In this paper, a pulse width amplitude modulation multiplication scheme, that uses a novel flipped voltage follower (FVF) based current switch is presented. Simulations performed in Hspice with the standard AMI 0.5μm CMOS process shows a system with dynamic range of ±140 mV for both input signals with a maximum gain error of 1.1%. The circuit works with V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">DD</sub> = 3 V and a power consumption of 2.2 mW. The multiplier has a bandwidth of 16 kHz.
Tópico:
Analog and Mixed-Signal Circuit Design
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Información de la Fuente:
FuenteIEEE Electronics, Robotics and Automotive Mechanics Conference
