Noise reduction circuit for analog filter in radio frequency identification (RFID) system

An apparatus allows a radio frequency identification (RFID) reader to quickly recover from a transient input to its receiving subsystem when transitioning from writing to an RFID transponder to reading its response. Specifically, the apparatus is composed of a squelch circuit that attenuates transie...

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Bibliographic Details
Main Authors BLAIR MARK, MA, MARTIN, S.H
Format Patent
LanguageChinese
English
Published 23.12.2022
Subjects
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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Summary:An apparatus allows a radio frequency identification (RFID) reader to quickly recover from a transient input to its receiving subsystem when transitioning from writing to an RFID transponder to reading its response. Specifically, the apparatus is composed of a squelch circuit that attenuates transients in its receiving subsystem while writing to the transponder, and assists the receiving subsystem in rapid stabilization after experiencing such transients. 一种装置，当从写入RFID应答器过渡到读取其响应时，允许射频标识(RFID)读取器从瞬态输入快速恢复到其接收子系统。具体地，该装置由静噪电路构成，该静噪电路在写入到应答器的同时衰减其接收子系统中的瞬态，并且在经历这种瞬态之后帮助接收子系统快速稳定。
Bibliography:Application Number: CN202180029855