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LA7780M

Sanyo
Part Number LA7780M
Manufacturer Sanyo
Description QPSK Downconverter
Published Apr 25, 2005
Detailed Description Ordering number : EN5268A Monolithic Linear IC LA7780M QPSK Downconverter for CATV Systems Overview The LA7780M is a ...
Datasheet PDF File LA7780M PDF File

LA7780M
LA7780M

Overview
Ordering number : EN5268A Monolithic Linear IC LA7780M QPSK Downconverter for CATV Systems Overview The LA7780M is a downconverter for QPSK data demodulation for digital CATV transmission.
This IC integrates a preamplifier, an AGC amplifier, a mixer, an oscillator, a post-amplifier, and other circuits in a single chip, and provides all the functions required from cable signal input through output to the A/D converter.
Functions • • • • • • • Preamplifier AGC amplifier Mixer Oscillator Post amplifier IF AGC (internal/external) AGC detector Features • Since a preamplifier is built in, the LA7780M has adequate sensitivity to handle the input signal from the cable directly.
(Input signal le...


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