251851B

120.0 MHz SAW Filter
Part Number 251851B
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
-
120.0
-
dB
-
24.0
25.5
1dB Bandwidth
3dB Bandwidth
MHz
MHz
18.05
18.2
-
-
18.7
-
40dB Bandwidth
MHz
-
20.65
20.85
dB
-
0.5
1.0
Group Delay Variation (fo ± 8.77 MHz)
nsec
-
35
80
Absolute Delay
usec
-
1.55
-
dB
50
55
-
ppm/℃
℃
-
-72
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 8.77 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
S1365 Package Dimension
13.30±0.2
12
8
ITF 11A001
251851B
。120-18.2M
1
2
3
56nH
7.62±0.1
7
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
Matching Schematic
11
5
56pF
56nH
7pF
Output
50Ω
12
4
3
2
2.54±0.1
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. 01.24
Rev 1.0
120.0 MHz SAW Filter
Part Number 251851B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
3dB Bandwidth & Group Delay
15 Dec 2009 10:08:43
CH1 S21
CH2 S21
LOG
LOG
1: 0. 0000 dB
3:-. 06570 dB
1 dB/ REF -23.54 dB
1 dB/ REF -23.98 dB
15 Dec 2009 10:09:11
0. 000 000 MHz
17. 540 000 MHz
CH1 S21
CH2 S21
LOG
DEL
1 dB/ REF -23.54 dB
100 ns/ REF 1.512 us
1: 0. 0000 dB
3: 15. 397 ns
0. 000 000 MHz
17. 540 000 MHz
CH1 Markers
REF=1
BW: 18. 209262 MHz
cent : 120. 045635 MHz
Cor
CH1 Markers
REF=1
BW: 18. 699537 MHz
cent : 120. 063146 MHz
Cor
Q: 6. 5926
Q: 6. 4206
1_loss : -23 . 711 dB
1
1_loss : -23 . 708 dB
1
2
2
3
4
3
3
2
CH2 Markers
REF=2
mean:-23 . 739 dB
Cor
START 109. 000 000 MHz
2
Smo
Cor
CH2 Markers
REF=2
4 5514 us
mean: 1.
3
s. dev : . 09720 dB
s. dev : 6. 6856 ns
p-p : . 47420 dB
p-p : 34. 055 ns
STOP 131. 000 000 MHz
CENTER 120. 000 000 MHz
40dB Bandwidth
SPAN 22. 000 000 MHz
Smith Chart
15 Dec 2009 10:10:18
15 Dec 2009 10:07:33
CH1 S21
LOG
10 dB/
REF -23.78 dB
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
1: 3. 3650
2: 13. 017
1 U FS
1 U FS
-7 . 7100
-15 . 467
172. 02 pF
85. 748 pF
120. 000 000 MHz
120. 000 000 MHz
*
CH1 Markers
REF=1
BW: 20. 649804 MHz
1
Cor
Cor
cent : 120. 063728 MHz
2
Q: 5. 8143
1_loss : -23 . 737 dB
1
3
4
2
Cor
START 87. 500 000 MHz
CENTER 120. 000 000 MHz
STOP 152. 500 000 MHz
Wide band Properties
SPAN 65. 000 000 MHz
SWR(S11 & S22)
15 Dec 2009 10:11:25
CH1 S21
LOG
10 dB/
REF -22.69 dB
1: 0. 0000 dB
15 Dec 2009 10:10:09
0. 000 000 MHz
CH1 Markers
REF=1
2:-73 . 087 dB
120. 000 MHz
CH1 S11
CH2 S22
SWR
SWR
20 /
20 /
1: 15. 229
2: 4. 2278
REF 15.27
REF 4.224
120. 000 000 MHz
120. 000 000 MHz
Cor
3:-71 . 536 dB
240. 000 MHz
1
1
Cor
START . 010 000 MHz
2
STOP 400. 000 000 MHz
3
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 120. 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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