Wideband microwave frequency divider

Details Wideband microwave frequency divider Wideband microwave frequency divider

1980-08-21

1982-11-02

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

331 10, 331 17, 331 18, 331 51, H03L 702, H03L 706, H03L 724

Patent

active

043575803

ABSTRACT:
A signal of frequency value F.sub.IN is coupled to a discriminator and to one terminal of a voltage controlled oscillator (VCO) tuned to operate at a range of frequencies about F.sub.IN .div.N where N is a nonunity positive integer. The discriminator produces a voltage proportional to frequency F.sub.IN which is scaled and applied to a control terminal of the VCO to cause it to be tuned to approximately F.sub.IN .div.N. The signal of frequency F.sub.IN applied to the VCO causes it to be injection locked to frequency F.sub.IN .div.N.

REFERENCES:
patent: 3074027 (1963-01-01), Rout
patent: 3304518 (1967-02-01), Mackey
patent: 3626315 (1971-12-01), Stirling et al.
patent: 3832652 (1974-08-01), Upadhyayula et al.
patent: 4063188 (1977-12-01), Mawhinney
patent: 4063279 (1977-12-01), Vidovic et al.
Adler, "A Study of Locking Phenomenon in Oscillators," Proc. of I.R.E. and Waves and Electrons, vol. 34, Jun. 1946, pp. 351-357.

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