Smooth sequence generator for fractional division purposes

Details Smooth sequence generator for fractional division purposes Smooth sequence generator for fractional division purposes

1976-05-26

1977-07-05

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307225R, 328 46, H03K 2100, H03K 2306

Patent

active

040343022

ABSTRACT:
A reference source of uniformly spaced pulses is coupled to the input of a smooth sequence generator (SSG) which is capable of dividing the reference pulse sequence by any proper, predetermined, rational fraction (e.g., 193/512). The SSG comprises a plurality of routing circuits connected in tandem. Each routing circuit has a first and second output and a control terminal which serves to route a pulse presented at the routing circuit input to either said first or second output. The first output of each routing circuit is connected to the next tandem-connected routing circuit. A feedback connection from the first output of each routing circuit to the control terminal of the preceding routing circuit serves to control the routing of a pulse presented to the input of the latter. A synchronization circuit is coupled to the output of said reference source, via a divider circuit, and to the first output of the last tandem-connected routing circuit. The sync circuit output is delivered to the control terminal of said last routing circuit to constrain (i.e., lock) the frequency, and preferably even the phase, of the SSG source.

REFERENCES:
patent: 2824228 (1958-02-01), Carmichael
patent: 3353104 (1967-11-01), Loposer
patent: 3446947 (1969-05-01), Overstreet, Jr.
patent: 3543295 (1970-11-01), Overstreet, Jr.
patent: 3896387 (1975-07-01), Kokado
patent: 3976946 (1976-08-01), Schroder

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