252705B

142.5 MHz SAW Filter
Part Number 252705B
1. Features
Typical 1dB bandwidth of 26.9 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
-
142.5
-
dB
-
22.0
23.5
1dB Bandwidth
MHz
26.6
26.98
-
3dB Bandwidth
MHz
-
27.45
-
40dB Bandwidth
MHz
-
29.46
29.8
dB
-
0.45
1.2
Group Delay Variation (fo ± 12.5 MHz)
nsec
-
25
60
Absolute Delay
usec
-
1.51
-
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 12.5 MHz)
Ultimate Rejection
Temperature Coefficient of Frequency
dB
50
60
ppm/℃
-
-72
dBc
40
60
Minimum
Typical
Maximum
-
22.0
23.5
dB
-
0.45
1.2
nsec
-
25
60
-
Relative Attenuation
(fo ± 12.5 MHz) ± 3.0 MHz
Room Temperature : +25℃
℃
Insertion Loss
dB
Amplitude Ripple (fo ± 13.06 MHz)
Group Delay Variation (fo ± 13.06 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
252705B
142.5-26.9M
20.3±0.5
C1
L2
L1 =47nH, L2 = 47nH, C1 = 15pF, C2 = 22pF
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
142.5 MHz SAW Filter
Part Number 252705B
3. Typical Performance ( at +25℃
℃)
1dB Bandwidth & Ripple
CH1 S21
CH2 S21
LOG
LOG
1 dB/
1 dB/
40dB Bandwidth
19 Aug 2013 13:46:31
1: 0. 0000 dB
0. 000 000 MHz
3: . 02770 dB
26. 120 000 MHz
REF -21.72 dB
REF -22.12 dB
CH1 Markers
REF=1
BW: 26. 983039 MHz
cent : 142. 532993 MHz
Cor
CH1 S21
LOG
10 dB/
19 Aug 2013 13:45:03
1: 0. 0000 dB
0. 000 000 MHz
REF -22.13 dB
*
CH1 Markers
REF=1
BW: 29. 464131 MHz
1
C
cent : 142. 514486 MHz
Q: 5. 2823
2
Q: 4. 8369
1_loss : -22 . 015 dB
1
1_loss : -22 . 094 dB
2
3
4
3
2
CH2 Markers
REF=2
mean:-21 . 940 dB
Cor
3
4
s. dev : . 08570 dB
p-p : . 45560 dB
CENTER 142. 500 000 MHz
SPAN 32. 000 000 MHz
CENTER 142. 500 000 MHz
3dB Bandwidth & Group Delay
CH1 S21
CH2 S21
LOG
DEL
1 dB/
100 ns/
19 Aug 2013 13:47:09
1: 0. 0000 dB
0. 000 000 MHz
3: 2. 3842 ns
26. 120 000 MHz
REF -21.72 dB
REF 1.485 us
CH1 Markers
REF=1
BW: 27. 450004 MHz
cent : 142. 528339 MHz
Cor
SPAN 90. 000 000 MHz
Relative Attenuation
CH1 S21
LOG
10 dB/
19 Aug 2013 13:45:37
1: 0. 0000 dB
0. 000 000 MHz
REF -22.13 dB
*
CH1 Markers
REF=1
2: . 09620 dB
-12 . 5000 MHz
1
C
Q: 5. 1923
2
3:-77 . 333 dB
-15 . 5000 MHz
4
1_loss : -22 . 010 dB
1
4: . 11820 dB
12. 5000 MHz
2
5:-65 . 320 dB
15. 5000 MHz
3
Smo
Cor
CH2 Markers
REF=2
mean: 1.
4 5113 us
2
3
s. dev : 4. 8429 ns
p-p : 25. 892 ns
5
CENTER 142. 500 000 MHz
3
CENTER 142. 500 000 MHz
SPAN 32. 000 000 MHz
Wideband Properties
CH1 S21
LOG
10 dB/
SWR(S11 & S22)
19 Aug 2013 13:49:22
1: 0. 0000 dB
0. 000 000 MHz
REF -21.77 dB
SPAN 90. 000 000 MHz
CH1 Markers
REF=1
2:-71 . 737 dB
142. 500 MHz
1
CH1 S11
CH2 S22
SWR
SWR
5 /
5 /
19 Aug 2013 13:48:04
1: 4. 7314
142. 500 000 MHz
2: 5. 3909
142. 500 000 MHz
REF 4.76
REF 5.404
Cor
3:-57 . 787 dB
285. 000 MHz
1
Cor
2
3
2
START . 010 000 MHz
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
CENTER 142. 500 000 MHz
http://www.itf.co.kr
SPAN 90. 000 000 MHz
[email protected]
2014. 02. 04
Rev 1.0
Similar pages