272502B

70.0 MHz SAW Filter
Part Number 272502B
1. Features
Typical 1dB bandwidth of 25.0 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50Ω
Operating Temperature : +25℃
℃
Minimum
Typical
Maximum
MHz
-
70.0
-
dB
-
28.0
29.5
1dB Bandwidth
MHz
24.90
25.07
-
3dB Bandwidth
MHz
-
25.28
-
40dB Bandwidth
MHz
-
26.16
26.30
50dB Bandwidth
MHz
-
26.25
-
dB
-
0.7
1.2
Group Delay Variation (fo ± 12.4 MHz)
nsec
-
35
80
Absolute Delay
usec
-
2.92
-
dB
45
52
-
dBm
-
-
10
Center Frequency (fo)
Insertion Loss
Amplitude Ripple (fo ± 12.4 MHz)
Ultimate Rejection
Input power
ppm/℃
℃
Temperature Coefficient of Frequency
-72
12.8±0.5
5.5max 6.0max
Matching Schematic
7.6±0.2
2.5±0.2
D3512 Package Dimension
1
L2
Output
50Ω
25.4±0.2
2.5±0.2
C1
0.45±0.05
ITF 13A001
272502B
70-25.0M
Input
50Ω
35.1±0.5
5
L1
L1 = 150nH, L2 = 120nH, C1 = 1pF
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]
2013. 03. 27
Rev 1.0
70.0 MHz SAW Filter
Part Number 272502B
3. Typical Performance ( at +25℃
℃)
40dB Bandwidth
1dB Bandwidth
Pass-band ripple
Group Delay
Simth Chart(S11 & S22)
SWR(S11 & S22)
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
http://www.itf.co.kr
[email protected]
2013. 03. 27
Rev 1.0
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