Give some examples of linear wave shaping circuits. What is meant by hysteresis voltage in a schmitt trigger. The nonlinear wave shaping circuits use the switching properties of diodes and transistors to realize the various functions. Electronic circuits unit wise viva short questions and answers pdf rajeev reddy nareddula. It is a wave shaping circuit, used for generation of a square wave from a sine wave input. Multi choice questions on filters and waveshaping circuits. Switching and wave shaping circuits mcq based short. High pass and low pass rc circuits and their response for sinusoidal, step, pulse, square wave, ramp and exponential inputs, rc network as a differentiator and integrator, attenuators and its applications in cro probe, rl and rlc circuits and their response to step input, ringing circuit.
Diode circuit analysis by assumed diode states 1 specify ideal diode model or piecewiselinear diode model id a id a reverse bias forward bias vd v reverse bias forward bias 2 each diode can be on or off vdon 3 circuit containing n diodes will have 2 n states 4 the combination of states that works for all di d i t t ith. Collector coupled and emitter coupled astable multivibrator monostable multivibrator bistable multivibrators. Sine wave signals find their use mostly in analog circuits, such as. Each atom in a silicon crystal has a four valence electrons b four. Wave shaping circuits free download as powerpoint presentation. Multiple choice questions and answers on solid state. Rc circuit for capacitor charging and discharging mcqs. That limits or clips the positive part of the input voltage. Multiple choice questions ae on rectifiers and filters. Wave shaping circuits an rc network can change the shape of complex waveforms so that the output barely resembles the input.
Because the inductor reacts to a changing current, it is known as a reactive component. Determine the output waveform of negative small signal half wave rectifier. A differentiating circuit is a simple series rc circuit where the output is taken across the resistor r. A nonlinear circuit is an electric circuit whose parameters are varied with respect to current and voltage.
Wave shaping circuits electronic oscillator electromagnetism. A circuit that places either the positive or negative peak of a signal at a desired d. Neets module 9 wave generation and wave shaping unclassified 14 unclassified 1. The wave forms associated with this circuit are shown in figure i b. For example, the half wave rectifier is a clipper circuit. The circuit is designed such that the current through the load is always in the same direction during both the half cycles. It is very easy to understand and help you to improve your skill. Recombination is when a an electron falls into a hole b a positive and a negative ion bond together ca valence electron becomes a conduction electron da crystal is formed q. Download free sample and get upto 48% off on mrprental. In other words, an electric circuit in which circuit parameters resistance, inductance, capacitance, waveform, frequency etc is not constant, is called non linear circuit. This clipping of the input signal produces an output waveform that resembles a flattened version of the input. This is the multiple choice questions in diode applications from the book electronic devices and circuit theory 10th edition by robert l.
Breakpoint method piecewise linear transfercurve lowvalued r is assumed v 1 and v 2 are constant 2 in 1 0 2 d 5 4 5 0 1 d in d 1 1 in 2 2 d 1 in 1 out in v v d is on limit v to v v. Timing circuits networks composed of resistors, capacitors and inductors are called linear network and they do not change the waveform of a sine wave when it is transmitted through them. Ec2251 electronic circuits ii department of ece mahalakshmi engineering college tiruchirapalli6212. A sine wave input has a sine wave output and hence the nonsinusoidal inputs are more prominently used to understand the linear wave shaping. Perhaps the most widely used component of all circuits ib the rc circuit, consisting of a condenser in series with one or more resistors. Opto electronic devices and wave shaping circuits study material for all subject study materials click here opto electronics is the study and application of electronic devices and systems that source, detect and control light, usually considered a subfield of photonics. Differentiating circuit a f provides f v 2 derivative of v 1 v 2. The circuit is suitably designed so that the output is proportional to the derivative of the input. Ee40 lec 18ee40 lec 18 diode circuitsdiode circuits. Electronhole pair are produced by a recombination b thermal energy c ionization ddoping q. Electronic circuits used to create or modify specified timevarying electrical voltage or current waveforms using combinations of active electronic devices, such as transistors or analog or digital integrated circuits, and resistors, capacitors, and inductors. Filtering is the process of attenuating the unwanted signal or to reproduce the selected portions of the frequency components of a particular signal.
Digital electronics wave shaping clipping clamping and. It is a bistable circuit in which two transistor switches are connected regeneratively. Hello students, useful for students preparing for railway loco pilot, technician, group d, rrb je sse, rpsc aen state je, ssc je. We study the response of high pass rc and rl circuits to different types of inputs in the following sections. In this section of digital electronics wave shaping clipping clamping and sweep circuits mcq based short questions and answers,we have tried to cover the below lists of topics. Taihaur kuo app12 3 electronics3, 20 sine wave shaper cont. Wave shaping circuits capacitor electronic engineering. Complete list of mcq in electronic devices and circuit theory by robert l.
To understand diode clipping circuits clipper or limiter to understand diode clamping circuits clamper apparatus oscilloscope function generator bench dc power supplies diode,resistor, and capacitor. Filters are widely used to give circuits such as amplifiers, oscillators and power supply circuits the required frequency characteristic. The main difference between linear and nonlinear circuit. Unit iv wave shaping and multivibrator circuits part a 2 marks 1. The circuit, with which the waveform is shaped by removing or clipping a certain. The process by which the shape of a nonsinusoidal signal is changed by passing the signal through. Join us to get most powerful study material send us your. Pulse and digital circuits lab manual only for reference 1 pulse and digital circuits lab manual only for reference experiment no. In a half wave rectifier, the load current flows for what part of the cycle. The most commonly required signals in electronic circuits are sine and pulse. The amount of distortion is determined by the rc time constant.
Multiple choice questions and answers by sasmita march 16, 2019 multiple choice questions and answers on solid state switching circuits in addition to reading the questions and answers on my site, i would suggest you to check the following, on amazon, as well. Then if the input signal is a sine wave, an rc integrator will simply act as a simple low pass filter lpf with a cutoff or corner frequency that corresponds to the rc. The process of producing nonsinusoidal output wave forms from sinusoidal input, using nonlinear elements is called as nonlinear wave shaping. An integrator is a rc circuit whose output is the integral of the input. Opto electronic devices and wave shaping circuits study. Basic electrical and electronics 225 important mcq pdf. In a buffer circuit, output voltage follows the input voltage. Clipper circuits a clipper circuit is a circuit that rejects the part of the input wave specified while allowing the remaining portion. The most important nonlinear wave shaping circuits are.
Full wave rectifier with centretapped transformer the circuit consists of a centertapped transformer, followed by the recti. Differentiating circuit a circuit in which output voltage is directly proportional to the derivative of the input is known as a differentiating circuit. Show that the output of a differentiator circuit is derivative of the input. A special type of wave generator which is used to produce a single narrow pulse. Mcqs clipper and clamper circuits wave shaping circuit. Electronic circuits unit wise viva short questions and. In this section of electronic devices and circuits switching and wave shaping circuits, mcq based short questions and answers. Electronic circuits linear wave shapping tutorialspoint. Try our quiz, based on the information you can find in module 8. Pulse and digital circuits lab manual only for reference. Dmrc maintainer iti electronics mechanic hand written imp.
Signals, frequency spectrum of signals, analog and digital signals, linear wave shaping circuits. The diode clipper, also known as a diode limiter, is a wave shaping circuit that takes an input waveform and clips or cuts off its top half, bottom half or both halves together. In a full wave rectifier, the current in each diode flows for a. In this page you can learn various important mosfet questions answers,sloved questions on mosfet and lots of important mcq on mosfet etc. Basic electronics unit1 10 hours introduction to electronics. Pulse and digital circuits unit wise important questions and answers. Home amplifiers electronic circuits electronics electronic circuits unit wise viva short questions and answers pdf. Online open quiz mcqs on pulse and digital circuits pdc. Circuits make use of the transientproperties of r, c andltorealizethemathematical operations ofdifferentiations,integration andsummation. The type of distortion is determined by the component the output is taken.
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