公开(公告)号：US10673544B2

公开(公告)日：2020-06-02

申请号：US16212883

申请日：2018-12-07

Applicant: Infineon Technologies AG

Inventor： Niels Christoffers ,  Vincenzo Fiore ,  Helmut Kollmann ,  Christian Rap ,  Jochen O. Schrattenecker ,  Peter Unterkircher ,  Christoph Wagner

IPC: H04B17/20 ,  H04B1/16 ,  G01S7/40 ,  H04B17/19 ,  H04B17/00 ,  H04B17/29 ,  H04L27/12

Abstract: The description is of a circuit which, according to one example embodiment, comprises the following: an input circuit node for receiving an RF oscillator signal; a test signal generator circuit, which comprises at least one modulator and which is embodied to generate an RF test signal by modulating the RF oscillator signal. Further, the circuit comprises at least one receive channel with a receiver circuit and a coupler, which is embodied to feed the RF test signal into the receiver circuit.