125.0 MHz SAW Filter
Part Number
251156B
1. Features
Typical 1dB bandwidth of 10.85 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 5.14 MHz)
Group Delay Variation (fo ± 5.14 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
℃
Minimum
-
-
10.7
-
-
-
-
-
50
-
Typical
125.0
24.0
10.85
11.32
13.3
0.55
40
2.07
55
-18
Maximum
-
26.0
-
-
13.4
1.0
100
-
-
-
S1365 Package Dimension
Matching Schematic
13.30±0.2
10
9
8
7
7
7.62±0.1
8
9
10
100nH
11
11
5
120nH
Output
50
Ω
6.50±0.2
11
12
1.61±0.2
2.54±0.1
ITF 10A001
251156B
125-10.8M
1
2
3
4
6
6
1.50±0.1
Input
50
Ω
5
5
12
120nH
100nH
4
3
2
2.54±0.1
1
0.80±0.1
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al
2
O
3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
Input
Output
11
5
Ground
Others
6,12
Ground
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
http://www.itf.co.kr
sales@itf.co.kr
2010. 09.14
Rev 1.0
125.0 MHz SAW Filter
Part Number
251156B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -23.55 dB
REF -24.06 dB
10 Jun 2010 15:53:21
1: 0. 0000 dB
0. 000 000 MHz
3: . 19910 dB
10. 280 000 MHz
CH1 S21
CH2 S21
3dB Bandwidth & Group Delay
LOG
DEL
1 dB/
100 ns/
REF -23.55 dB
REF 2.039 us
10 Jun 2010 15:53:44
1: 0. 0000 dB
0. 000 000 MHz
3: 9. 4078 ns
10. 280 000 MHz
PRm
CH1 Markers
REF=1
BW 10. 872375 MHz
:
cent : 125. 041351 MHz
Q 11. 501
:
1_loss : -23 . 843 dB
1
2
PRm
CH1 Markers
REF=1
BW 11. 315865 MHz
:
cent : 125. 034851 MHz
Q 11. 050
:
1_loss : -23 . 843 dB
1
2
Cor
Cor
3
3
PRm
2
Cor
4
3
PRm
CH2 Markers
REF=2
mean: -23 . 846 dB
s. dev : . 10640 dB
p-p : . 50050 dB
Smo
Cor
3
2
CH2 Markers
REF=2
mean: 2. 0699 us
4
s. dev : 7. 6624 ns
p-p : 40. 964 ns
CENTER 125. 000 000 MHz
SPAN 13. 000 000 MHz
CENTER 125. 000 000 MHz
SPAN 13. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/
REF -23.78 dB
10 Jun 2010 15:52:17
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
LOG
10 dB/
50dB Bandwidth
REF -23.78 dB
10 Jun 2010 15:52:26
1: 0. 0000 dB
0. 000 000 MHz
1
C
2
CH1 Markers
REF=1
BW 13. 297854 MHz
:
C
cent : 125. 038857 MHz
Q 9. 4029
:
1_loss : -23 . 739 dB
1
2
CH1 Markers
REF=1
BW 13. 503402 MHz
:
cent : 125. 019266 MHz
Q 9. 2584
:
1_loss : -23 . 739 dB
3
4
3
4
START 106. 000 000 MHz
STOP 144. 000 000 MHz
START 106. 000 000 MHz
STOP 144. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -24.03 dB
10 Jun 2010 15:55:29
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
*
PRm
SWR
SWR
2 /
2 /
SWR(S11 & S22)
REF 2.647
REF 1.747
10 Jun 2010 15:54:21
1: 2. 6475
125. 000 000 MHz
2: 1. 7475
125. 000 000 MHz
CH1 Markers
REF=1
2:-65 . 125 dB
125. 000 MHz
3:-66 . 096 dB
250. 000 MHz
Cor
1
1
PRm
Cor
2
2
START . 010 000 MHz
3
STOP 500. 000 000 MHz
CENTER 125. 000 000 MHz
SPAN 38. 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
http://www.itf.co.kr
sales@itf.co.kr
2010. 09.14
Rev 1.0
Microchip MCU
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