Research Article

Implementation of Low-Cost UHF RFID Reader Front-Ends with Carrier Leakage Suppression Circuit

Figure 3

Link budget simulation of the proposed Tx circuit: (a) behavior model of the Tx circuit; (b) simulation result when VGA sets a 6.5 dB gain.
135203.fig.003a
(a)
135203.fig.003b
(b)