Pulse generator with adjustable pulse frequency, pulse width and

Details Pulse generator with adjustable pulse frequency, pulse width and Pulse generator with adjustable pulse frequency, pulse width and

1984-06-29

1988-06-28

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307510, 328 58, 377 27, 377 39, 377 44, 377110, H03K 3017, H03K 504, H03K 2366, G05F 500

Patent

active

047541636

ABSTRACT:
A pulse generator with adjustable pulse frequency, pulse width and pulse delay contains a start-stop oscillator (1) whose oscillator pulses are counted by a counter (2) in adjustable counting cycles. After each counting cycle, the oscillator (1) is shut down for an adjustable time interval. The pulses of the output signal of the pulse generator are produced at the occurrence of a predetermined count value, and the end of these pulses is essentially determined by a second predetermined count value. As the oscillator (1) has a fixed operating frequency and for the purpose of frequency interpolation is periodically shut down during short time intervals and then restarted, a pulse generator is obtained having very small frequency deviations over a wide frequency spectrum.

REFERENCES:
patent: 2616047 (1952-10-01), Boothroyd
patent: 3192408 (1965-05-01), Cho
patent: 3745380 (1973-07-01), Kitajima et al.
patent: 4231104 (1980-10-01), St. Clair
patent: 4415861 (1983-11-01), Palmquist
patent: 4566111 (1986-01-01), Taragawa
patent: 4599569 (1986-07-01), Furuhata et al.
Valvo, Techn. Informationen fur Die Industrie, TI 67, 1964, pp. 3 to 5.
Electronik, 1975, vol. 11, pp. 99 to 101.
Electronics, Jan. 20, 1977, p.98.
Electronicpraxis, No. 1, Jan. 1983, p. 96.
Elektronik, 1978, vol. 10, pp. 87 to 88.

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