Konferensartikel

A transmitter consisting of a voltage controlled oscillator (VCO) and power ampli-fier (PA) for the 400 MHz Medical Implanted Communication System band (MICS) was built in a standard 0.35-µm CMOS process. A push pull architecture was used for both the VCO and the PA. Two off-chip inductors were needed. The design was optimized for 400 µW output power at 3 V supply; which resulted in an efficiency of 26 %. This gives a total power consumption of 1.6 mW; of which the VCO uses about 0.3 mW.

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