262906B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 279.9 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 29.4 MHz
High attenuation
Single Ended Operation
Dual In-line Package (DIP)
2. Electrical Specifications
Room Temperature : +25℃
Center Frequency (fo)
Insertion Loss
1dB Bandwidth
3dB Bandwidth
40dB Bandwidth
Amplitude Ripple (Fo±14.45MHz)
Group Delay Variation (Fo±14.45MHz)
Absolute Delay
Ultimate Rejection
Maximum input Power
Temperature Coefficient of Frequency
279.9 MHz SAW Filter
Project name 262906B
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
dBm
ppm/℃
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
279.9
-
-
31.5
33.0
29.20
29.40
-
-
29.69
-
-
30.94
31.05
-
0.65
1.2
-
50
100
-
2.89
-
48
53
-
-
-
10
-
-18
-
D2012 Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
L1
1
C1
5
L2
Output
50Ω
C2
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Termination : Kovar, Au Plated
L1 = L2 = 12nH, C1 = C2 = 27pF
Input
Output
Pin Configuration
1
Ground
5
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: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2013. 03. 27
Rev 1.0