140.0 MHz SAW Filter
Part Number
251302B
1. Features
Typical 1dB bandwidth of 13.0 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 ± 6.4MHz)
Group Delay Variation (fo ± 6.4MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Out of Band Gain
@BW Edge ± 400KHz
@BW Edge: 6.5 MHz
Minimum
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
℃
dB
-
-
12.95
-
-
-
-
-
45
Typical
140 .0
28.0
13.01
13.17
13.8
0.6
80
4.96
50
-18
Maximum
-
29.5
-
-
-
1.0
150
-
-
-
-
26
38
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
25.4±0.2
1
5
33nH
Output
50
Ω
ITF 11A001
251302B
140-13.0M
62pF
47pF
35.1±0.5
0.45±0.05
2.5±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
2011. 01. 24
Rev 1.0
140.0 MHz SAW Filter
Part Number
251302B
3. Typical Performance ( at +25℃ )
℃
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/ REF -28.07 dB
1 dB/ REF -28.59 dB
9 Nov 2009 07:07:40
1: 0. 0000 dB
0. 000 000 MHz
3:- . 07330 dB
12. 800 000 MHz
CH1 S21
CH2 S21
3dB Bandwidth & Group Delay
LOG
DEL
1 dB/ REF -28.07 dB
100 ns/ REF 4.912 us
9 Nov 2009 07:08:06
1: 0. 0000 dB
0. 000 000 MHz
3:-27 . 466 ns
12. 800 000 MHz
CH1 Markers
REF=1
BW 13. 010155 MHz
:
Cor
cent : 140. 055902 MHz
Q 10. 765
:
1
2
1_
loss : -28 . 192 dB
1
2
Cor
CH1 Markers
REF=1
BW 13. 170297 MHz
:
cent : 140. 056297 MHz
Q 10. 634
:
1_
loss : -28 . 175 dB
3
4
3
3
Smo
Cor
2
3
CH2 Markers
4 REF=2
mean: 4. 9662 us
s. dev : 12. 498 ns
p-p : 77. 056 ns
2
Cor
CH2 Markers
REF=2
mean:-28 . 243 dB
s. dev : . 11500 dB
p-p : . 58370 dB
CH1
CH2
CENTER 140. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 16. 000 000 MHz
SPAN 16. 000 000 MHz
CH1
CH2
CENTER 140. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 16. 000 000 MHz
SPAN 16. 000 000 MHz
40dB Bandwidth
CH1 S21
LOG
10 dB/ REF -28.6 dB
9 Nov 2009 06:57:46
1: 0. 0000 dB
0. 000 000 MHz
CH1 S21
CH2 S21
*
CH1 Markers
REF=1
BW 13. 806952 MHz
:
Cor
cent : 140. 045523 MHz
2
Q 10. 143
:
1_
loss : -28 . 603 dB
LOG
LOG
Out of Band Gain
10 dB/ REF -28.6 dB
10 dB/ REF -28.61 dB
9 Nov 2009 07:03:05
1: 0. 0000 dB
0. 000 000 MHz
1: 0. 0000 dB
0. 000 000 MHz
*
1
Cor
CH1 Markers
REF=1
2:-35 . 556 dB
-400 . 000 kHz
1
1
3:-62 . 026 dB
-600 . 000 kHz
Hld
Hld
2
3
4
Cor
2
CH2 Markers
REF=1
2:-41 . 270 dB
400. 000 kHz
3:-50 . 739 dB
600. 000 kHz
3
3
Hld
CENTER 140. 000 000 MHz
SPAN 45. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 45. 000 000 MHz
Wide band Properties
CH1 S21
LOG
10 dB/ REF -28.37 dB
9 Nov 2009 07:12:15
1: 0. 0000 dB
0. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
SWR(S11 & S22)
5 /
5 /
REF 1.196
REF 2.866
9 Nov 2009 07:09:16
1: 1. 1954
140. 000 000 MHz
2: 2. 8701
140. 000 000 MHz
1
CH1 Markers
REF=1
2:-59 . 028 dB
160. 000 MHz
3:-57 . 239 dB
320. 000 MHz
Cor
1
Cor
2
3
2
START . 010 000 MHz
STOP 500. 000 000 MHz
CENTER 140. 000 000 MHz
SPAN 45. 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
2011. 01. 24
Rev 1.0
