252351B

155.0 MHz SAW Filter
Part Number 252351B
1. Features

Typical 1dB bandwidth of 21.95 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -10℃ ~ +70℃
Minimum
Typical
Maximum
MHz
-
155.0
-
dB
-
10.0
12.5
1dB Bandwidth
MHz
21.4
21.95
-
3dB Bandwidth
MHz
-
23.26
-
40dB Bandwidth
MHz
-
28.3
28.8
dB
-
0.3
1.0
Group Delay Variation (fo ± 9.5 MHz)
nsec
-
35
70
Absolute Delay
usec
-
0.86
0.9
dB
40
45
-
ppm/℃
-
-86
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 9.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
10.0
12.0
Amplitude Ripple (fo ± 10.05 MHz)
dB
-
0.3
1.0
nsec
-
35
70
Group Delay Variation (fo ± 10.05 MHz)
S1365 Package Dimension
13.30±0.2
8
7.62±0.1
7
ITF 12A001
252351B
. 155-21.9M
11
12
1
2
3
7
9
8
10
6
22pF
11
6
1.50±0.1
5
5
4
2.54±0.1
9
1.61±0.2
6.50±0.2
10
Matching Schematic
11
I nput
50Ω
5
C1
Output
50Ω
12
27nH
4
3
2
2.54±0.1
1
L1
L2
18nH
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]
2012. 11. 13
Rev 1.0
155.0 MHz SAW Filter
Part Number 252351B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
3dB Bandwidth & Group Delay
4 Oct 2012 13:56:47
1: 0. 0000 dB
0. 000 000 MHz
3: - . 26700 dB
20 . 100 000 MHz
REF -9.9 dB
REF -9.9 dB
CH2
CH4
S21
S21
LOG
DEL
1 dB/
100 ns/
4 Oct 2012 13:56:20
1: 0. 0000 dB
0. 000 000 MHz
3: -29 . 428 ns
20 . 100 000 MHz
REF -9.9 dB
REF 835 ns
CH2 Markers
REF=1MHz
22 . 016212
BW:
cent : 155 . 010520
CH2 Markers
REF=1MHz
23 . 310011
BW:
MHz
cent : 155 . 117412
Q: 7. 0407
1_loss : -10 . 033 dB
1
2
3
4
4
3
3
2
2
PRm
CH4 Markers
mean : -10 REF=2
. 018 dB
s. dev : . 05120
dB
p-p : . 29720
dB
Cor
CH4 Markers
REF=2
mean : 4856
. 54 ns
3
s. dev : 4. 1984 ns
Smo
p-p : 30 . 327 ns
Cor
CENTER 155 . 000 000 MHz
SPAN
2
4
28 . 000 000 MHz
CENTER 155 . 000 000 MHz
40dB Bandwidth
CH1
1_loss : -10 . 027 dB
1
2
PRm
MHz
Q: 6. 6545
S21
LOG
10 dB/
28 . 000 000 MHz
2
Smith Chart(S11 & S22)
4 Oct 2012 13:56:29
1: 0. 0000 dB
0. 000 000 MHz
REF -9.9 dB
SPAN
PRm
BW:
1
CH1 S11
CH3 S22
CH1 Markers
REF=1MHz
28 . 102220
cent : 155 . 448538
1 U FS
1 U FS
1: 82. 066
2: 40. 025
23. 137
-16 . 715
4 Oct 2012 13:57:02
23. 757 nH
155. 000 000 MHz
61. 431 pF
155. 000 000 MHz
PRm
MHz
Q: 5. 5315
2
1_loss : -10 . 021 dB
Cor
Cor
1
2
3
4
CENTER 155 . 000 000 MHz
SPAN
80 . 000 000 MHz
CENTER 155. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
4 Oct 2012 13:57:53
1: 0. 0000 dB
0. 000 000 MHz
REF -9.9 dB
SPAN 80. 000 000 MHz
CH1 Markers
REF=1
2: -38 . 520 dB
155 . 000 MHz
PRm
1
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
4 Oct 2012 13:57:21
1: 1. 8372
155 . 000 000 MHz
2: 1. 5391
155 . 000 000 MHz
REF 0
REF 0
PRm
3: -34 . 867 dB
310 . 000 MHz
4: -65 . 133 dB
465 . 000 MHz
5: -56 . 021 dB
620 . 000 MHz
Cor
1
3
2
2
5
4
START
. 010 000 MHz
STOP 800 . 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 155 . 000 000 MHz
http://www.itf.co.kr
SPAN
[email protected]
80 . 000 000 MHz
2012. 11. 13
Rev 1.0
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