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Q. Explain about Junction FET?
The JFET is a three-terminal, voltage-controlled current device, whereas the BJT is principally a three-terminal, current-controlled current device. The advantages associated with JFETs are much higher input resistance (on the order of 107 to 1010 ), lower noise, easier fabrication, and in some cases even the ability to handle higher currents and powers. The disadvantages, on the other hand, are slower speeds in switching circuits and smaller bandwidth for a given gain in an amplifier.
Figure shows the n-channel JFET and the p-channel JFET along with their circuit symbols. The JFET, which is a three-terminal device, consists of a single junction embedded in a semiconductor sample.When the base semiconductor forming the channel is of a n-type material, the device is known as an n-channel JFET; otherwise it is a p-channel JFET when the channel is
formed of a p-type semiconductor. The functions of source, drain, and gate are analogous to the emitter, collector, and base of the BJT. The gate provides the means to control the flow of charges between source and drain.
Q. Figure shows the mod-8 counter which counts from 010 to 710 before resetting. Explain the operation of the counter and sketch the timing diagram.
Q. What is the advantage of using JFET as an amplifier? As an amplifier of small time-varying signals, the JFET has a number of valuable assets. First of all it has a very high
Compact Disc - Read Only Memory. A CD-ROM is any compact disc which having computer data. These discs can store enormous amounts of data (up to 640 megabytes). If there is a large
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with a simple circuit,explain the construction of Direct Reading Probe of a cathode ray oscilloscope
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Q. What do you mean by Output Voltage Swing? Ideally this is equal to the difference between the two supply rail voltages, although in practice it is a few volts less.
What is the main difference between 16 bit and 32 bit versions of C/C++ while using in line assembler. The 32-bit applications are written by using Microsoft Visual C/C++ for t
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