Portable RLC Parameter Measurement Instrument Based on The FPGA

Abstract

This paper introduces a new type of digital portable RLC parameter measurement instrument. It uses direct frequency synthesis (DDS) technology, composed of FPGA direct generation measuring the sine wave digital signal. Freedom of choice shaft voltammetry measurement principle, with five end measurement method to ensure the measurement circuit concise high efficient; design a new digital full wave phase discriminator and improve the precision of phase. High-speed AD with FPGA for data acquisition and processing, make the whole system volume small, fast operation, high measurement accuracy, the complex scene and function to meet the design requirement.