Electronic multi vibrator

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Electronics tutorial about multivibrators including monostable multivibrator circuits, astable multivibrators, bistable oscillators and clocks. A multivibrator is an electronic circuit used to implement a variety of simple two-state devices such as relaxation oscillators, timers and flip-flops. It consists of two amplifying devices (transistors, vacuum tubes or other devices) cross-coupled by resistors or capacitors. The first multivibrator circuit, the astable multivibrator oscillator, was invented by henri abraham and eugene bloch during world war i. They called their circuit a multivibrator because its output waveform was rich in harmonics. An electronic device that generates non-sinusoidal waveform as its output is known as a multivibrator. The generated non-sinusoidal waveforms are basically a square wave, rectangular wave, a triangular wave, sawtooth wave, or ramp wave etc. In electronic circuits, astable multivibrators are also known as free-running multivibrator as they do not require any additional inputs or external assistance to oscillate. Astable oscillators produce a continuous square wave from its output or outputs, (two outputs no inputs). In electronics before the development of switch-mode power supplies and the introduction of semiconductor devices operating off low voltage, there was a requirement to generate voltages of about 50 to 250 v dc from vehicle batteries. Electromechanical components known as vibrators were used in a circuit similar to modern solid state inverter circuits to provide a pulsating dc which could be.   in this video, the working principle of the electronic oscillator has been explained. By watching this video, you will learn the following topics 042 what is oscillator 104 how oscillator works.   the multivibrator is the electronic circuit which is used to implement two-state devices like oscillator, timer, and flip-flop. Types of multivibrator depending on the number of stable states.

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