Patent · US Expired

Varactor controlled fixed frequency VHF DC-DC converter

US5708573A · kind A · utility

24Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 1, 1996
Grant dateJan 13, 1998
Priority date
Expiry dateFeb 1, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02M3/155
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A DC to DC converter including a resonant switching circuit (13, 51 , 115, 151, 125, 153); an impedance matching circuit (53) responsive to the resonant switching circuit; a rectifier circuit (55) responsive to the impedance matching circuit; an output filter circuit (57) responsive to rectifier circuit for providing a filtered DC to DC converter voltage output; and a varactor diode circuit (27, 29, 31, 61) responsive to the filtered DC to DC converter voltage output for controlling the impedance matching circuit such that the filtered DC to DC converter output voltage is substantially constant.

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