261806B Datasheet, PDF (1/2 Pages) Integrated Technology Future – 245.0 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±9.0075MHz)
Group Delay Variation (Fo±9.0075MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
Input Power : +10dBm
D2012 Package Dimension
245.0 MHz SAW Filter
Project name 261806B
MHz
dB
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
Source and Load Impedance = 50Ω
Minimum
Typical
Maximum
-
245.0
-
-
27.0
28.5
18.40
18.55
-
-
18.92
-
-
20.45
20.60
-
0.65
1.2
-
40
100
-
2.26
-
47
53
-
-
-18
-
112-LT
Matching Schematic
12.7±0.5
5.5max 6.0max
7.6±0.2
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 = 15nH, C1 = C2=30pF
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. 04.01
Rev 1.0