Common Base Configuration & its Characteristics
Common Base Configuration: The notation and symbols used in conjunction with the transistor in …
Electrical Engineering
Class-B Pushpull Amplifier Operation
Class-B Pushpull Amplifier Operation: Class–B operation is provided when the dc bias leaves the transistor biased just off, the transistor turning …
Transformer coupled class-A amplifier Operation
Transformer coupled class-A amplifier: Here we will be discussing Transformer coupled class-A amplifier.A form of class A amplifier having a …
Series fed Class-A Amplifier Operation
Series fed Class-A Amplifier: The simple fixed-bias circuit connection shown in the figure below can be used …
Varactor diode Operation and Characteristics
Varactor diode Operation and Characteristics: The varactor diode, also called a varicap,tuning or voltage variable capacitor diode,is also a junction …
Tunnel diode or Esaki diode Operation & Characteristics
Tunnel diode Construction: Now here we are going to discuss construction and working principle of Tunnel diode.This diode has two …
Retardation Test or Running down Test on DC Machines
Retardation or Running down Test On dc Machines: This is the best and simplest method to find the efficiency …
Regenerative or Hopkinson’s test on d.c machines
Regenerative or Hopkinson’s test on d.c machines: Regenerative or Hopkinson’s test on dc machines is useful to determine the efficiency …
Brake test on D.C Machines
Efficiency By Direct Loading Method: In this direct loading method, the d.c. machine is loaded and output and input are measured …
Open Circuit & Short Circuit Tests on Transformers
Open Circuit & Short Circuit Tests on Transformers: The circuit constants, efficiency and voltage regulation of a transformer can be determined …