74.76 MHz SAW Filter
Part Number 231502B
1. Features
ꢀ
ꢀ
ꢀ
ꢀ
Typical 1dB bandwidth of 15.5 MHz
High attenuation
Single Ended Operation
Dual Inꢀline Package (DIP)
2. Electrical Specifications
Source and Load Impedance = 50ꢁ
Minimum
Typical
74.76
24.0
15.54
15.85
16.72
17.1
0.4
Maximum
Operating Temperature : -30℃ ~ +80℃
Center Frequency (fo)
Insertion Loss
MHz
dB
ꢀ
ꢀ
ꢀ
25.5
1dB Bandwidth
MHz
MHz
MHz
MHz
dB
15.40
ꢀ
3dB Bandwidth
ꢀ
ꢀ
ꢀ
20dB Bandwidth
16.90
40dB Bandwidth
ꢀ
ꢀ
1.0
80
ꢀ
Amplitude Ripple (fo ± 7.25 MHz)
Group Delay Variation (fo ± 7.25 MHz)
Absolute Delay
ꢀ
nsec
usec
dB
ꢀ
30
ꢀ
2.30
55
Ultimate Rejection
50
ꢀ
ꢀ
Temperature Coefficient of Frequency
ppm/℃
ꢀ72
ꢀ
Room Temperature : +25℃
Minimum
Typical
24.0
0.4
Maximum
25.5
Insertion Loss
dB
dB
ꢀ
ꢀ
ꢀ
Amplitude Ripple (fo ± 7.55 MHz)
Group Delay Variation (fo ± 7.55 MHz)
Maximum Input Power : +10dBm
1.0
nsec
30
80
D2012 Package Dimension
Matching Schematic
5
1
12.7±0.5
5.5max 6.0max
7.6±0.2
Input
50
Output
Ω
50Ω
L1
L2
L1 = L2 = 150nH
Pin Configuration
Dimensions shown are nominal in millimeters
Base : Fe(SPCC), Au plating over Ni plated
Cap : Cu & Cr Alloy, Ni Plated
Input
1
5
Ground
Others
2,4
Termination : Kovar, Au Plated
Output
Ground
I T F Co., Ltd.
102ꢀ901, Bucheon Technopark 364, SamjeongꢀDong,
OjeongꢀGu, BucheonꢀCity,
Tel: 82-32-621-1213
Fax: 82-32-621-1218
http://www.itf.co.kr
sales@itf.co.kr
2013. 04. 01
Rev 1.0
GyounggiꢀDo, Korea 421ꢀ809