Explain DC coupled drive circuit with unipolar output.

Explain DC coupled drive circuit with unipolar output.
by
recategorized

1 Answer

Answer :

DC coupled drive circuit with unipolar output:

The figure shows the circuit and waveforms

image

by

Related questions

igbt is unipolar or bipolar?

Last Answer : IGBT is a bipolar device.

Explain MOSFET gate drive circuit and totem pole configuration.

Description : Explain MOSFET gate drive circuit and totem pole configuration.

Last Answer : MOSFET gate drive circuit: The turning on and turning off of MOSFET can be controlled from gate to source voltage signal. If the gate to source voltage of MOSFET exceeds threshold ... this configuration, the two switches (transistors) are used in totem pole arrangement with a comparator.

Explain open emitter BJT drive circuit.

Description : Explain open emitter BJT drive circuit.

Last Answer : open emitter BJT drive circuit:

Explain thyristor gate drive circuit.

Description : Explain thyristor gate drive circuit.

Last Answer : Thyristor Gate Drive Circuit: The thyristor can be turned on by pulse voltage signal at gate terminal and it does not require continuous drive signal like the transistor. The gate ... circuit provide required minimum gate voltage and gate current then the thyristor conducts properly.

basic gate drive circuit of GTO

Description : basic gate drive circuit of GTO

Last Answer : basic gate drive circuit of GTO

What is the difference between AC and DC drive?

Description : What is the difference between AC and DC drive?

Last Answer : AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz

Compare between BJT and FET on the basis of (i) Biolar/Unipolar (ii) Tharmal Runaway (iii) Noise (iv) Applications

Description : Compare between BJT and FET on the basis of (i) Biolar/Unipolar (ii) Tharmal Runaway (iii) Noise (iv) Applications

Last Answer : Parameter BJT FET Bipolar/Unipolar It is bipolar device i.e. current in this device is carried by electrons and holes. It is unipolar device i.e. current ... in oscilloscopes, electronic voltmeters and other measuring and testing equipment because of their high input impedance.

State the need of cascade amplifier and draw circuit diagram of 2-stage direct coupled amplifier.

Description : State the need of cascade amplifier and draw circuit diagram of 2-stage direct coupled amplifier.

Last Answer : Need:- The voltage (or power) gain, obtained from a single stage small signal amplifier, is limited. Therefore, it is not sufficient for all practical applications. Therefore, in order to obtain greater voltage and power gain, cascade amplifiers are used.

Explain the pulse width modulation technique for control of AC output voltage.

Description : Explain the pulse width modulation technique for control of AC output voltage.

State maximum power transfer theorem for DC circuit.

Description : State maximum power transfer theorem for DC circuit.

Last Answer : Maximum power transfer theorem for DC circuit: The maximum power transfer theorem states that the source or a network transfers maximum power to load only when the load resistance is equal ... removed (disconnected) ii) All internal independent sources are replaced by their internal resistances.

Define- (i) Node (ii) Loop for a DC circuit

Description : Define- (i) Node (ii) Loop for a DC circuit

Last Answer : Ans: i) Node: A point or junction at which two or more elements of network are connected is called as node. ii) Loop: A closed path for flow of current in an electrical circuit is called loop.

For a DC circuit capacitor is

Description : For a DC circuit capacitor is

Last Answer : For a DC circuit capacitor is virtually an open circuit

A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC

Description : A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the

Last Answer : A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the C only

A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______

Description : A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______ A) DC voltage restorer B) Clamping circuit C) Both A and B D) None of these

Last Answer : A circuit that binds the upper or lower extreme of a waveform to a fixed DC voltage level is called ______ A) DC voltage restorer B) Clamping circuit C) Both A and B D) None of these

Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch

Description : Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these

Last Answer : Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these

What is DC analysis of a circuit?

Description : What is DC analysis of a circuit?

applications of RC coupled amplifier

Description :  applications of RC coupled amplifier

Last Answer : Applications of RC coupled amplifier: (i) Widely used as Voltage amplifiers. (ii) They are used in Public Address System. (iii) In Tape recorders. (iv) In stereo amplifiers (v) In T.V. V.C.R. and C.D. Players.

advantages and disadvantages of direct coupled amplifier over RC coupled amplifier.

Description : advantages and disadvantages of direct coupled amplifier over RC coupled amplifier. 

Last Answer : Advantages:  Due to absence of coupling capacitors, the gain does not reduce on the lower frequency side.  This amplifier can amplify dc signals. Reduced cost and complexity due to absence of ...   The output waveform has a dc shift.  Poor frequency response at a higher frequency.

transformer coupled amplifier

Description :  transformer coupled amplifier

Last Answer :  transformer coupled amplifier

State the need of multistage amplifier. Draw frequency response of R-C coupled amplifier.

Description : State the need of multistage amplifier. Draw frequency response of R-C coupled amplifier.

Last Answer : The need of multistage amplifier The voltage (or power) gain, obtained from a single stage small signal amplifier, is limited. Therefore, it is not sufficient for all practical applications. Therefore, in ... to use a MULTISTAGE AMPLIFIER .  Frequency response of R-C coupled amplifier.

Compare RC coupled, transformer coupled and direct coupled amplifier based on four points.

Description : Compare RC coupled, transformer coupled and direct coupled amplifier based on four points.

Last Answer : Parameter RC coupled Transformer coupled Direct coupled  Coupling element Resistor and capacitor Transformer No element Impedance matching Poor Excellent good Frequency ... Low frequency amplifier,opamp Size and cost small Large and bulky least

List the advantages of RC coupled amplifier.

Description : List the advantages of RC coupled amplifier.

Last Answer : Advantages: 1. The frequency response is excellent 2. The circuit is very compact and extremely light 3. Cost is low because it employ resistors and capacitors which are cheap 

An alternator coupled to a _____ runs at slow speed, as compared to others.

Last Answer : An alternator coupled to a hydraulic turbine runs at slow speed, as compared to others.

Explain transformer isolated drive circuits providing both signal and power.

Description : Explain transformer isolated drive circuits providing both signal and power.

Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.

Description : Explain full wave bridged rectifier with the help of circuit diagram and input output waveform.

Last Answer : 1. In positive half cycle (0 to Π): The end A of the secondary winding becomes positive and end B negative. This makes diode D1 and D4 forward biased while diode D2 and D3 are reverse biased. These two diodes will ... D2 and D3 when it is conducting is as follows.  B - D2 - RL - D3 - A 

State the need for reduction of harmonics in inverters.

Description : State the need for reduction of harmonics in inverters. Enlist the various methods for reduction of harmonics in inverter output.

What is the need for electrically isolated drive circuits?

Description : What is the need for electrically isolated drive circuits?

What are the fundamental requirements of gate drive ICs?

Description : What are the fundamental requirements of gate drive ICs?

A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is ...

Description : A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is connected to the source. Maximum power dissipated in the load is (A) 300 W (B) 150 W (C) 45 W (D) 20 W

Last Answer : A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is connected to the source. Maximum power dissipated in the load is 150 W

The power factor of a D.C. circuit is always?

Description : The power factor of a D.C. circuit is always?

Last Answer : The power factor of a D.C. circuit is always unity.

All the rules and laws of D.C. circuit also apply to A.C. circuit containing?

Description : All the rules and laws of D.C. circuit also apply to A.C. circuit containing?

Last Answer : All the rules and laws of D.C. circuit also apply to A.C. circuit containing resistance only.

If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens?

Last Answer : If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens this will make armature to take heavy current, possibly burning it.

What Are Input & Output Devices?

Description : What Are Input & Output Devices?

Last Answer : Answer :Keyboards, Floppy disk are the examples of input devices. Printer, LED / LCD display, CRT Monitor are the examples of output devices.

Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.

Description : Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life. 

Last Answer : 1) Effect on Current:- In LED current depends upon supply voltage, if voltage get changes then current also change but this change in current will be control by resistors which are connected in series.  2) ...   4) Effect on Life:- If supply voltage is not stable then life of LED get reduced. 

With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

Description : With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

Last Answer : Working of N channel FET: * When a voltage is applied between the drain and source with a DC supply (VDD), the electrons flows from source to drain through narrow channel ... where the channel gets completely blocked and the drain current becomes zero is called pinch- off voltage. 

Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage

Description : Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage

Last Answer : Definition of parameters of OPAMP is follows:  i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.

A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.

Description : A linear network has a current input 4cos(ω t + 20º)A and a voltage output 10 cos(ωt +110º) V. Determine the associated impedance.

Last Answer : Solution

The largest change of input quantity for which there is no output of instrument is called ______

Description : The largest change of input quantity for which there is no output of instrument is called ______ A) Dead time B) Dead input C) Dead output D) Dead zone

Last Answer : The largest change of input quantity for which there is no output of instrument is called Dead zone

In a battery, the difference between the no-load voltage and the measured voltage output is called ________

Description : In a battery, the difference between the no-load voltage and the measured voltage output is called ________ A) Internal voltage B) Internal resistance C) External resistance D) All the above

Last Answer : In a battery, the difference between the no-load voltage and the measured voltage output is called Internal resistance