Digital Lock-In Detector for Ultra-Low Level Noise Spectrum Analysis

Abstract

A personal computer based digital lock-in detector was developed and used in ultra-low level noise spectrum analysis. The digital lock-in detector was integrated with a digital spectrum analyzer based on an Apple IIe computer to form a complete noise spectrum analysis system. This system is capable of analyzing noise signals much lower than internal amplifier noise. Keywords: Noise measurements, Digital lock in detector, 1/f noise, Microcomputers.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1988
Accession Number
ADA198515

Entities

People

  • Xiaoyi Wang

Organizations

  • University of Utah

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  • Engineering
  • Physics

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