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A global system for mobile communications direct conversion receiver with an integrated synthesizer is implemented with a 0.35-mum BiCMOS technology. Proposed second-order intercept point calibration method is analyzed and verified by measurements. The maximum IIP2=66 dBm is achieved by an 8-b resistive calibration code. The receiver draws 57/63 mA from a(More)
As a building block for a GSM/PCN dual band RF transceiver IC, a low noise variable gain RF down conversion mixer is designed and fabricated using a 15 GHz-f/sub T/, 0.5 /spl mu/m 3-metal 2-poly BiCMOS process. Careful consideration is paid to the low noise performance of the mixer. Moreover, using constant-impedance input/output stages, RF input and IF(More)
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