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AH842

产品描述FULLY BUFFERED NTSC PRE FILTER
文件大小56KB,共2页
制造商Faraday Technology
官网地址http://www.faradaytech.co.uk/
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AH842概述

FULLY BUFFERED NTSC PRE FILTER

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AH842
FULLY BUFFERED NTSC PRE FILTER
The AH842 is a low cost pre A/D filter designed to complement the AH844 post filter for NTSC
applications using the 4 x fsc oversampled format. Interfacing to the system is simplified with high
input and low output impedance op-amp buffer stages.
Filter Shape
Passband Shape
Gain
End Of Passband
Passband Amplitude Ripple
Loss at 6.75 MHz wrt 100 kHz
Start of Stopband
Stopband Attenuation wrt 100 kHz
Group Delay Ripple wrt 200 kHz
Delay Time at 200 kHz
Typical Current
Input Impedance
Package
Lowpass
Flat
- 0.2 dB + 0.2 dB
+5.8 dB + 0.2 dB
4.4 MHz
0.25 dB max
30 dB + 2 dB
7.0 MHz
40 dB min to 20 MHz
35 dB min to 50 MHz
+ 10.0 ns max to 4.3 MHz
344 ns + 10 ns
30 mA (15 mA per rail at + 5 v)
2 MΩ typical
DR00032A
with pin 6 open
with pin 6 gnd
© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice
FARA023.DOC
Page 1 of 2
Jun-99(A)

 
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