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This letter presents a low power and low cost RF transceiver for Zigbee standard (IEEE 802.15.4) using a switchless front-end configuration. It is enabled by designing the matching networks that a low noise amplifier and a power amplifier can share. The transceiver has been implemented in 1P6M 0.18 μm CMOS process. The receiver achieves 4.4 dB NF, -6.5 dBm IIP3 and 25.7 dB gain with 3-step digital...
A fully integrated direct-conversion mobile-TV tuner for DVB-H/T and T-DMB/DAB applications was fabricated using 0.18 um CMOS process. This tuner has the good SNR and immunity performance over wide dynamic range for multi-band and multi-mode applications with the automatic gain control and calibration schemes. The power consumption is 127 mW for VHF and UHF, and 135 mW for L-band at 1.8 V supply voltage.
This paper presents a low power CMOS transmitter for UHF mobile RFID applications, in a 0.18-mum CMOS technology. It uses a directional coupler in front of an antenna to reduce transmitter carrier leakage at receiver front-end and to be integrated into mobile handset with a single antenna. It adapts a direct conversion transmitter and consists of low pass filter, variable gain amplifier, up-conversion...
This paper presents a low power CMOS transmitter for UHF mobile RFID applications, in a 0.18-mum CMOS technology. It uses a directional coupler in front of an antenna to reduce transmitter carrier leakage at receiver front-end and to be integrated into mobile handset with a single antenna. It adapts a direct conversion transmitter and consists of low pass filter, variable gain amplifier, up-conversion...
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