145.0 MHz SAW Filter
Part Number
251602B
1. Features
Typical 1dB bandwidth of 15.9 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
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 ± 7.68 MHz)
Group Delay Variation (fo ± 7.68 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
℃
Minimum
-
-
15.7
-
-
-
-
-
50
-
Typical
145.0
25.0
15.88
16.25
17.87
0.45
30
2.55
55
-18
Maximum
-
27.0
-
-
18.0
1.0
80
-
-
-
D2012 Package Dimension
Matching Schematic
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
33nH
Input
50
Ω
1
56nH
5
33nH
Output
50
Ω
ITF 10A001
251602B
145-15.9M
56nH
0.45±0.05
20.3±0.5
2.5±0.2
12.7±0.2
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
Input
Output
1
5
Ground
Others
2,4
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. 04. 05
Rev 1.0
145.0 MHz SAW Filter
Part Number
251602B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
REF -24.75 dB
REF -24.23 dB
15 Apr 2009 02:46:56
1: 0. 0000 dB
0. 000 000 MHz
3: . 04550 dB
15. 360 000 MHz
CH1 S21
CH2 S21
3dB Bandwidth & Group Delay
LOG
DEL
1 dB/
100 ns/
REF -24.75 dB
REF 2.535 us
15 Apr 2009 02:47:09
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 1737 ns
15. 360 000 MHz
CH1 Markers
BW 15. 881134 MHz
:
Cor
cent : 145. 001839 MHz
Q 9. 1304
:
1
2
1_
loss : -24 . 989 dB
REF=1
Cor
CH1 Markers
BW 16. 247883 MHz
:
cent : 144. 996928 MHz
Q 8. 9240
:
1
2
1_
loss : -24 . 981 dB
REF=1
3
3
4
3
2
Cor
CH2 Markers
mean: -24 . 983 dB
s. dev : . 09510 dB
p-p : . 42890 dB
Smo
Cor
3
CH2 Markers
mean: 2. 5526 us
s. dev : 5. 2754 ns
p-p : 27. 771 ns
2
4
REF=2
REF=2
CENTER 145. 000 000 MHz
SPAN 20. 000 000 MHz
CENTER 145. 000 000 MHz
SPAN 20. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/
REF -24.97 dB
15 Apr 2009 02:45:51
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
LOG
10 dB/
50dB Bandwidth
REF -24.97 dB
15 Apr 2009 02:45:56
1: 0. 0000 dB
0. 000 000 MHz
*
CH1 Markers
1
Cor
2
BW 17. 867672 MHz
:
cent : 144. 964052 MHz
Q 8. 1132
:
1_
loss : -24 . 981 dB
REF=1
*
CH1 Markers
1
Cor
2
BW 18. 023573 MHz
:
cent : 144. 944533 MHz
Q 8. 0419
:
1_
loss : -24 . 981 dB
REF=1
Hld
Hld
3
4
3
4
CENTER 145. 000 000 MHz
SPAN 48. 000 000 MHz
CENTER 145. 000 000 MHz
SPAN 48. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -24.26 dB
15 Apr 2009 02:50:27
1: 0. 0000 dB
0. 000 000 MHz
SWR(S11 & S22)
CH1 S11
CH2 S22
SWR
SWR
2 /
2 /
REF 3.809
REF 3.328
15 Apr 2009 02:47:38
1: 3. 8169
145. 000 000 MHz
2: 3. 3289
145. 000 000 MHz
CH1 Markers
2:-64 . 689 dB
145. 000 MHz
1
3:-65 . 399 dB
290. 000 MHz
REF=1
Cor
1
Cor
2
2
START . 010 000 MHz
3
STOP 500. 000 000 MHz
CENTER 145. 000 000 MHz
SPAN 48. 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. 04. 05
Rev 1.0
嵌入式系统
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