Quaternary-level waveform generator

Details Quaternary-level waveform generator Quaternary-level waveform generator

1991-12-26

1993-02-09

Mai, Tan V.

Boots, shoes, and leggings

328 14, G06F 102

Patent

active

051857103

ABSTRACT:
A quaternary-level waveform generator in which a modulation wave prior to a band restriction (a quaternary-level square wave sequence) is separated into two binary-level square wave sequences and as waveform components prestored corresponding waveform component outputs after a predetermined band restriction are read out of a waveform component generating read-only memory and added to generate a desired quaternary-level waveform shaped by the band-restriction.

REFERENCES:
patent: 4338674 (1982-07-01), Hamada
patent: 4809577 (1989-03-01), Fujita
patent: 4878194 (1989-10-01), Nakatsugawa et al.
patent: 4992743 (1991-02-01), Sheffer

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