280.0 MHz SAW Filter
Part Number
260908B
1. Features
Typical 1dB bandwidth of
9.3 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
40dB Bandwidth
Amplitude Ripple (fo ± 4.51 MHz)
Group Delay Variation (fo ± 4.51 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
2
Minimum
-
-
9.25
-
-
-
-
-
40
Typical
280.0
27.1
9.37
9.6
10.81
0.65
75
1.86
48
-0.03
Maximum
-
29.0
-
-
11.0
1.2
150
-
-
-
-
D2012 Package Dimension
Matching Network Configuration
12.7±0.5
4.8max 6.0max
7.6±0.2
ITF 12A001
260908B
280-9.3M
0.45±0.05
20.3±0.5
2.5±0.2
12.7±0.2
2.5±0.2
1
5
L1 = 10nH, L2 = 12nH, L3 = 39
C1 = 39pF
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
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
1
5
Ground
Others
sales@itf.co.kr
2,4
Ground
2013. 03. 29
Rev 1.0
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809