Output waveforms for a differentiating circuit, Electrical Engineering

Assignment Help:

Q. Discuss the output waveforms for a differentiating circuit.

The output waveform from a differentiating circuit depends upon the time constants and shape of the input wave.Three important cases will be considered. When input is a square wave.-When the input fed to a differentiating circuit is a square wave,output will consist of sharp pulses.During the OC part of the input wave, its amplitude changes abruptly and hence the differentiated wave will be sharp narrow pulse. However during the constant part CB of the input , the output will be zero because the derivative of a constant is zero.

2321_Discuss the output waveforms for a differentiating circuit.png

Since time constant RC of the circuit is very small w.r.t time period of input wave and Xc >>R ,the capacitor will become fully half cycle, the output of the circuit will be zero because the capacitor voltage neutralizes the input voltage and there can be no current flow through R.Thus we get a sharp pulse at the output during the start of each half cycle of input wave while for the remainder part of the half cycle of input wave , the output will be zero.In this way , a symmetrical output wave with sharp positive and negative peaks is produced.Such pulses are used in many ways in electronic circuits e.g in television transmitters and receivers,in multivibrators to initiate action etc.


Related Discussions:- Output waveforms for a differentiating circuit

DC shunt generator, in DC series generator we consider Eg=V+Ia(Ra+Rse).But ...

in DC series generator we consider Eg=V+Ia(Ra+Rse).But in DC shunt generator why it is only Eg=V+IaRa and not Eg=V+Ia(Ra*Rsh/Ra+Rsh)

List the operation modes of 8255, List the operation modes of 8255 a) ...

List the operation modes of 8255 a) I.O Mode i. Mode 0-Simple Input/Output. ii. Mode 1-Strobed Input/Output (Handshake mode) iii. Mode 2-Strobed bidirectional mode

Wheaton bridge with differential amplifier, when strain gauge design give a...

when strain gauge design give accurate measurement on zero and maximum 999kg but not 500kg

Determine the current through each resistor, For the circuit of Fig 1a: ...

For the circuit of Fig 1a: (i) Using Ohm's Law , determine the equivalent resistance across the battery (ii)  determine the current through each resistor (iii) the arrang

Logical operations , Logical Operations Various  operations like and  ...

Logical Operations Various  operations like and  or exclusive  or complement compare and rotate are called  logical  operations. Generally flags ( not all always) are modified

Input output, Input output The parallelogram symbol  is used to repres...

Input output The parallelogram symbol  is used to represent the input output  process as shown  below.                 IN01H

Power electronics, principle of 120 degree mode of operation of voltage sou...

principle of 120 degree mode of operation of voltage source intverter

Calculate the impedance, What is the impedance Z between terminals A and B ...

What is the impedance Z between terminals A and B of the networks shown below? Express your answers in polar form. Three voltages represented by v 1 (t)=100cosωt, v 2 (t)=7

Active-mode npn transistors in circuits, Active-mode NPN transistors in cir...

Active-mode NPN transistors in circuits Figure:  Structure and use of NPN transistor. Arrow according to schematic. The figure opposite is a schematic presentation

Earthing in electricity and gas hazards, Earthing : Any electrical applian...

Earthing : Any electrical appliance with a metal casing or with metal parts, likely to be touched by an operator is potentially dangerous. The danger is that an internal or extern

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd