Please Log in or Register for more.

Explain open emitter BJT drive circuit.

Explain open emitter BJT drive circuit.

262 views

asked Feb 19, 2018 by anonymous
recategorized Apr 21, 2018

1 Answer

Answer :

open emitter BJT drive circuit:

answered Feb 20, 2018 by anonymous

Please log in or register to answer this question.

Related Questions

If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be

If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be A) 0.98 B) 0.41 C) 59 D) 55
Last Answer : If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be 0.98

190 views 1 answer

asked Jun 18, 2018 by anonymous

Explain MOSFET gate drive circuit and totem pole configuration.

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.

348 views 1 answer

asked Feb 19, 2018 by anonymous

Explain DC coupled drive circuit with unipolar output.

Explain DC coupled drive circuit with unipolar output.
Last Answer : DC coupled drive circuit with unipolar output: The figure shows the circuit and waveforms

515 views 1 answer

asked Feb 19, 2018 by anonymous

Explain thyristor gate drive circuit.

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.

3.0k views 1 answer

asked Feb 19, 2018 by anonymous

basic gate drive circuit of GTO

basic gate drive circuit of GTO
Last Answer : basic gate drive circuit of GTO

896 views 1 answer

asked Nov 14, 2017 by anonymous

Describe the difference between an open circuit and a short circuit.

Describe the difference between an open circuit and a short circuit.
Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit

7.8k views 3 answers

asked Jun 29, 2019 by anonymous

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

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

289 views 1 answer

asked Apr 25, 2018 by anonymous

It is required to measure the true open circuit e.m.f. of a battery. The best device is?

Last Answer : It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. potentiometer.

284 views 1 answer

asked Mar 21, 2018 by anonymous

During open circuit test of a transformer?

During open circuit test of a transformer?
Last Answer : During open circuit test of a transformer primary is supplied rated voltage.

110 views 1 answer

asked Mar 19, 2018 by anonymous

in open circuit or no load test of transformer which side is open circuited?

Last Answer : High Voltage side is open circuited.

116 views 1 answer

asked Sep 27, 2017 by anonymous

in open circuit or no load test of transformer which side is low voltage side and which side is high voltage side?

Last Answer : Primary side is low voltage side and secondary side is high voltage side.

121 views 1 answer

asked Sep 27, 2017 by anonymous

Why common emitter configuration is commonly used?

Why common emitter configuration is commonly used?
Last Answer : Common emitter configuration is commonly used for amplifications because 1. The common emitter configuration (CE) provides maximum voltage and current gain and hence provides maximum power gain. The ... automatic impedance matching maximum power transfer will take place from one stage to other.

172 views 1 answer

asked Sep 4, 2018 by anonymous

The ac bypassing of RF by CF in a common emitter configuration :

The ac bypassing of RF by CF in a common emitter configuration : (A) increases ac signal across emitter -base junction (B) decreases ac signal across emitter -base junction (C) decreases voltage amplification (D) stabilizes the Q -point
Last Answer : The ac bypassing of RF by CF in a common emitter configuration : increases ac signal across emitter -base junction

109 views 1 answer

asked Apr 30, 2018 by anonymous

What is emitter biasing?

What is emitter biasing?

107 views 0 answers

asked Mar 22, 2018 by anonymous

Explain the formation of parasitic BJT and parasitic diode in Power MOSFET.

Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?
Last Answer : Parasitic Diode: The parasitic diode is in between drain and source. The MOSFET structure itself contains parasitic diode or body drain diode. This parasitic diode allows the reverse flow of current when the ... of MOSFET as a BJT collector. Parasitic BJT operates in the cut-off region.

2.6k views 1 answer

asked Feb 6, 2018 by anonymous

Explain the on state losses in power BJT.

Explain the on state losses in power BJT.
Last Answer : On state losses in power BJT: Transistor have four types of losses one is turn on state losses second is turn off state losses third is turn on switching losses and fourth is turn ... ON = VCE sat x IC With increasing collector current collector to emitter saturation voltage increases.

295 views 1 answer

asked Sep 15, 2017 by anonymous

Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ?

Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown
Last Answer : Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown

3.2k views 1 answer

asked Apr 28, 2018 by anonymous

What is the difference between beta and forced beta for BJT?

What is the difference between beta and forced beta for BJT?

554 views 0 answers

asked Feb 20, 2018 by anonymous

Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.

Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.
Last Answer : Power MOSFET have high turning on and turning off capability high switching speed of MOSFET is due to the high rate of change of drain voltage. The switching losses of power MOSFET ... lower frequency. Hence, operating frequency of power MOSFET is higher than that of power BJT.

983 views 1 answer

asked Feb 3, 2018 by anonymous

Compare BJT, MOSFET and IGBT .

Compare BJT, MOSFET and IGBT .
Last Answer : BJT MOSFET IGBT BJT is a current controlled device. MOSFET is a voltage controlled device. IGBT is a voltage controlled device. The input impedance of BJT is low. ... is minority carrier device. MOSFET is majority carrier device. IGBT is minority carrier device.

448 views 1 answer

asked Nov 10, 2017 by anonymous

why IGBT is preferred as a power switch over both power BJT and MOSFET?

Last Answer : Because it has a higher switching frequency and heat tolerance.

143 views 1 answer

asked Sep 15, 2017 by anonymous

why igbt is used instead of bjt and mosfet?

Last Answer : ON state losses of IGBT is less as compared to MOSFET and BJT.

141 views 1 answer

asked Sep 13, 2017 by anonymous

Explain transformer isolated drive circuits providing both signal and power.

Explain transformer isolated drive circuits providing both signal and power.

85 views 0 answers

asked Mar 11, 2018 by anonymous

Draw circuit diagram of voltage divider biasing list two advantages of voltage divider biasing of BJT.

Draw circuit diagram of voltage divider biasing list two advantages of voltage divider biasing of BJT.
Last Answer : Two advantages of voltage divider biasing of BJT. 1. It is very simple method of transistor biasing. 2. The biasing conditions can be very easily set. 3. there is no loading of ... 5. The resistor RE introduces a negative feedback. So all the advantages of negative feedback are obtained.

778 views 1 answer

asked Sep 5, 2018 by anonymous

What is the need for electrically isolated drive circuits?

What is the need for electrically isolated drive circuits?

65 views 0 answers

asked Mar 11, 2018 by anonymous

What are the fundamental requirements of gate drive ICs?

What are the fundamental requirements of gate drive ICs?

112 views 0 answers

asked Mar 11, 2018 by anonymous

State 2 advantages of JFET over BJT.

State 2 advantages of JFET over BJT.
Last Answer : Advantages of JFET over BJT: 1) High input impedance 2) Better thermal stability 3) Produce less noise 4) Smaller than BJT 5) Rugged in construction and simpler to fabricate 6) High degree of isolation between Input and Output.

235 views 1 answer

asked Jun 24, 2020 by anonymous

List specification of BJT.

List specification of BJT.
Last Answer : * The bipolar junction transistor (BJT) has small signal current gain, α (hfb). * Maximum collector current Ic (max). * Maximum collector to emitter voltage, VCE (max). * Collector to emitter ... . * Collector to emitter cut off voltage, VCEO. * Base emitter saturation voltage, VBE (sat).

109 views 1 answer

asked May 2, 2020 by anonymous

State reason BJT is called as bipolar junction transistor.

State reason BJT is called as bipolar junction transistor.
Last Answer : BJT is called bipolar junction transistor because in BJT current conduction takes place due to majority as well as minority charge carriers.

5.1k views 1 answer

asked Jul 24, 2019 by anonymous

List configurations of BJT.

List configurations of BJT.
Last Answer : Configurations of BJT : 1) Common Base (CB) configuration 2) Common Emitter (CE) configuration 3) Common Collector (CC) configuration

65 views 1 answer

asked Jul 10, 2019 by anonymous

State the need of biasing of BJT.

State the need of biasing of BJT.
Last Answer : Need of biasing: The basic need of transistor biasing is to keep the base-emitter (B-E) junction properly forward biased and the collector-emitter (C-E) junction properly reverse biased ... transistor biasing is necessary for normal and proper operation of transistor to be used for amplification.

262 views 2 answers

asked Sep 5, 2018 by anonymous

Compare BJT with FET

Compare BJT with FET
Last Answer : FET BJT It is unipolar device i.e. current in the device is carried either by electrons or holes It is bipolar device i.e. current in the device is carried either by ... from minority- carrier storage effects & therefore has lower switching speeds & cut-off frequencies.

69 views 1 answer

asked Sep 5, 2018 by anonymous

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

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.

757 views 1 answer

asked Sep 5, 2018 by anonymous

An FET is a better chopper than a BJT because it has

An FET is a better chopper than a BJT because it has (A) lower offset voltage (B) higher series ON resistance (C) lower input current (D) higher input impedance
Last Answer : An FET is a better chopper than a BJT because it has lower offset voltage

676 views 1 answer

asked Apr 26, 2018 by anonymous

What is the difference between BJT and FET?

What is the difference between BJT and FET?
Last Answer : BJT is a current opperated transistor while FET is a field opperated transistor.

2.7k views 1 answer

asked Mar 19, 2018 by anonymous

What is a BJT amplifier?

What is a BJT amplifier?
Last Answer : Bilpolar Juntion transistor , this fuction is control the current

100 views 1 answer

asked Mar 19, 2018 by anonymous

How can BJT be used as an amplifier?

How can BJT be used as an amplifier?

86 views 0 answers

asked Mar 19, 2018 by anonymous

Is the input impedance of MOSFET more than BJT and FET?

Is the input impedance of MOSFET more than BJT and FET?
Last Answer : Yes, the input impedance of MOSFET more than BJT and FET.

544 views 1 answer

asked Mar 19, 2018 by anonymous

What is a BJT?
Last Answer : Bipolar Junction Transistor (BJT): BJT is a Bipolar device. (Uses both electrons and holes charge carrier for current conduction) Two Junctions (Emitter junction & collector ... mode (Current amplification) Cutoff mode (Open switch) Saturation mode (Close switch)

741 views 2 answers

asked Mar 10, 2018 by anonymous

is IGBT costlier than BJT and MOSFET?

Last Answer : Yes IGBT is costlier than BJT and MOSFET.

2.6k views 1 answer

asked Sep 29, 2017 by anonymous

does the BJT have internal capacitance?

Last Answer : Yes BJT have internal capacitances.

88 views 1 answer

asked Sep 27, 2017 by anonymous

in which region BJT act as a switch?

Last Answer : BJT act as switch in saturation and cutoff region ( ON state in saturation region and OFF state in cut-off region )

127 views 2 answers

asked Sep 27, 2017 by anonymous

in which BJT operating region both the junctions are reverse biased?

Last Answer : In cut-off region of BJT both the emitter-base junction and collector-base junction are reverse biased.

94 views 2 answers

asked Sep 27, 2017 by anonymous

in which region BJT act as amplifier?

Last Answer : Active region of BJT act as amplifier.

120 views 2 answers

asked Sep 27, 2017 by anonymous

what are the three operating regions of BJT?

Last Answer : Active , Saturation , Cut-off region of operations in BJT.

2.7k views 2 answers

asked Sep 27, 2017 by anonymous

Does BJT have second breakdown problem?

Last Answer : Yes BJT have second breakdown problem.

99 views 1 answer

asked Sep 23, 2017 by anonymous

Is BJT current controlled or voltage controlled?

Last Answer : BJT is current controlled device.

143 views 4 answers

asked Sep 23, 2017 by anonymous

BJT have how many terminals?

Last Answer : BJT have three terminals Base, emitter and collector.

120 views 1 answer

asked Sep 21, 2017 by anonymous

what is the value of Beta in power BJT?

What is the value of Beta in power BJT?
Last Answer : The beta value in power BJT is 5 to 10.

105 views 1 answer

asked Sep 20, 2017 by anonymous

why bjt is called current controlled device?

Last Answer : In BJT there is movement of electrons and holes accros the junctions which is basicaly current flow.

363 views 2 answers

asked Sep 10, 2017 by anonymous

Show More ⇦ Previous Next ⇨