Amplifying with directly coupled, cascaded amplifiers
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United States of America Patent
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Nov 27, 1990
Grant Date -
N/A
app pub date -
Mar 23, 1989
filing date -
Mar 23, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A signal is amplified with a plurality of amplifiers, each amplifier having a reference port, a reference node coupled to the reference port, and a signal port, and each amplifier being supplied by a power source with operating potential with respect to the reference node that is coupled to the reference port of that amplifier. The amplifiers are cascaded in a manner selected so that the output of a first amplifier (which receives the signal to be amplified at its input port) drives the reference node of a second amplifier, and the reference node of the first amplifier provides an input at the signal port of the second amplifier, whereby the first and second amplifiers are directly coupled together to amplify the applied signal.
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