Patent ID: 9413431
Filing Date: 2016-08-09
CPC Classification: H04B

Claim Text:
1. A transceiver for a radio frequency identification (RFD) reader, comprising: an RF front end, having an antenna and an RF filter connected to the antenna; a transmitter, having a first matching circuit and a transmitting circuit connected to the first matching circuit; a receiver, having a second matching circuit, a detecting circuit, an amplifier and an analog-to-digital (A/D) converter, wherein the detecting circuit is connected between the second matching circuit and an input terminal of the amplifier, and the A/D converter is connected to an output terminal of the amplifier; a power divider, having a first terminal connected to the first matching circuit of the transmitter, a second terminal connected to the second matching circuit of the receiver and a third terminal connected to the RF filter of the RF front end; a micro control unit (MCU), connected to the transmitter and the receiver, generating a transmitted signal and receiving a retrieved data, an RF switch, a third matching circuit, and a receiving circuit,