Digital Tachometer Working Principle: Digital Tachometer Working Principle technique employed in measuring the speed of a rotating shaft is similar to the technique used in a conventional frequency counter, except…
Digitally Controlled Frequency Synthesizers Interview Questions and Answers: 1. What is PLL? Ans. PLL is basically an electronic circuit that consists of a phase detector, a low-pass filter, a dc amplifier…
Digital Instruments Articles: What is a Digital Instrument?: Digital instrument are rapidly replacing their analog counterparts. The parameters of interest in a laboratory environment are (i) voltage (ii) current (iii)…
Working Principle of Digital Multimeter: Analog meters require no power supply, they give a better visual indication of changes and suffer less from electric noise and isolation problems. These meters…
Current Limit Control of Drives: Current Limit Control of Drives scheme of Fig. 3.3 is employed to limit the converter and motor current below a safe limit during transient operations.…
Electronic Instrumentation Articles: This Electronic Instrumentation Articles which includes the following topics: Introduction to Electronics Instrumentation Static Characteristics of Measuring Instruments Errors in Measurement Types of Static Error and Sources…
Interfacing with Microprocessors Articles: BCD to 7 Segment Decoder using IC 7447: BCD to 7 Segment Decoder using IC 7447 are generally used as numerical indicators and consists of a…
Data Logger Operation: Data Logger Operation - For proper understanding of a Data Logger Operation, it is essential to understand the difference between analog and digital signals. For example, measurement…