252953B

140.0 MHz SAW Filter
Part Number 252953B
1. Features

Typical 1dB bandwidth of 28.7 MHz

Low-Loss Filter

Single Ended Operation

Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -30℃ ~ +85℃
Minimum
Typical
Maximum
MHz
-
140.0
-
dB
-
12.5
14.5
1dB Bandwidth
MHz
28.3
28.7
-
3dB Bandwidth
MHz
-
29.8
-
40dB Bandwidth
MHz
-
35.7
36.2
dB
-
0.55
1.0
Group Delay Variation (fo ± 12.8 MHz)
nsec
-
40
80
Absolute Delay
usec
-
0.68
-
dB
40
45
-
ppm/℃
-
-86
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 12.8 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Room Temperature : +25℃
Insertion Loss
dB
-
12.5
14.0
Amplitude Ripple (fo ± 13.5 MHz)
dB
-
0.55
1.0
nsec
-
40
80
Group Delay Variation (fo ± 13.5 MHz)
S1365 Package Dimension
13.30±0.2
12
8
ITF 13A001
252953B
. 140-28.7M
1
2
3
C1
7.62±0.1
7
4
7
9
8
I nput
50Ω
10
5
L2
Output
50Ω
C2
L1
1.50±0.1
5
5
11
11
6
6
2.54±0.1
11
9
1.61±0.2
6.50±0.2
10
Matching Schematic
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 56nH, C1 = 270pF, L2 = 33nH, C2 = 62pF
Pin Configuration
Dimensions shown are nominal in millimeters
Body : Al2O3
Lid : Kovar, Ni Plated
Termination : Au plating 0.3 ~ 1.0um, over a 1.27 ~ 8.89um Ni Plating
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
11
Ground
6, 12
Output
5
Others
Ground
http://www.itf.co.kr
[email protected]
2013. 05. 03
Rev 1.0
140.0 MHz SAW Filter
Part Number 252953B
3. Typical Performance ( at +25℃ )
1dB Bandwidth & Ripple
CH2
CH4
S21
S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
24 Apr 2013 15:54:07
1: 0. 0000 dB
0. 000 000 MHz
3: - . 09700 dB
27 . 000 000 MHz
REF -12 dB
REF -12 dB
CH1
S21
LOG
10 dB/
CH2 Markers
REF=1
28 . 643320 MHz
BW:
cent : 139 . 706068
MHz
24 Apr 2013 15:53:31
1: 0. 0000 dB
0. 000 000 MHz
REF -12 dB
BW:
1
Cor
Q: 4. 8774
CH1 Markers
REF=1
35 . 453610 MHz
cent : 140 . 406161
2
MHz
Q: 3. 9603
1_loss : -12 . 183 dB
1
1_loss : -12 . 180 dB
2
4
3
3
2
CH4 Markers
REF=2
mean : -12 . 184 dB
Cor
s. dev : . 08040
dB
p-p : . 47670
dB
3
4
Cor
CENTER 140 . 000 000 MHz
SPAN
36 . 000 000 MHz
2
4
CENTER 140 . 000 000 MHz
3dB Bandwidth & Group Delay
CH2
CH4
S21
S21
LOG
DEL
1 dB/
100 ns/
Smith Chart(S11 & S22)
24 Apr 2013 15:53:57
1: 0. 0000 dB
0. 000 000 MHz
3: -21 . 362 ns
27 . 000 000 MHz
REF -12 dB
REF 648 ns
BW:
SPAN 110 . 000 000 MHz
CH1 S11
CH3 S22
1 U FS
1 U FS
1: 38. 355
2: 26. 229
-40 . 670
-3 . 4375
24 Apr 2013 15:54:22
27. 952 pF
140. 000 000 MHz
330. 71 pF
140. 000 000 MHz
CH2 Markers
REF=1
29 . 808328 MHz
cent : 139 . 857426
MHz
Cor
Q: 4. 6919
1_loss : -12 . 182 dB
1
Cor
2
3
2
2
4
CH4 Markers
REF=2
mean 4
: 681 . 21 ns
3
Cor
Smo
1
s. dev : 5. 7151 ns
p-p : 40 . 372 ns
Cor
CENTER 140 . 000 000 MHz
SPAN
36 . 000 000 MHz
2
CENTER 140. 000 000 MHz
Wide band Properties
CH1
S21
LOG
10 dB/
SWR(S11 & S22)
24 Apr 2013 15:55:34
1: 0. 0000 dB
0. 000 000 MHz
REF -12 dB
SPAN 110. 000 000 MHz
1
CH1 Markers
REF=1
2: -66 . 938 dB
140 . 000 MHz
CH1
CH3
S11
S22
SWR
SWR
10 /
10 /
24 Apr 2013 15:54:54
1: 2. 5371
140 . 000 000 MHz
2: 1. 9173
140 . 000 000 MHz
REF 0
REF 0
Cor
3: -53 . 794 dB
280 . 000 MHz
4: -68 . 056 dB
420 . 000 MHz
Cor
5: -71 . 033 dB
560 . 000 MHz
1
2
3
2
START
. 010 000 MHz
4
5
STOP 800 . 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 110 . 000 000 MHz
[email protected]
2013. 05. 03
Rev 1.0
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