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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,
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
The block diagram of Figure is a functional representation of a type of digital control system, in which G and H serve the same function as in any feedback system. Note that the er
Q. What do you mean by Transconductance? The control that the gate voltage has over the drain current is measured by transconductance and is similar to the transconductance of
Three Phase AC Circuit: Alternating circuits thus far discussed have single phase supply system and it's satisfactory for domestic application as light, fan and heating, etc.
Q. What do you mean by Pinch off voltage? As the voltage Vds is increased from 0 to a few volts, the drain current will increase as determined by Ohm's law and the plot of Id
Q. What is Traffic Intensity? Traffic Intensity: Traffic load on a given network may be on local switching unit, interoffice trunk lines or other common subsystem. For analyti
Q. Figure gives the frequency-response graphs for a 709 op amp. Choose compensating components for the circuit to have a gain of 100 and a frequency response of up to 100 kHz.
Q. A separately excited dc generator with an armature-circuit resistance Ra is operating at a terminal voltage Vt, while delivering an armature current Ia, and has a constant loss
Practical application of rc coupled amplifer
thermal runaway assingment
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