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

Table 1

Summary of the components’ specification.

Part	Model	Specification
Modulator	ADF9010	3 dBm output power
Demodulator	ADL5382	14.7 input P1dB
Driver amplifier	AVT54689	17.8 dB gain and 17.2 dBm P1dB
VGA	HMC80110	13.5 dB gain with a control range of 53.5 dB, and 23.2 dBm P1dB
PA	ALM32120	14.3 dB gain and 34.4 dBm P1dB
LNA	ADL5521	20.8 dB gain with a NF of 0.8 dB, and 21.8 dBm P1dB
Directional coupler	RCP890A05	5 dB coupling and 23 dB isolation
Attenuator	AV101-12	30 dB attention
Phase shifter	PS094-315	80–110-degree phase shift range
Combiner	MAPDCC0001	0.5-degree phase balance
SAW	B3588U410	2.9 dB insertion loss