252157B

144.0 MHz SAW Filter
Part Number 252157B
1. Features
Typical 1dB bandwidth of 21.4 MHz
High attenuation
Single Ended Operation
Surface Mounted Package (SMD)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Room Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
144.0
-
dB
-
23.5
25.0
1dB Bandwidth
MHz
21.2
21.4
-
3dB Bandwidth
MHz
-
21.9
-
40dB Bandwidth
MHz
-
23.8
24.0
dB
-
0.5
1.0
Group Delay Variation (fo ± 10.6 MHz)
nsec
-
30
80
Absolute Delay
usec
-
1.53
-
dB
50
52
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 10.6 MHz)
Ultimate Rejection
ppm/℃
℃
Temperature Coefficient of Frequency
-72
S1365 Package Dimension
Matching Network Configuration
5
11
13.30±0.2
9
8
11
7
8
9
10
11
6
6
L1
Input
50Ω
7.62±0.1
7
L2
C1
Output
50Ω
C2
1.50±0.1
5
1
2
3
4
5
2.54±0.1
12
1.61±0.2
6.50±0.2
10
12
4
3
2
2.54±0.1
1
0.80±0.1
L1 = 27nH, L2 = 33nH, C1 = 18pF, C2 = 16pF
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]
2015. 02. 26
Rev 1.0
144.0 MHz SAW Filter
Part Number 252157B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
40dB Bandwidth
7 Sep 2010 10:40:30
1: 0. 0000 dB
0. 000 000 MHz
3: . 06960 dB
20. 600 000 MHz
1 dB/ REF -22.9 dB
1 dB/ REF -23.45 dB
CH1 S21
LOG
7 Sep 2010 10:39:41
1: 0. 0000 dB
0. 000 000 MHz
10 dB/ REF -23.19 dB
CH1Markers
REF=1
BW: 21. 435226 MHz
cent : 144. 016675 MHz
Cor
CH1Markers
REF=1
BW: 23. 845558 MHz
1
Cor
cent : 143. 991950 MHz
Q: 6. 7187
2
Q: 6. 0385
1_loss : -23 . 094 dB
1
1_loss : -23 . 170 dB
2
3
4
3
2
CH2Markers
REF=2
mean:-23 . 116 dB
Cor
3
4
s. dev: . 10440 dB
p-p : . 48320 dB
CENTER144. 000 000 MHz
SPAN 26. 000 000 MHz
START 99. 000 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
7 Sep 2010 10:40:43
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 7110 ns
20. 600 000 MHz
1 dB/ REF -22.9 dB
100 ns/ REF 1.513 us
STOP 189. 000 000 MHz
Smith Chart(S11 & S22)
CH1 S11
CH2 S22
1 U FS
1 U FS
1: 6. 1348
2: 8. 4360
-12 . 842
-12 . 488
7 Sep 2010 10:41:32
86. 066 pF
144. 000 000 MHz
88. 502 pF
144. 000 000 MHz
CH1Markers
REF=1
BW: 21. 909000 MHz
cent : 144. 008815 MHz
Cor
Cor
Q: 6. 5730
1_loss : -23 . 094 dB
1
2
3
Smo
CH2Markers
REF=2
mean: 41. 5337 us
2
3
Cor
1
Cor
2
s. dev: 4. 1793 ns
p-p : 22. 888 ns
CENTER144. 000 000 MHz
SPAN 26. 000 000 MHz
CENTER144. 000 000 MHz
Wideband Properties
CH1 S21
LOG
SWR(S11 & S22)
7 Sep 2010 10:42:02
1: 0. 0000 dB
0. 000 000 MHz
10 dB/ REF -24.31 dB
SPAN 90. 000 000 MHz
CH1Markers
REF=1
2:-61 . 984 dB
144. 000 MHz
MARKER 1-1
0 Hz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
7 Sep 2010 10:41:22
1: 8. 7041
144. 000 000 MHz
2: 6. 3096
144. 000 000 MHz
REF 8.703
REF 6.305
Cor
3:-60 . 016 dB
288. 000 MHz
1
1
Cor
3
2
START . 010 000 MHz
2
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
CENTER144. 000 000 MHz
http://www.itf.co.kr
SPAN 90. 000 000 MHz
[email protected]
2015. 02. 26
Rev 1.0
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