Patent · US Expired

Constant bandwidth, variable gain amplifier, and method

US6331803A · kind A · utility

14Cited by
3References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 8, 2000
Grant dateDec 18, 2001
Priority date
Expiry dateMay 8, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2203/45702
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A multi-stage amplifier having a plurality of switch mechanisms, one for each stage, that are individually controllable to vary the gain of the amplifier without compromising bandwidth. The amplifier may be embodied in a magnetic storage medium magnetic storage medium that includes a preamplifier in which the multi-stage amplifier is embodied.

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