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Q. Working of Field-effect transistors?
Field-effect transistors (FETs) may be classified as JFETs (junction field-effect transistors), depletion MOSFETs (metal-oxide-semiconductor field-effect transistors), and enhancement MOSFETs. Each of these classifications features a semiconductor channel of either n-type or p-type, whose conduction is controlled by a field effect. Consequently, all FETs behave in a similar fashion. The FET classification is illustrated in Figure along with the corresponding circuit symbols. FETs have the useful property that very little current flows through their input (gate) terminals.
When MT 2 is Negative and g is positive In this case gate current flows through junctions P 2 N 2 electrons are injected from N 2 layer to P 2 a result junct
Q. Give an account on the operation of the R-C coupled amplifie r. When a.c. signal is applied to the base of the first transistor, it appears in the amplified form across its c
Q. Explain about Differentiator? Shown in Figure is a differentiator which is obtained by replacing R1 in the inverting amplifier of Figure by a capacitor C. Assuming ideal op-
(a) contains a freewheeling diode Dm, commonly connected across an inductive load to provide a path for the current in the inductive load when the switch S is opened after time t (
Q. Show Maximum Power Transfer? In order to investigate the power transfer between a practical source and a load connected to it, let us consider Figure , in which a constant v
Describe the operation performed by the instruction OUT 47 h, AL. This transfers the content of AL to I/O port 47h. See that I/O port number shows as 0047h on the 16 bit addres
Explain the meaning of Synchronous Counters? In the synchronous counters the clock inputs of all the flip-flops are connected together and are triggered by the input pulses, the
study of transistor volt meter
Structure of Bipolar junction transistor: A BJT contains three differently doped semiconductor regions that are: emitter region, base region and collector region. These regio
Determine the Service and Backwash Rates The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rat
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