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A compact low-voltage analog divider is presented. The design is based on a four-quadrant multiplier and a differential transconductance amplifier as basic building blocks operating in voltage mode. A biasing control circuit to set the dc operational point that requires very few devices and offers continuous-time operation is included. Experimental results of a test chip in 0.5μm CMOS technology verify the proposed operation.
Date of Conference: 5-8 Aug. 2012