250421B

140.0 MHz SAW Filter
Part Number 250421B
1. Features
Typical 2dB bandwidth of 4.2 MHz
Single Ended Operation
Dip Package
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
140.0
-
dB
-
24.5
26.5
2dB Bandwidth
MHz
4.16
4.19
-
3dB Bandwidth
MHz
-
4.27
-
25dB Bandwidth
MHz
-
4.91
5.0
40dB Bandwidth
MHz
-
5.08
-
dB
-
0.5
1.0
Group Delay Variation (fo ± 1.9 MHz)
nsec
-
125
230
Absolute Delay
usec
-
3.08
-
dB
50
54
-
ppm/℃2
-
-0.03
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 1.9 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
5.5m ax 6.0m ax
7.6± 0.2
100 nH
1
5
39 pF
100 nH
Output
50 Ω
51 pF
25.4±0.2
2.5±0.2
Input
50 Ω
0.45±0.05
10A001
A001
ITF 10
250421
250421B
B
140
140-4.2
4.2M
M
35.1±0.5
12.8± 0.5
Matching Schematic
2.5±0.2
D3512 Package Dimension
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
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
1
Ground
2,4
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2010. 04. 05
Rev 1.0
140.0 MHz SAW Filter
Part Number 250421B
3. Typical Performance ( at +25℃
℃)
2dB Bandwidth & Ripple
CH2 S21
CH4 S21
LOG
LOG
1 dB/
1 dB/
3dB Bandwidth & Group Delay
7 Jan 2010 03:52:48
1: 0. 0000 dB
0. 000 000 MHz
3: . 13290 dB
3. 800 000 MHz
REF -24.6 dB
REF -24.6 dB
BW:
CH2 S21
CH4 S21
LOG
DEL
1 dB/
200 ns/
7 Jan 2010 03:52:39
1: 0. 0000 dB
0. 000 000 MHz
3:-15 . 411 ns
3. 800 000 MHz
REF -24.6 dB
REF 3.23 us
CH2 Markers
REF=1
4. 182373 MHz
BW:
cent : 140. 001181 MHz
CH2 Markers
REF=1
4. 267080 MHz
cent : 140. 000835 MHz
Q: 33. 474
Q: 32. 810
1_loss : -24 . 631 dB
1
1_loss : -24 . 618 dB
1
2
2
3
3
4
4
3
2
Cor
2
CH4 Markers
REF=2
mean:-24 . 801 dB
Cor
s. dev : . 09770 dB
Smo
CH4 Markers
4 REF=2
mean: 3. 0888 us
3
s. dev : 28. 602 ns
p-p : . 38750 dB
p-p : 116. 12 ns
Cor
Cor
CENTER 140. 000 000 MHz
SPAN
5. 000 000 MHz
2
4
CENTER 140. 000 000 MHz
25dB & 40dB Bandwidth
CH1 S21
CH3 S21
LOG
LOG
10 dB/
10 dB/
BW:
CH1 S21
LOG
10 dB/
CH1 Markers
REF=1
4. 905354 MHz
CH1 Markers
REF=1
2:-65 . 016 dB
88. 3000 MHz
1
Q: 28. 539
2
2
7 Jan 2010 03:54:45
1: 0. 0000 dB
0. 000 000 MHz
REF -24.6 dB
cent : 139. 994308 MHz
1
Cor
5. 000 000 MHz
Wide band Properties
7 Jan 2010 03:52:31
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
REF -24.6 dB
REF -24.6 dB
SPAN
3:-67 . 535 dB
140. 000 MHz
1_loss : -24 . 589 dB
4:-60 . 906 dB
280. 000 MHz
Cor
3
4
3
4
BW:
CH3 Markers
REF=1
5. 086896 MHz
cent : 139. 992029 MHz
Q: 27. 520
1_loss : -24 . 589 dB
4
2
3
CENTER 140. 000 000 MHz
SPAN 20. 000 000 MHz
START
. 010 000 MHz
Smith Chart
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 43. 844
2: 93. 816
18. 607
3. 5664
STOP 500. 000 000 MHz
SWR(S11 & S22)
7 Jan 2010 03:53:20
21. 153 nH
140 . 000 000 MHz
4. 0544 nH
140 . 000 000 MHz
Cor
CH1 S11
CH3 S22
SWR
SWR
1 /
1 /
7 Jan 2010 03:53:27
1: 1. 5150
140 . 000 000 MHz
2: 1. 8782
140 . 000 000 MHz
REF 1
REF 1
Cor
Cor
Cor
1
1
2
2
CENTER 140. 000 000 MHz
SPAN 20. 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 140. 000 000 MHz
http://www.itf.co.kr
SPAN 20. 000 000 MHz
[email protected]
2010. 04. 05
Rev 1.0
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