHz
REF -21.33 dB
CH1 Markers
REF=1
BW: 16. 651844 MHz
cent : 125. 068311 MHz
Cor
CH1 Markers
REF=1
BW: 18. 615247 MHz
1
Cor
cent : 125. 051462 MHz
Q: 7. 5108
2
Q: 6. 7177
1_loss : -21 . 484 dB
1_loss : -21 . 571 dB
1
2
3
4
3
2
CH2 Markers
REF=2
mean: -21 . 363 dB
Cor
4
3
s. dev : . 13550 dB
p-p : . 65380 dB
CENTER 125. 000 000 MHz
CENTER 125. 000 000 MHz
SPAN 20. 000 000 MHz
50dB Bandwidth
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
8 Apr 2011 14:52:36
1: 0. 0000 dB
0. 000 000 MHz
3: 7. 7057 ns
16. 000 000 MHz
REF -21.08 dB
REF 1.751 us
SPAN 65. 000 000 MHz
CH1 S21
LOG
10 dB/
8 Apr 2011 14:51:14
1: 0. 0000 dB
0. 000 000 MHz
REF -21.33 dB
CH1 Markers
REF=1
BW: 17. 007700 MHz
cent : 125. 067624 MHz
Cor
CH1 Markers
REF=1
BW: 18. 780327 MHz
1
Cor
cent : 125. 052410 MHz
Q: 7. 3536
2
Q: 6. 6587
1_loss : -21 . 484 dB
1_loss : -21 . 571 dB
1
2
3
Smo
Cor
CH2 Markers
REF=2
mean: 1. 7663 us
4
s. dev : 8. 3288 ns
2
3
3
p-p : 41. 122 ns
CENTER 125. 000 000 MHz
SPAN 20. 000 000 MHz
CENTER 125. 000 000 MHz
Smith chart (S11 & S22)
CH1 S11
CH2 S22
1: 14. 428
2: 7. 9373
1 U FS
1 U FS
5. 1421
-3 . 4146
4
SPAN 65. 000 000 MHz
SWR(S11 & S22)
8 Apr 2011 14:53:40
6. 5471 nH
125. 000 000 MHz
372. 89 pF
125. 000 000 MHz
CH1 S11
CH2 S22
*
*
Cor
Cor
SWR
SWR
5 /
5 /
8 Apr 2011 14:53:34
1: 3. 5054
125. 000 000 MHz
2: 6. 3296
125. 000 000 MHz
REF 3.505
REF 6.33
1
1
2
Cor
Cor
CENTER 125. 000 000 MHz
SPAN 65. 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 125. 000 000 MHz
http://www.itf.co.kr
SPAN 65. 000 000 MHz
[email protected]
2011. 11. 05
Rev 1.0
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