Circuit for frequency division by an odd number

Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Pulse multiplication or division

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377 48, 377 52, H03K 2366

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active

054577225

ABSTRACT:
In a circuit for dividing the frequency of a received signal by an uneven number, initially another signal is derived through half-integer frequency division and thereafter divided by two. Preferably, a frequency division is performed alternately by an integer under the half-integer and by an integer above the half-integer, in order to achieve frequency division by a half-integer, whereby the toggling is performed dependent on the output signal.

REFERENCES:
patent: 4573176 (1986-02-01), Yeager
patent: 4942595 (1990-07-01), Baca
IBM Tech Disc. Bul "Synchronous frequency division by 2.5" Karabatsos et al. vol. 17 No. 12 May, 1975 pp. 3619-3620.
Motorola Technical Developments, Bd.11, Oct. 1990, Schaumburg, Ill., pp. 3 & 4-M. J. Johnson "A Simple Technique For Fractional Digital Division".

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