Programmable frequency divider and method

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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307225R, H03K 2136

Patent

active

042348498

ABSTRACT:
A high frequency programmable frequency divider operates in a digital manner to divide the frequency of an applied signal by an integer value greater than five. The frequency divider combines emitter coupled logic (ECL) devices to perform a frequency divide algorithm at frequencies of 220 MHz.

REFERENCES:
patent: 3341693 (1967-09-01), Hurst
patent: 3493872 (1970-02-01), Sepe
patent: 3546597 (1970-12-01), Lipke
patent: 3725791 (1973-04-01), Moreau et al.
patent: 3811092 (1974-05-01), Charbonnier
patent: 3818354 (1974-06-01), Tomisawa et al.
patent: 3982199 (1976-09-01), Green
Kalb, "Programmable Divider Applications"; Nat'l. Semiconductor Corp. (pub.); 10/1968; pp. 1-8.
Steinbach, "IC Frequency Dividers & Counters, Part 2;" Electronics World (pub.); pp. 49-52 & 55; 1/1969.

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