251671B

185.0 MHz SAW Filter
Part Number251671B
1. Features
Typical 1dB bandwidth of 15.5 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Minimum
Typical
Maximum
Operating Temperature : 0℃
℃ ~ 80℃
℃
Center Frequency (fo)
MHz
Insertion Loss
dB
1dB Bandwidth
MHz
3dB Bandwidth
MHz
25dB Bandwidth
MHz
40dB Bandwidth
MHz
Amplitude Ripple (fo ± 7.25 MHz)
dB
Group Delay Variation (fo ± 7.25 MHz)
nsec
Absolute Delay
usec
Ultimate Rejection
dB
Temperature Coefficient of Frequency
ppm/℃
℃
Room Temperature : +25℃
℃
15.35
40
27.5
18.2
1.2
80
Minimum
185.0
25.5
15.57
16.03
17.48
17.9
0.45
50
1.30
45
-18
Typical
Maximum
-
Insertion Loss
dB
-
25.5
27.5
Amplitude Ripple (fo ± 7.38 MHz)
dB
-
0.45
1.2
nsec
-
50
80
Group Delay Variation (fo ± 7.38 MHz)
S1365 Package Dimension
13.30±0.2
8
7
ITF 12A001
251671B
。185-15.5M
12
1
2
3
4
7
8
9
10
11
6
6
11
5
C1
L2
Output
50 Ω
C2
1.50±0.1
5
5
2.54±0.1
11
9
L1
Input
50 Ω
7.62±0.1
1.61±0.2
6.50±0.2
10
Matching Schematic
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 18nH, L2 = 39nH
C1 = 30pF, C2 = 39pF
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Pla
ted
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]
2013. 05. 13
Rev 1.1
185.0 MHz SAW Filter
Part Number251671B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
18 Sep 2012 15:16:42
1: 0. 0000 dB
0. 000 000 MHz
3: . 03640 dB
14. 760 000 MHz
REF -25.2 dB
REF -25.61 dB
CH1 S21
LOG
10 dB/
18 Sep 2012 15:15:16
1: 0. 0000 dB
0. 000 000 MHz
REF -25.38 dB
CH1 Markers
REF=1
BW: 15. 571751 MHz
cent : 185. 020064 MHz
Cor
CH1 Markers
REF=1
BW: 17. 900417 MHz
1
Cor
cent : 184. 998807 MHz
Q: 11. 882
2
Q: 10. 335
1_loss : -25 . 310 dB
1
1_loss : -25 . 361 dB
2
3
4
CH2 Markers
3 REF=2
mean:-25 . 389 dB
Cor
3
4
s. dev : . 10540 dB
2
p-p : . 43030 dB
CENTER 185. 000 000 MHz
CENTER 185. 000 000 MHz
SPAN 18. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
18 Sep 2012 15:17:14
1: 0. 0000 dB
0. 000 000 MHz
3:-9 . 0281 ns
14. 760 000 MHz
REF -25.2 dB
REF 1.282 us
SPAN 55. 000 000 MHz
15dB Bandwidth & 25dB Bandwidth
CH1 S21
CH3 S21
LOG
LOG
10 dB/
10 dB/
18 Sep 2012 15:16:02
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -25.38 dB
REF -25.35 dB
CH1 Markers
REF=1
BW: 16. 036668 MHz
cent : 185. 016650 MHz
Cor
CH1 Markers
REF=1
BW: 17. 063672 MHz
cent : 185. 005541 MHz
1
Cor
Q: 11. 537
Q: 10. 842
2
1_loss : -25 . 304 dB
1
1_loss : -25 . 368 dB
Cor
2
3
4
3
4
3
2
Smo
Cor
3
CH2 Markers
REF=2
4
mean: 1. 3048 us
CH3 Markers
REF=1
BW: 17. 481468 MHz
s. dev : 11. 565 ns
cent : 185. 001571 MHz
p-p : 47. 641 ns
Q: 10. 583
1_loss : -25 . 368 dB
CENTER 185. 000 000 MHz
SPAN 18. 000 000 MHz
CENTER 185. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -26.74 dB
SPAN 55. 000 000 MHz
SWR(S11 & S22)
18 Sep 2012 15:18:56
1:-26 . 725 dB
185. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
2 /
2 /
18 Sep 2012 15:18:22
1: 5. 9070
185. 000 000 MHz
2: 1. 2596
185. 000 000 MHz
REF 5.908
REF 1.5199
Cor
1
1
Cor
START . 010 000 MHz
STOP1 000. 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 185. 000 000 MHz
http://www.itf.co.kr
SPAN 55. 000 000 MHz
[email protected]
2013. 05. 13
Rev 1.1
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