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A 0.18- \mu m CMOS RF Transceiver With Self-Detection and Calibration Functions for Bluetooth V2.1 {+} EDR Applications

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9 Author(s)
Wei-Yi Hu ; Grad. Inst. of Electron. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Jia-Wei Lin ; Kuo-Chi Tien ; Yong-Hsiang Hsieh
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An RF front-end transceiver is implemented in standard 0.18-μm CMOS for V2.1 Bluetooth applications. All signal detection and gain calibrations are realized without the need of baseband control, but using an incoming Gaussian frequency-shift keying signal detection mechanism, auto low-noise amplifier gain mode selection, and autogain calibration with a combined programmable gain amplifier/received-signal-strength indicator function. Moreover, a simple control interface between transceiver and baseband is designed. The differential error vector magnitude performance of the transmitter is less than 6%, and a less than 7.5-dB system noise figure is achieved in the receiver. Continuous current consumptions in receiver and transmitter are 32 and 42 mA, respectively, with a 1.8-V internal regulator voltage.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:58 ,  Issue: 5 )