Patent · US Expired

Adjustable delay transmission line

US6816031B1 · kind B1 · utility

83Cited by
32References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 4, 2001
Grant dateNov 9, 2004
Priority date
Expiry dateDec 4, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/2822
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A transmission line includes a signal conductor and at least one varactor diode capacitively coupled to the signal conductor. The transmission line's signal path delay is a function of its shunt capacitance, and the varactor's capacitance forms a part of the transmission line's shunt capacitance. The transmission line's signal path delay is adjusted by adjusting a control voltage across the varactor diode thereby to adjust the varactor diode's capacitance.

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