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How can BJT be used as an amplifier?

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How does negative feedback reduces distortion in an amplifier?

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The unity gain bandwidth of an inverting amplifier is 10 MHz What would be the bandwidth if the gain is increased to 10 V/V? A) 100 MHz B) 1 MHz C) 10 MHz D) 1 kHz 

asked Jun 18, 2018 in Amplifier by Shimroz123
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asked May 3, 2018 in Power Electronics by Shimroz123
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asked Apr 26, 2018 in Control System by Shimroz123
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asked Apr 26, 2018 in Electronics Engineering by Shimroz123
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asked Jun 18, 2018 in Electronics Engineering by Shimroz123
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asked Sep 5, 2018 by Shimroz123
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An amplifier has a voltage gain of 120. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is  (1) 141 (2) 92.3 (3) 9.23 (4) 1.41

asked May 1, 2018 in Power Electronics by Shimroz123
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What do you mean by frequency response of an amplifier?

asked Mar 10, 2018 in Analog electronics circuits by Quiz
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Which of the following thyristors can be used for high frequency of operation? A) TRIAC B) DIAC C) SCR D) GTO 

asked Jun 18, 2018 in Thyristor by Shimroz123
1 answer 17 views

Which of the following gates can be used to realize all possible combinational logic functions?  (i) OR gate (ii) NOR gate (iii) Exclusive OR gate (iv) NAND gate (v) AND gate  (A) (iii), (iv) and (v)  (B) (i), (iii) and (iv)  (C) (ii) and (iv)  (D) (i) and (v)

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1 answer 103 views

Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these

asked Apr 29, 2018 in Electrical Measurements and Instrumentation by Shimroz123
2 answers 19 views

A bipolar junction transistor (BJT) is used as a power control switch by biasing it in the cut-off region (OFF state) or in the saturation region (ON state). In the ON state, for the BJT  (A) both the base-emitter and base-collector junctions are reverse biased (B) the base-emitter junction is reverse ... (C) the base-emitter junction is forward biased, and the base-collector junction is reverse biased (D) both the base-emitter and base-collector junctions are forward biased

asked May 18, 2018 in Bipolar Junction Transistor by Shimroz123
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List configurations of BJT. 

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State the need of biasing of BJT.

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1 answer 31 views

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asked Sep 5, 2018 by Shimroz123
1 answer 10 views

Compare BJT with FET

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

asked Sep 5, 2018 by Shimroz123
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Which phenomenon is present in thyristors but absent in BJT, MOSFET and IGBT ? (A) forward conduction (B) latching (C) forward blocking (D) reverse breakdown

asked Apr 28, 2018 in Power Electronics by Shimroz123
1 answer 28 views

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

asked Mar 19, 2018 in MOSFET by Shimroz123
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What is a BJT?

asked Mar 10, 2018 in Electronics Engineering by Quiz
0 answers 197 views

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

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1 answer 127 views

Explain open emitter BJT drive circuit.

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1 answer 995 views

Explain the formation of parasitic BJT and parasitic diode in Power MOSFET. Can parasitic diode be used in same power electronics applications?

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1 answer 403 views

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

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Compare BJT, MOSFET and IGBT .

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Explain the on state losses in power BJT.

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