Patent · US Active

Circuit, system, and method for operating and calibrating a radio frequency transceiver

US10158434B2 · kind B2 · utility

0Cited by

3References

27Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Saverio Trotta · Hersbruck, DE
Reinhard-Wolfgang Jungmaier · Eferding, AT
Dennis Noppeney · Cologne, DE
Johann Peter Forstner · Ebersberg, DE
Ismail Nasr · Unterhaching, DE
Vadim Issakov · Munich, DE
Andreas Wickmann · Nuremberg, DE

Key dates

Filing date	Oct 24, 2016
Grant date	Dec 18, 2018
Priority date	—
Expiry date	Oct 24, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04B17/21
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

In accordance with an embodiment, a method for operating a radio frequency (RF) transceiver includes frequency-translating, using a local oscillator signal having a calibrated phase shift, a signal received at an antenna of an RF transceiver; filtering the frequency-translated signal using a programmable filter of the RF transceiver to produce a filtered frequency-translated signal; and changing a cutoff frequency of the programmable filter from a first cutoff frequency to a second cutoff frequency in response to the RF transceiver switching operation from a first mode to a second mode.

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