Patent · US Expired

Photo-amplifier circuit with improved power supply rejection

US6781468B1 · kind B1 · utility

8Cited by
10References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 2003
Grant dateAug 24, 2004
Priority date
Expiry dateApr 30, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2203/45722
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A symmetrical photo-amplifier circuit with improved power supply rejection includes a signal circuit and a reference circuit, in which the electrical capacitances and parasitic capacitances from mechanical sources, such as bond wires and substrates, are matched between the signal circuit and the reference circuit.

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