252608B

187.5 MHz SAW Filter
Part Number 252608B
1. Features
Typical 1dB bandwidth of 26.3 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
-
28.5
30.0
1dB Bandwidth
MHz
26.0
26.38
-
3dB Bandwidth
MHz
-
26.91
-
40dB Bandwidth
MHz
-
29.24
29.6
dB
-
0.45
1.2
Group Delay Variation (fo ± 12.5 MHz)
nsec
-
15
60
Absolute Delay
usec
-
1.97
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 12.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
dB
50
60
ppm/℃
-
-18
dBc
40
60
Minimum
Typical
Maximum
-
28.5
30.0
dB
-
0.45
1.2
nsec
-
15
60
-
Relative Attenuation
(fo ± 12.5 MHz) ± 3.0 MHz
Room Temperature : +25℃
℃
Insertion Loss
dB
Amplitude Ripple (fo ± 12.69 MHz)
Group Delay Variation (fo ± 12.69 MHz)
Input POWER : +10dBm
12.7±0.5
5.5max 6.0max
Matching Schematic
7.6±0.2
2.5±0.2
D2012 Package Dimension
L1
Input
50Ω
1
5
Output
50Ω
C2
12.7±0.2
2.5±0.2
0.45±0.05
ITF 14A001
252608B
187.5-26.3M
20.3±0.5
C1
L2
L1 =39nH, L2 = 33nH, C1 = 43pF, C2 = 33pF
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 252608B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
19 Aug 2013 12:15:53
1: 0. 0000 dB
0. 000 000 MHz
3:- . 07830 dB
25. 380 000 MHz
REF -28.07 dB
REF -28.41 dB
CH1 S21
LOG
10 dB/
19 Aug 2013 12:13:59
1: 0. 0000 dB
0. 000 000 MHz
REF -28.67 dB
CH1 Markers
REF=1
BW: 26. 382558 MHz
cent : 187. 419340 MHz
Cor
CH1 Markers
REF=1
BW: 29. 244577 MHz
1
C
cent : 187. 411495 MHz
Q: 7. 1039
2
Q: 6. 4084
1_loss : -28 . 374 dB
1
1_loss : -28 . 665 dB
2
3
4
3
2
CH2 Markers
REF=2
mean:-28 . 261 dB
Cor
3
4
s. dev : . 07400 dB
p-p : . 35770 dB
CENTER 187. 500 000 MHz
SPAN 32. 000 000 MHz
CENTER 187. 500 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
50 ns/
Relative Attenuation
19 Aug 2013 12:16:09
1: 0. 0000 dB
0. 000 000 MHz
3: 3. 5166 ns
25. 380 000 MHz
REF -28.07 dB
REF 1.961 us
SPAN 90. 000 000 MHz
CH1 S21
LOG
10 dB/
19 Aug 2013 12:14:35
1: 0. 0000 dB
0. 000 000 MHz
REF -28.67 dB
CH1 Markers
REF=1
BW: 26. 916412 MHz
cent : 187. 422230 MHz
Cor
CH1 Markers
REF=1
2: . 41500 dB
-12 . 5000 MHz
1
C
Q: 6. 9631
2
3:-64 . 883 dB
-15 . 5000 MHz
4
1_loss : -28 . 359 dB
1
4: . 30670 dB
12. 5000 MHz
2
5:-62 . 134 dB
15. 5000 MHz
3
Smo
Cor
CH2 Markers
REF=2
mean: 41. 9758 us
2
3
s. dev : 3. 4365 ns
p-p : 15. 164 ns
5
3
CENTER 187. 500 000 MHz
SPAN 32. 000 000 MHz
CENTER 187. 500 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
REF -28.34 dB
SWR(S11 & S22)
19 Aug 2013 12:18:17
1: 0. 0000 dB
0. 000 000 MHz
CH1 Markers
REF=1
2:-72 . 333 dB
187. 500 MHz
1
SPAN 90. 000 000 MHz
CH1 S11
CH2 S22
SWR
SWR
10 /
10 /
19 Aug 2013 12:17:42
1: 1. 5269
187. 500 000 MHz
2: 2. 7318
187. 500 000 MHz
REF 1.523
REF 2.732
Cor
3:-71 . 297 dB
375. 000 MHz
1
Cor
3
2
START . 010 000 MHz
2
STOP 600. 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 187. 500 000 MHz
http://www.itf.co.kr
SPAN 90. 000 000 MHz
[email protected]
2014. 02. 04
Rev 1.0
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