Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Electrical & Electronics Expert

problem1) Answer all the problems:

a) Describe why positive feedback and not negative feedback is essential to produce oscillators.

b) What is feedback in amplifiers. prepare down the difference between current and voltage feedback?

c) Describe why BIT’s are called bipolar devices while FET are called unipolar devices and how divine current is controlled in JFET.

d) What do you mean by reverse saturation current of a diode?

e) What is the importance of stability factor in transistor operation.

problem2) describe and prove reciprocity theorem.

problem3) Draw the circuit diagram of Huntley oscillator and briefly describe how the oscillations are maintained in this oscillator.

problem4) Draw a block diagram of feedback amplifiers in the following configuration.

i) Voltage series feedback.

ii) Voltage shunt feedback. Determine an expression for voltage gain of an amplifier with negative feedback in configuration.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M94173

Have any Question? 


Related Questions in Electrical & Electronics

The single-phase full-bridge inverter from fig 62a has a

The single-phase full-bridge inverter from Fig. 6.2a has a square-wave voltage across a series R-L load. The switching frequency is 50 Hz, the DC input voltage is 250 V, and the load is a serial connection of R = 10 Ω an ...

Suppose a geologist has collected 15 specimens of a certain

Suppose a geologist has collected 15 specimens of a certain rock, call it R1, and 10 specimens of... Suppose a geologist has collected 15 specimens of a certain rock, call it R1, and 10 specimens of another rock, call it ...

1 what is the significance of a nonzero net right-lateral

1. What is the significance of a nonzero net right-lateral differential of and normal to the z-direction at a point in space? 2. If a pair of E and B at a point satisfies Faraday's law in differential form, does it neces ...

In the system shown in figure 755 steady-state conditions

In the system shown in Figure 7.55, steady-state conditions are established with the switch S closed.At t = 0, he switch is opened. (a) Sketch the voltage and current along the system for t = 0-. (b) Find the total energ ...

1 a rectangular block of concrete 3 ft times 3ft times 6 in

1. A rectangular block of concrete 3 ft × 3ft × 6 in. has its 6- in. side half buried at the bottom of a lake 23 ft deep. What force is required to lift the block free of the bottom? What force is required to maintain th ...

1 if the ram and auto rack in the previous problem together

1. If the ram and auto rack in the previous problem together have a mass of 680 kg, estimate the maximum sinking speed of the ram and rack when gravity and viscous friction are the only forces acting. Assume 2.44 m of th ...

1 what is the steady-state equivalent of a line excited by

1. What is the steady-state equivalent of a line excited by a constant voltage source? What is the actual situation in the steady state? 2. Discuss the bounce-diagram technique of keeping track of the bouncing back and f ...

A bounded-amplitude signal xt has bilateral laplace

A bounded-amplitude signal x(t) has bilateral Laplace transform X(s) given by a. Determine the corresponding region of convergence. b. Determine the time-domain signal x(t).

Election polls oversight a reflection on forecast accuracy

Election Polls Oversight: A reflection on Forecast Accuracy and Bias The media, locally and internationally, has been labeling this Election results as Unexpected, based on early predictions that did not realize. We kept ...

A communication link at a frequency of 30 mhz uses a

A communication link at a frequency of 30 MHz uses a half-wave dipole for the transmitting antenna and a small loop (directivity equal to 1.5) for the receiving antenna, involving a distance of 100 km. The antennas are o ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro