Automatically variable phase characteristic all-pass circuit

Details Automatically variable phase characteristic all-pass circuit Automatically variable phase characteristic all-pass circuit

1986-05-27

1987-05-05

Wong, Peter S.

Electricity: power supply or regulation systems

For phase shift or control

Using a three or more terminal semiconductive device

323218, 375 12, 333 18, 333 28R, H03H 703, H04B 304

Patent

active

046635831

ABSTRACT:
An automatically variable all-pass circuit includes a variable impedance circuit for changing the shape of the phase characteristic of the output signal of the all-pass circuit as a function of the amplitude of the output signal of the circuit.

REFERENCES:
patent: 3808517 (1974-04-01), Fletcher et al.
patent: 4087737 (1978-05-01), DeGennaro
patent: 4273963 (1981-06-01), Seidel
patent: 4413240 (1983-11-01), Dyke
patent: 4455539 (1984-06-01), Wurzburg
patent: 4488126 (1984-12-01), Suthers
Analog Filter Design by M. E. Van Valkenburg, Holt, Rinehart and Winston, 1982, Chapter 4, Section 4.5.

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