Programmable frequency and duty cycle tone signal generator

Details Programmable frequency and duty cycle tone signal generator Programmable frequency and duty cycle tone signal generator

1979-12-03

1982-05-18

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 48, 328 58, 307265, H03K 504, H03K 526

Patent

active

043307515

ABSTRACT:
Apparatus for generating an output signal having a frequency and duty cycle controllable in response to a pair of binary control words. The apparatus includes a pair of counters which are alternately enabled for counting high frequency clock pulses for respective time durations determined according to the two binary control words. A bi-stable device is controlled by the counters for developing the output signal which alternates between two levels for time durations corresponding to the time periods during which the two counters are enabled. The frequency and duty cycle of the output signal are therefore controllable by suitably adjusting the values of the two binary control words.

REFERENCES:
patent: 3096483 (1963-07-01), Ransom
patent: 3375449 (1968-03-01), Ribour et al.
patent: 3678398 (1972-07-01), Thomenius
patent: 3697879 (1972-10-01), Holliday
patent: 4053739 (1977-10-01), Miller et al.

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