Signal generator with programmable variable frequency

Details Signal generator with programmable variable frequency Signal generator with programmable variable frequency

1987-06-23

1989-09-26

Miller, Stanley D.

Electrical pulse counters, pulse dividers, or shift registers: c

Counting or dividing in incremental steps

Beam type tube

328142, 328 14, 377 52, 364703, H03K 500, H03B 1900, G06M 300, G06F 752

Patent

active

048703664

ABSTRACT:
The invention relates to a signal generator with programmable variable frequency and comprises a reference oscillator, a first frequency divider receiving the signal emitted by the reference oscillator and delivering an instantaneous frequency signal (FS). A control chain for said first frequency divider comprises a second frequency divider and a first programmable integrator system, which controls the first frequency divider. A control chain for the second frequency divider comprises a second integrator system receiving the output signal (FS). This signal has an instantaneous frequency of the polynomial form ##EQU1##

REFERENCES:
patent: 3548320 (1970-12-01), Roberts et al.
patent: 3566096 (1971-02-01), Schultheis
patent: 4103216 (1978-07-01), Haynes
patent: 4450532 (1984-05-01), Massey
patent: 4560960 (1985-12-01), Chanrion
Electronics Letters, J. J. Hill et al. Digital Method of Sweep Frequency Generation, Nov. 1982 (Great Britain), vol. 18, No. 23, pp. 1017-1019.
Dewent Publication, Polynomial Frequency Series Synthesizer, etc., SU-R2, Week B05, B0075B/05-SU-596-954.

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