Patent · US Active

Radio receiver having enhanced automatic gain control circuitry

US9735748B2 · kind B2 · utility

1Cited by
7References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 15, 2015
Grant dateAug 15, 2017
Priority date
Expiry dateDec 15, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2200/451
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An apparatus includes an input terminal to receive a radio frequency (RF) signal and to communicate the RF signal to a low noise amplifier (LNA) via an input signal path, and a capacitor attenuator coupled to the input terminal to attenuate the RF signal by a controllable amount and having a first portion controllable to include a used part configured on the input signal path and an unused part coupled between the input signal path and an AC reference node, and a second portion coupled between the LNA and the AC reference node.

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