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Q. What is Trans conductance?
It is ratio of small change in drain current to the corresponding change in the gate-to-source voltage for a constant gate-to-source voltage .it is also called forward Trans conductance or forward transmittance.
Gm = ΔID/ΔVGS
The value of the trans conductance is expressed in terms of siemens (s) or mhos .the transfer characteristic of JFET is apart of parabola i.e., it is non linear . Therefore the value varies depending upon the location on the curve as set by gate-to-source voltage. It has a greater value near the top of the curve than that near the bottom.
LHLD Load HL Pair Direct Instruction This instruction is used to copy the content of memory location specified by opened in register L and copy the content of next m
Q. Write down Shockley's equation. What is its importance? I D = I DSS [1-(V GS /V P )]^2 Shockley's equation is used to plot transfer characteristics. The transfer charac
Pinch off Voltage: The current in N-JFET because of a small voltage V DS is described by: I DSS = (2a) W/L (qN d μ n V DS ) In which 2a = channel thickness
a. With neat circuit diagram and frequency response curve define the two stages RC coupled amplifier. What are its benefits and applications? b. Sketch ideal and the actual resp
Q. Determine the open-circuit output voltage v o of the system shown in Figure as a function of the input voltage v i .
Simulation of a pn Junction An n + p junction is fabricated on a p-type silicon substrate with N A = 8×10 15 cm -3 . The n+ region has a concentration of N D = 1.5×10 18
Q. Explain the classification of amplifiers on the biasing conditions? Based on the amount of transistor bias and amplitude of the input signal, amplifiers can be classified as
Simplified operation: Figure: Simple circuit to show the labels of a bipolar transistor. The essential value of a transistor comes from its capability to make use
Q. Why do we cascade amplifiers? Why is RC coupling the most widely used coupling between 2 stages of a cascading amplifier? The voltage or power gain or frequency response obt
A three-phase, 50-hp, 440-V, 60-Hz, four-pole, wound-rotor inductionmotor operates at a slip of 0.03 at full load,with its slip rings short-circuited. The motor is capable of devel
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