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Q. Working of Microprocessor Control?
The microprocessor, which has rapidly become a key component in digital control systems, and its associated circuits function as the digital processor. It is often used as a dedicated computer in which the chip itself is programmed to perform specific functions. Digital watches and auto fuel-injection systems are examples. With microprocessor control, not only the same hardware can be used to perform a variety of tasks by reprogramming, but also distributed computation (which results in less expensive and more reliable operation than centralized control) is possible with interconnection and intercommunication of several microprocessors.
Figure shows a block diagram of a microprocessor-controlled dc motor system, in which the controlled process consists of a dc motor, the load, and the power amplifier.
Q. Explain the theory of thermal runaway? The maximum average power Pdmax which a transistor can dissipate depends upon the transistor construction and may lie in the
mirror circuit
give the expression
Return Instructions These instruction are used to transfer the program sequence from subroutine to the calling program. Basically it restores the previous contents of th
Q. What is the function of CT and P.T and where they are used? Ans: The full form of CT is Current transformer and is used for calculating of current. The full form of PT is
the depletion layer in the pn junction is caused by
What are the signals involved in memory bank selection in 8086 microprocessor? The 8086 based system will have two sets of memory IC's. One set for even bank and another for od
I need a simple design of above mentioned , this oscillator will be used in a wireless power transmission
A 10 - hp, 250-V shunt motor has an armature circuit resistance of 0.5 and a ?eld resistance of 200 . At no load, rated voltage, and 1200 r/min, the armature current is 3 A. At
A closed magnetic circuit of cast steel having a 6cm long path of cross-sectional area 1cm 2 and a 2 cm path of cross-sectional area 0.5 cm 2 . A coil of 200 turns is wound around
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