Pulse width generator having a variable mark-to-space ratio

Details Pulse width generator having a variable mark-to-space ratio Pulse width generator having a variable mark-to-space ratio

1979-11-05

1982-06-22

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

307265, 328 58, 375 22, H03K 708

Patent

active

043365124

ABSTRACT:
A variable pulse width generator generates a periodically recurring and variable mark-to-space ratio waveform, so that the ratio of the difference between the space and mark durations to the sum of the space and mark durations is proportional to a selectable voltage, and substantially independent of any resistor values used in the circuit.

REFERENCES:
patent: 3074057 (1963-01-01), Gilbert
patent: 3441877 (1969-04-01), Thompson
patent: 3535657 (1970-10-01), Webb
patent: 3571626 (1971-03-01), Reif
patent: 3866146 (1975-02-01), Van Mourik

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