Circuit for converting a phase signal to an amplitude signal

Details Circuit for converting a phase signal to an amplitude signal Circuit for converting a phase signal to an amplitude signal

1990-01-10

1991-08-13

Shoop, Jr., William M.

Coded data generation or conversion

Phase or time of phase change

341117, H03M 148

Patent

active

050399870

ABSTRACT:
A circuit for converting a phase signal to an amplitude signal comprises a signal separating circuit which receives a phase signal and provides in accordance therewith a phase conversion signal and a sign signal, and a conversion unit including a conversion table in which a predetermined signal wave in a reference phase angle range is stored. A phase angle of a phase signal is converted into a converted phase angle, when the phase angle is outside a reference phase angle range. An amplitude signal is obtained by reading an amplitude based on the phase angle or the phase converted angle from the conversion unit.

REFERENCES:
patent: 4270177 (1981-05-01), Endoh et al.
patent: 4331941 (1982-05-01), Kovalick et al.
patent: 4562414 (1985-12-01), Linder et al.
patent: 4628286 (1986-12-01), Nossen
patent: 4672634 (1987-06-01), Chung et al.
patent: 4843613 (1989-06-01), Crowle

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