Explain current-to-current amplifier, Electrical Engineering

Assignment Help:

Q. Explain Current-to-Current Amplifier ?

The circuit given in Figure is to amplify a current fed to the input of the op amp. Applying KCL at Y,

1782_Current-to-Current Amplifier.png

i1 + iS = io

Since i1 = - vY /R1, Equation becomes

iS - vYR1 = io

Because X is a virtual ground, vY =-iSRf . Hence Equation becomes

The current gain is then given by

1622_Current-to-Current Amplifier1.png

1026_Current-to-Current Amplifier2.png


Related Discussions:- Explain current-to-current amplifier

Find the new synchronous speed, Q. A wye-connected, three-phase, 50-Hz, six...

Q. A wye-connected, three-phase, 50-Hz, six-pole synchronous alternator develops a voltage of 1000 V rms between the lines when the rotor dc field current is 3A. If this alternator

Field effect transistor, Field effect transistor: Primarily difference...

Field effect transistor: Primarily difference between bit and jet is that bit transistor is a current controlled device while jet is a voltage controlled device.  Is a direct

What is meant by doping, What is meant by doping? How does it affect a semi...

What is meant by doping? How does it affect a semiconductor? Doping: The process through which an impurity is added to semiconductor is termed as doping. A semiconductor to th

How does expert system works, How does Expert system works? System uses...

How does Expert system works? System uses a rule base and an inference engine together to simulate human reasoning whenever analysing a problem and arriving at a conclusion. To

Find the per-phase impedance of the load, Q. The two-wattmeter method for m...

Q. The two-wattmeter method for measuring three-phase power is applied on a balanced wye-connected load, and the readings are given by W C = 836W and W A = 224 W If the system

Express the differential equation, A network function is given by ...

A network function is given by (a) For x(t) = δ(t), obtain y(t). (b) For x(t) = u(t), obtain y(t). (c) For x(t) = e -4t , obtain y(t). (d) Express the differenti

What do you mean by nibble, Q. What do you mean by Nibble? The nibble i...

Q. What do you mean by Nibble? The nibble is a collection of bits on a 4-bit boundary. It would not be a particularly interesting data structure except for two items BCD (binar

What is the value of the lsb resistor, Q. For a 10-bit R-2R ladder-network ...

Q. For a 10-bit R-2R ladder-network D/A converter with an MSB resistor value of 10 k, what is the value of the LSB resistor?

Explain the purpose of the i/o instructions in and out, Explain the purpose...

Explain the purpose of the I/O instructions IN and OUT. The IN instruction is used to move data from an I/O port into the accumulator. The OUT instruction is used to move d

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd