Digital Communication System Articles: What is Analog Signal and Digital Signal? – In communication systems, a signal means a time varying electriÂcal signal which contains all information or intelligence. The…
Cathode Ray Oscilloscope Articles: Block Diagram of a General Purpose CRO and its workings: The modern time-domain General Purpose CRO, regardless of its sophistication, consists of the following main units.…
Microprocessor Based Digital Relay: With the fast development in large scale integrated (LSI) technology, sophisticated and fast microprocessors are now available. With the rapid growth of modern complex large power…
Finite Word Length Effects in Digital Filters Interview Questions and Answers: 1. What are the different types of arithmetic in digital systems? Ans. There are three types of arithmetic used…
Finite Impulse Response Filters Interview Questions and Answers: 1. What are the different types of filters based on impulse response? Ans. Based on impulse response the filters are of two…
Infinite Impulse Response Filters Interview Questions and Answers: 1. Give any two properties of Butterworth lowpass filters Ans. The magnitude response of the Butterworth filter decreases monotonically as the frequency…
Z Transform Interview Questions and Answers: 1. Define the z-transform. Ans. The z-transform of a discrete-time signal x(n) is defined as where z is a complex variable. In polar form…
Quality Systems Interview Questions and Answers: 1. What are the three series of ISO 9000 standard? Ans. ISO 9000 : 2000-Quality Management System-(QMS)-fundamentals and vocabulary ISO 9001 : 2000-(QMS)-requirements ISO…