0 articles Instrumentation and Measurement

HP 334A Distortion Analyzer

An audio frequency distortion analyzer basically is a precise AC volt-meter with very flat frequency response from 10Hz to 1MHz ( +/- 0.05 db). Distortion measurement takes two voltage readings where the first reading includes fundamental and harmonics, the second reading includes only the harmonics. The percentage distortion is the ratio of these two readings.…

Z80/8085 CPU ROM Simulator

In 1968 Fairchild company of US developed the first silicon plainner transistor with photo etching and diffusion technique. Mass production became easy as they can put as many models as they could on the master photo films. Base on photo etching more complicated integrated circuit was made in 1970’s, (TTL CMOS etc) and then LSI…