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Design and implementation of 935 MHz FM transceiver for radio telemetry and 2.45 GHz direct AQPSK transmitter in CMOS

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8 Author(s)
Ghosh, A. ; Adv. VLSI Design Lab., Indian Inst. of Technol., Kharagpur, India ; Perumana, B.G. ; Dutta, A. ; Sen, P.
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This paper presents the design of a single-chip FM transceiver at 935 MHz and a AQPSK transceiver at 2.45 GHz. The fully integrated FM transceiver design in standard 0.18 μm CMOS process incorporates a transmit/receive switch, a single-ended input differential output low noise amplifier, differential input single-ended output power amplifier, an LC tuned quadrature voltage controlled oscillator, mixer, IF amplifier, a gm-C based oscillator and a chopper stabilized amplifier used for wireless sensor applications. The power output is about 50 mW. The AQPSK transceiver design in standard 0.25 μm CMOS process incorporates a baseband input processor, a low frequency quadrature modulator, a quadrature RF VCO, an upconverter and a linear power amplifier.

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VLSI Design, 2004. Proceedings. 17th International Conference on

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