Inspec keywords: MOSFET; wireless sensor networks; passive networks; loop antennas

Other keywords: fully-passive sensor; frequency 13.56 MHz; loop antenna; temperature; resistive transducers; co-axial distances; carrier wireless signal modulation; tuning capacitor; heart rate; TX antennas; pulse oximetry; bio-potential measurement; wireless resistive analogue passive sensor technique; RX antennas; physical stimulus; metal–oxide–semiconductor field-effect transistor; distance 5 mm to 40 mm; physiological signals

Subjects: Single antennas; Passive filters and other passive networks; Insulated gate field effect transistors; Sensing devices and transducers; Wireless sensor networks