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Simple high sensitivity wireless transceiver
Author(s) -
Buchanan Neil. B.,
Fusco Vincent.
Publication year - 2014
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.28205
Subject(s) - superheterodyne receiver , transceiver , circulator , electrical engineering , microwave , electronic engineering , signal (programming language) , voltage controlled oscillator , sensitivity (control systems) , phase locked loop , engineering , phase noise , wireless , dbm , computer science , amplifier , telecommunications , voltage , cmos , programming language
This article describes an extremely simple wireless transceiver, comprising of only a low Q VCO and a phase locked loop IC. It is experimentally shown to, simultaneously, transmit an 8‐dBm CW interrogation signal, while concurrently demodulating a phase modulated received signal with sensitivity levels of −120 dBm. This makes the performance similar to conventional transceivers, which require complex superheterodyne type architectures and also require a means to provide a high isolation separate the transmit/receive signals (such as a circulator). © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:790–792, 2014
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