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Define johnson counter to Convert Serial Data to Parallel Data? A microprocessor-based or computer system commonly requires incoming data to be in parallel format. But often t
Explain the Asynchronous Up-Down Counters? In some applications a counter must be able to count both down and up and the circuit below is a 3-bit up-down counter. It counts do
Q. Why positive feedback is used in oscillator? The main application of positive feedback is in oscillators. An oscillator generates AC output signal without any input AC signa
Q. Two 1150:115-V transformers are to be inter connected for (a) 2300:230-V operation, and (b) 1150:230-V operation. Show the interconnections and appropriate polarity markings.
What is meant by Wait State? This state is used by slow peripheral devices. The peripheral devices can transmitted the data to or from the microprocessor by using READY input l
What are the causes of sparking in the commutator? Explain the methods to reduce the sparking in the commutator?
Turn off Time This is also known as gate controlled turn on time. The time interval between a specified point at the beginning of the gate pulse and the instant wh
(a) Show Diode as a half wave rectifier. Determine efficiency and Ripple factor of the half wave rectifier. (b) Write short note on LED. Briefly explain : (i) Positive cli
3-phase Bridge Inverter In 3-phase bridge inverter six thyristors an six diodes are used as shown in figure a capacitor at input terminal is connected so that the input volta
explain the working of miller sweep circuit using op amp ic
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