Receiver for receiving amplitude shift keying signal

Details Receiver for receiving amplitude shift keying signal Receiver for receiving amplitude shift keying signal

2007-12-11

2007-12-11

Payne, David C. (Department: 2611)

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

Reexamination Certificate

active

10828164

ABSTRACT:
A receiver for receiving an amplitude shift keying signal includes: a threshold signal generating circuit that has a first diode to which a received amplitude shift keying signal is inputted and generates a threshold signal which practically follows a peak value of the amplitude shift keying signal; an input circuit including a second diode to which a received amplitude shift keying signal is inputted; a first comparator to which the amplitude shift keying signal that is outputted from the input circuit through the second diode is inputted, the first comparator acting with the threshold signal that is outputted from the threshold signal generating circuit through the first diode as a first threshold; a detection circuit for detecting output from the first comparator; and a second comparator to which output from the detection circuit is inputted, the second comparator acting with a second threshold that is a predetermined fixed value.

REFERENCES:
patent: 5319191 (1994-06-01), Crimmins
patent: 5-327794 (1993-12-01), None
patent: 2001-36591 (2001-02-01), None

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