173.9 MHz SAW Filter
Project name
252908B
1. Features
Typical 1dB bandwidth of 29.2 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Operating Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1 dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (fo ± 14.4 MHz)
Group Delay Variation (fo ± 14.4 MHz)
Absolute Delay
Ultimate Rejection
Maximum input Power
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dBm
ppm/℃
℃
Minimum
-
-
29.15
-
-
-
-
-
48
-
Typical
173.9
30.5
29.28
29.60
31.04
0.5
30
2.60
53
-
-18
Maximum
-
32.0
-
-
31.15
1.0
60
-
-
10
D2012 Package Dimension
1
12.7±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
5
L4
Output
50
Ω
Input
50
Ω
L1
L2
L3
ITF 13A001
252908B
173.9-29.2M
0.45±0.05
20.3±0.5
2.5±0.2
12.7±0.2
L1 = 47nH, L2 = 47nH, L3 = 39nH, L4 = 39nH
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
Input
Output
1
5
Ground
Others
2,4
Ground
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
sales@itf.co.kr
2013. 03. 25
Rev 1.0