250308B

140.0 MHz SAW Filter
Part Number 250308B
1. Features
Typical 1dB bandwidth of 2.8 MHz
Single Ended Operation
Dip Package
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
140.0
-
dB
-
23.5
25.5
1dB Bandwidth
MHz
2.8
2.84
-
3dB Bandwidth
MHz
-
3.0
-
40dB Bandwidth
MHz
-
3.63
3.72
dB
-
0.55
1.0
Group Delay Variation (fo ± 1.25 MHz)
nsec
-
200
350
Absolute Delay
usec
-
3.81
-
dB
55
60
-
fo+/- 1.8MHz
dB
30
35
-
fo+/- 2.0MHz
dB
45
55
-
fo+/- 2.4MHz
dB
50
57
-
ppm/℃2
-
-0.03
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 1.25 MHz)
Ultimate Rejection(fo+/-6.4MHz)
Relative Attenuation
Temperature Coefficient of Frequency
5.5m ax 6.0m ax
7.6± 0.2
68 nH
1
5
47 pF
82 nH
Output
50 Ω
43 pF
25.4±0.2
2.5±0.2
Input
50 Ω
0.45±0.05
10A001
A001
ITF 10
250308
250308B
B
140
140-2.8
2.8M
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 250308B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
3dB Bandwidth & Group Delay
6 Oct 2009 11:56:02
CH2 S21
CH4 S21
LOG
LOG
1 dB/
1 dB/
1: 0. 0000 dB
3: . 41760 dB
REF -23 dB
REF -23 dB
6 Oct 2009 11:55:34
0. 000 000 MHz
2. 500 000 MHz
CH2 S21
CH4 S21
LOG
DEL
1 dB/
500 ns/
1: 0. 0000 dB
3: 29. 241 ns
REF -23 dB
REF 4.21 us
0. 000 000 MHz
2. 500 000 MHz
CH2 Markers
REF=1
2. 841917 MHz
BW:
CH2 Markers
REF=1
2. 998801 MHz
BW:
cent : 140. 018410 MHz
cent : 140. 011855 MHz
Q: 49. 269
Q: 46. 689
1_loss : -23 . 158 dB
1
1_loss : -23 . 158 dB
1
2
2
3
3
4
3
2
4
Cor
CH4 Markers
REF=2
mean: -23 . 095 dB
Cor
s. dev : . 10700 dB
Smo
CH4 Markers
REF=2
mean: 3.4 8126 us
2
3
s. dev : 42. 143 ns
p-p : . 53170 dB
p-p : 203. 38 ns
Cor
Cor
START 138 . 250 000 MHz
STOP 141 . 750 000 MHz
2
4
START 138 . 250 000 MHz
STOP 141 . 750 000 MHz
40dB Bandwidth
Attenuation
6 Oct 2009 11:55:02
6 Oct 2009 11:53:56
CH1 S21
LOG
10 dB/
1: 0. 0000 dB
REF -23 dB
0. 000 000 MHz
CH1 S21
CH3 S21
LOG
LOG
10 dB/
10 dB/
1: 0. 0000 dB
1: 0. 0000 dB
REF -23 dB
REF -23 dB
*
*
BW:
1
Cor
2
CH1 Markers
REF=1
2:-37 . 228 dB
-1 . 80000 MHz
CH1 Markers
REF=1
3. 635122 MHz
1
Cor
3:-33 . 904 dB
1. 80000 MHz
cent : 140. 008670 MHz
2
Q: 38. 516
1_loss : -23 . 230 dB
0. 000 000 MHz
0. 000 000 MHz
4:-64 . 385 dB
-2 . 00000 MHz
C2
5:-55 . 752 dB
2. 00000 MHz
3
3
2
4
CH3 Markers
REF=1
2:-59 . 660 dB
-2 . 40000 MHz
3:-56 . 740 dB
2. 40000 MHz
5 3
4:-62 . 500 dB
-6 . 40000 MHz
2
4
CENTER 140 . 000 000 MHz
SPAN 15. 000 000 MHz
5:-64
5 . 593 dB
6. 40000 MHz
4
CENTER 140 . 000 000 MHz
Wideband Properties
SPAN 15. 000 000 MHz
SWR(S11 & S22)
6 Oct 2009 11:56:39
6 Oct 2009 11:58:12
CH1 S21
LOG
10 dB/
1: 0. 0000 dB
REF -23 dB
0. 000 000 MHz
CH1 Markers
REF=1
2:-54 . 255 dB
43. 8000 MHz
1
CH1 S11
CH3 S22
SWR
SWR
1 /
1 /
1: 1. 3616
2: 2. 2137
REF 1
REF 1
140 . 000 000 MHz
140 . 000 000 MHz
Cor
3:-53 . 225 dB
88. 3000 MHz
4:-59 . 004 dB
140. 000 MHz
Cor
5:-59 . 790 dB
280. 000 MHz
1
2
2
3
4
START
. 010 000 MHz
5
STOP 500 . 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 15. 000 000 MHz
[email protected]
2010. 04. 05
Rev 1.0
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