231851B

75.0 MHz SAW Filter
Part Number 231851B
1. Features
Typical 1dB bandwidth of 18.2 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
-
75.0
-
dB
-
25.0
26.5
1dB Bandwidth
3dB Bandwidth
MHz
MHz
18.05
18.23
-
-
18.73
-
40dB Bandwidth
MHz
-
20.66
20.85
dB
-
0.5
1.0
Group Delay Variation (fo ± 8.77 MHz)
nsec
-
30
80
Absolute Delay
usec
-
1.62
-
dB
45
48
-
ppm/℃
℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 8.77 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
Matching Schematic
150nH
13.30±0.2
12
8
7.62±0.1
7
ITF 11A001
231851B
。75-18.2M
1
2
3
7
6
6
5
5
8
9
10
11
Input
50Ω
1.50±0.1
4
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
11
5
12pF
180nH
Output
50Ω
12
4
3
2
2.54±0.1
1
0.80±0.1
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. 01.24
Rev 1.0
75.0 MHz SAW Filter
Part Number 231851B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
3dB Bandwidth & Group Delay
15 Dec 2009 06:52:58
CH1 S21
CH2 S21
LOG
LOG
1 dB/ REF -25.09 dB
1 dB/ REF -25.46 dB
1: 0. 0000 dB
3:-. 08490 dB
15 Dec 2009 06:54:50
0. 000 000 MHz
17. 540 000 MHz
CH1 S21
CH2 S21
LOG
DEL
1: 0. 0000 dB
3:-3 . 4363 ns
1 dB/ REF -25.09 dB
100 ns/ REF 1.589 us
0. 000 000 MHz
17. 540 000 MHz
CH1 Markers
REF=1
BW: 18. 231001 MHz
cent :
Cor
74. 972914 MHz
CH1 Markers
REF=1
BW: 18. 738401 MHz
cent :
Cor
74. 970706 MHz
Q: 4. 1124
Q: 4. 0009
1_loss : -25 . 258 dB
1
1_loss : -25 . 249 dB
1
2
2
3
4
3
3
2
CH2 Markers
REF=2
mean:-25 . 272 dB
Cor
CENTER 75. 000 000 MHz
2
Smo
Cor
CH2 Markers
REF=2
mean: 41. 6235 us
3
s. dev : . 09840 dB
s. dev : 6. 1699 ns
p-p : . 47660 dB
p-p : 30. 934 ns
SPAN 22. 000 000 MHz
CENTER 75. 000 000 MHz
40dB Bandwidth
SPAN 22. 000 000 MHz
Smith Chart
15 Dec 2009 06:56:05
15 Dec 2009 06:48:55
CH1 S21
LOG
10 dB/
REF -25.27 dB
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
1: 7. 9231
2: 17. 414
1 U FS
1 U FS
-7 . 1624
-62 . 365
296. 28 pF
34. 026 pF
75. 000 000 MHz
75. 000 000 MHz
*
CH1 Markers
REF=1
BW: 20. 664569 MHz
1
Cor
Cor
cent :
2
74. 928263 MHz
Q: 3. 6259
1_loss : -25 . 272 dB
1
3
4
Cor
2
START 42. 500 000 MHz
CENTER 75. 000 000 MHz
STOP 107. 500 000 MHz
Wide band Properties
SPAN 65. 000 000 MHz
SWR(S11 & S22)
15 Dec 2009 06:56:47
CH1 S21
LOG
10 dB/
REF -24.11 dB
1: 0. 0000 dB
15 Dec 2009 06:55:49
0. 000 000 MHz
CH1 Markers
REF=1
2:-57 . 685 dB
75. 0000 MHz
CH1 S11
CH2 S22
SWR
SWR
20 /
20 /
1: 6. 4556
2: 7. 5359
REF 6.431
REF 7.558
75. 000 000 MHz
75. 000 000 MHz
Cor
3:-64 . 721 dB
150. 000 MHz
1
1
Cor
2
2
START . 010 000 MHz
3
STOP 250. 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 75. 000 000 MHz
http://www.itf.co.kr
SPAN 65. 000 000 MHz
[email protected]
2011. 01.24
Rev 1.0
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