253802B

187.5 MHz SAW Filter
Part Number 253802B
1. Features
Typical 1dB bandwidth of 37.6 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : -30 ~ +70℃
℃
Minimum
Typical
Maximum
MHz
-
187.5
-
dB
-
24.5
26.0
1dB Bandwidth
MHz
37.2
37.6
-
3dB Bandwidth
MHz
-
38.2
-
40dB Bandwidth
MHz
-
40.72
41.05
dB
-
0.5
1.2
Group Delay Variation (fo ± 17.5 MHz)
nsec
-
20
50
Absolute Delay
usec
-
1.33
-
dB
50
58
ppm/℃
-
-72
-
dB
40
55
-
Minimum
Typical
Maximum
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 17.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
Relative Attenuation
(fo ± 17.5MHz)±4MHz
Room Temperature : +25℃
℃
Insertion Loss
dB
-
24.5
26.0
Amplitude Ripple (fo ± 18.24 MHz)
dB
-
0.5
1.2
nsec
-
20
50
Group Delay Variation (fo ± 18.24 MHz)
* Input POWER : +10dBm
L1
Input
50Ω
1
5
C1
L2
Output
50Ω
C2
12.7±0.2
2.5±0.2
7.6±0.2
0.45±0.05
5.5max 6.0max
ITF 14A001
253802B
187.5-37.6M
20.3±0.5
12.7±0.5
Matching Schematic
2.5±0.2
D2012 Package Dimension
L1 = 33nH, L2 = 27nH, C1 = 7pF
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]
2014. 02. 04
Rev 1.0
187.5 MHz SAW Filter
Part Number 253802B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
19 Aug 2013 10:58:58
1: 0. 0000 dB
0. 000 000 MHz
3: . 09540 dB
36. 480 000 MHz
REF -23.91 dB
REF -24.39 dB
CH1 S21
LOG
10 dB/
19 Aug 2013 10:57:05
1: 0. 0000 dB
0. 000 000 MHz
REF -24.3 dB
CH1 Markers
REF=1
BW: 37. 614258 MHz
cent : 187. 544412 MHz
Cor
CH1 Markers
REF=1
BW: 40. 718181 MHz
1
C
cent : 187. 529088 MHz
Q: 4. 9860
2
Q: 4. 6055
1_loss : -24 . 173 dB
1
1_loss : -24 . 376 dB
2
3
4
3
2
CH2 Markers
REF=2
mean:-24 . 155 dB
Cor
3
4
s. dev : . 10330 dB
p-p : . 48620 dB
START 165. 000 000 MHz
STOP 210. 000 000 MHz
CENTER 187. 500 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
19 Aug 2013 10:59:18
1: 0. 0000 dB
0. 000 000 MHz
3: 4. 0102 ns
36. 480 000 MHz
REF -23.91 dB
REF 1.324 us
SPAN 125. 000 000 MHz
Relative Attenuation
CH1 S21
LOG
10 dB/
19 Aug 2013 10:58:00
1: 0. 0000 dB
0. 000 000 MHz
REF -24.3 dB
CH1 Markers
REF=1
BW: 38. 212686 MHz
cent : 187. 560380 MHz
Cor
CH1 Markers
REF=1
2: . 15760 dB
-17 . 5000 MHz
1
C
Q: 4. 9083
2
3:-64 . 654 dB
-21 . 5000 MHz
4
1_loss : -24 . 164 dB
1
4: . 04520 dB
17. 5000 MHz
2
5:-61 . 247 dB
21. 5000 MHz
3
Smo
Cor
CH2 Markers
REF=2
4 3325 us
mean: 1.
2
3
s. dev : 3. 2792 ns
p-p : 15. 598 ns
5
3
CENTER 187. 500 000 MHz
SPAN 45. 000 000 MHz
CENTER 187. 500 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -23.9 dB
SWR(S11 & S22)
19 Aug 2013 11:01:39
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2:-90 . 067 dB
187. 500 MHz
1
SPAN 125. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
19 Aug 2013 11:00:13
1: 5. 3723
187. 500 000 MHz
2: 7. 8657
187. 500 000 MHz
REF 5.366
REF 7.861
C
3:-86 . 677 dB
375. 000 MHz
1
C
START . 010 000 MHz
2
STOP 600. 000 000 MHz
3
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
2
CENTER 187. 500 000 MHz
http://www.itf.co.kr
SPAN 125. 000 000 MHz
[email protected]
2014. 02. 04
Rev 1.0
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