Patent · US Expired

Voltage controlled oscillator using dual modulus divider

US4972446A · kind A · utility

13Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 14, 1989
Grant dateNov 20, 1990
Priority date
Expiry dateAug 14, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03L7/0993
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An analog/digital voltage controlled oscillator includes a voltage to pulse converter which responds to a control voltage to generate appropriate control pulses to change the mode of operation of a divider to thereby vary the output frequency of the oscillator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.