261802B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 305.0 MHz SAW Filter

1. Features
Typical 1dB bandwidth of 18.5 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±9.0MHz)
Group Delay Variation (Fo±9.0MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
305.0 MHz SAW Filter
Part Number 261802B
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
Source and Load Impedance = 50Ω
Minimum Typical Maximum
-
305.0
-
-
25.5
27.0
18.4
18.52
-
-
18.96
-
-
20.91
21.1
-
0.6
1.2
-
35
70
-
2.06
-
45
52
-
-
-18
-
D2012 Package Dimension
12.7±0.5
5.5max 6.0max
7.6±0.2
Matching Schematic
Input
50Ω
C1
1
L1
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
I T F Co., Ltd.
102-901, Bucheon Technopark 364, Samjeong-Dong,
Ojeong-Gu, Bucheon-City,
Gyounggi-Do, Korea 421-809
L1 = 6.8nH , L2 = 6.8nH, C1 = 27pF, C2 = 20pF
Pin Configuration
Input
1
Ground
2,4
Output
5
Others
Ground
Tel: [phone]
Fax: [phone]
http://www.itf.co.kr [e-mail]
2013. 03. 27
Rev 1.0