81.0 MHz SAW Filter
Part Number
240903B
1. Features
Typical 1dB bandwidth of
9.5 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
35dB Bandwidth
40dB Bandwidth
Amplitude Ripple(fo±4.6 MHz)
Group Delay Variation(fo±4.6 MHz)
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Source and Load Impedance = 50
Minimum
Typical
Maximum
MHz
dB
MHz
MHz
MHz
MHz
dB
nsec
usec
dB
ppm/℃
-
-
9.5
-
-
-
-
-
-
48
81.0
24.5
9.54
9.70
10.35
10.38
0.75
50
3.74
53
-84
-
26.0
-
-
10.4
-
1.2
100
-
-
-
-
D3512 Package Dimension
12.8±0.5
5.5max 6.0max
7.6±0.2
2.5±0.2
Matching Schematic
1
ITF 13A001
240903B
81-9.5M
Input
50
Ω
5
Output
50
Ω
35.1±0.5
0.45±0.05
2.5±0.2
25.4±0.2
Unmatching Required
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. 03. 25
Rev 1.0