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HDF4802S3 Datasheet(PDF) 5 Page - Shoulder Electronics Limited.

Part # HDF4802S3
Description  IF filter for DSB receivers with two channels Constant group delay
PDF  6 Pages
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Manufacturer  SHOULDER [Shoulder Electronics Limited.]
Direct Link  http://www.shoulder.cn/
Logo SHOULDER - Shoulder Electronics Limited.

HDF4802S3 Datasheet(HTML) 5 Page - Shoulder Electronics Limited.

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SAW FILTER
HDF480-2
S3
www.shoulder.cn
Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 5 of 6
Characteristics of channel
2
Characteristic
min
typ
max
unit
Insertion
attenuation
α
23
dB
Reference level for the following data
Relative attenuation
470.50MHz
4.5
dB
488.50MHz
4.5
dB
Lower sidelobe
430.00-452.00MHz
34.0
dB
Upper sidelobe
507.50-530.00MHz
34.0
dB
Reflected wave signal suppression
0.13us-2.0us after main pulse
40.0
44.0
dB
Feedthrough signal suppression
0.30us-0.20us before mainpulse
44.0
dB
Group
delay
Dτ
Group delay ripple
470.50-488.50MHz
11
18
ns
Impedance at 479.50 MHz
Output
Zout=Rout||Cout
130||3.3
Ω||pF
Temperature coefficient of frequency
TCf
-86
ppm/K
4 Frequency Characteristics



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