Apparatus and method for demodulating multi-level signal

Details Apparatus and method for demodulating multi-level signal Apparatus and method for demodulating multi-level signal

1996-10-28

1998-10-20

Grimm, Siegfried H.

Demodulators

Pulse or interrupted continuous wave demodulator

329300, 375317, 375340, H03K 902

Patent

active

058252436

ABSTRACT:
A multi-level signal demodulation apparatus includes an A/D converter for converting an input analog signal of which the amplitude is modulated by a multi-level to a digital signal, a memory for storing the digital signal, a threshold generator for calculating plural threshold levels in accordance with the digital signal which is stored in the memory, and a demodulator for demodulating the digital signal which is obtained by the A/D converter in accordance with the plural threshold levels to a signal according to a level of the digital signal.

REFERENCES:
patent: 5287540 (1994-02-01), Kuusinen
patent: 5425056 (1995-06-01), Maroun et al.
patent: 5566213 (1996-10-01), Carsello

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