325.0 MHz SAW Filter
Part Number
261408B
1. Features
Typical 1dB bandwidth of
13.9 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50
Room Temperature : +25℃
℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
45dB Bandwidth
Amplitude Ripple (Fo±6.7575MHz)
Group Delay Variation (Fo±6.7575MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
* Input POWER : 10dBm
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
Minimum
324.84
-
13.85
-
-
-
-
-
47
-
Typical
325.0
28.0
13.96
14.31
15.84
0.6
50
2.28
53
-18
112-LT
Maximum
325.16
30.0
-
-
16.00
1.2
100
2.30
-
-
D2012 Package Dimension
Matching Schematic
1
2.5±0.2
5
L2
Output
50
Ω
12.7±0.5
5.5max 6.0max
7.6±0.2
Input
50
Ω
L1
ITF 13A001
261408B
325-13.9M
C1
0.45±0.05
2.5±0.2
12.7±0.2
C2
20.3±0.5
L1 = L2 = 1.5nH, C1 = 33pF, C2 = 18pF
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. 04. 30
Rev 1.0
ITF [ INTEGRATED TECHNOLOGY FUTURE ]
