140.0 MHz SAW Filter
Part Number
250801B
1. Features
Typical 1dB bandwidth of 8.06 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 ± 3.9 MHz)
Group Delay Variation (fo ± 3.9 MHz)
Absolute Delay
Ultimate Rejection
Relative attenuation
fo ± 4.4 MHz
fo ± 9.0 MHz
Temperature Coefficient of Frequency
dB
dB
ppm/℃
℃
-
-
-
40
50
-18
-
-
-
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
Minimum
-
-
8.0
-
-
-
-
-
45
Typical
140.0
27.5
8.06
8.2
8.8
0.6
100
4.88
50
Maximum
-
29.0
-
-
8.9
1.0
150
-
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
33nH
Input
50
Ω
1
5
33nH
Output
50
Ω
ITF 10A001
250801B
140-8.0M
36pFH
39pF
35.1±0.5
0.45±0.05
2.5±0.2
25.4±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. 03. 12
Rev 1.0
140.0 MHz SAW Filter
Part Number
250801B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/ REF -27.09 dB
1 dB/ REF -27.55 dB
17 Jul 2008 15:35:28
1: 0. 0000 dB
0. 000 000 MHz
3: . 32090 dB
7. 800 000 MHz
CH1 S21
CH2 S21
3dB Bandwidth & Group Delay
LOG
DEL
1 dB/ REF -27.09 dB
200 ns/ REF 4.838 us
17 Jul 2008 15:35:38
1: 0. 0000 dB
0. 000 000 MHz
3:-34 . 484 ns
7. 800 000 MHz
CH1 Markers
BW
:
Cor
8. 065245 MHz
REF=1
Cor
CH1 Markers
BW
:
8. 191915 MHz
REF=1
cent : 140. 020310 MHz
Q 17. 361
:
1_
loss : -27 . 524 dB
1
2
cent : 140. 014136 MHz
Q 17. 092
:
1_
loss : -27 . 506 dB
1
2
3
3
4
3
2
Cor
CH2 Markers
mean:-27 . 312 dB
s. dev : . 14170 dB
p-p : . 59580 dB
Smo
Cor
3
2
4
CH2 Markers
mean: 4. 8890 us
s. dev : 18. 417 ns
p-p : 98. 724 ns
REF=2
REF=2
CENTER 140. 000 000 MHz
SPAN 10. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 10. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/
REF -27.38 dB
17 Jul 2008 15:33:14
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
CH2 S21
*
CH1 Markers
Cor
1
2
BW
:
8. 789055 MHz
LOG
LOG
Relative attenuation
10 dB/
10 dB/
REF -27.54 dB
REF -27.54 dB
17 Jul 2008 15:34:35
2: 0. 0000 dB
0. 000 000 MHz
2: 0. 0000 dB
0. 000 000 MHz
*
REF=1
CH1 Markers
Cor
2
1
2
1: . 84540 dB
4. 00000 MHz
3:-40 . 997 dB
-400 . 000 kHz
4:-65 . 139 dB
-5 . 00000 MHz
REF=2
cent : 140. 000266 MHz
Q 15. 929
:
1_
loss : -27 . 543 dB
Hld
Hld
3
4
Cor
3
3
CH2 Markers
1: . 18030 dB
-4 . 00000 MHz
4
3:-41 . 167 dB
400. 000 kHz
REF=2
4
Hld
4:-59 . 187 dB
5. 00000 MHz
CENTER 140. 000 000 MHz
SPAN 23. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 23. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/
REF -28.16 dB
17 Jul 2008 15:37:44
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
1 /
1 /
SWR(S11 & S22)
REF 2.553
REF 2.104
17 Jul 2008 15:36:14
1: 2. 5503
140. 000 000 MHz
2: 2. 1040
140. 000 000 MHz
CH1 Markers
2:-69 . 024 dB
140. 000 MHz
1
3:-49 . 078 dB
280. 000 MHz
REF=1
Cor
1
Cor
2
3
START . 010 000 MHz
2
STOP 500. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 23. 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. 03. 12
Rev 1.0
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