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What do you understand by DRAM and its refreshing?
Dynamic RAM (DRAM) is fundamentally the same as SRAM, but this retains data for only 2 or 4 ms on an internal capacitor. But after 2 or 4 ms, the contents of the DRAM should be fully rewritten (refreshed) since the capacitors that is store logic 1 or logic 0, lose their charges. The whole content of the memory is refreshed with 256 reads in a 2-to-4 ms interval. Also refreshing occurs throughout a write, a read or a particular refresh cycle.
Q. What is Barkhausen criterion? Why is the value of Ab kept slightly greater than 1? The condition |Ab| = 1 is called the Barkhausen criterion. It implies that when |Ab| = 1,
TRANSISTOR CONFIGURATIONS: Transistor circuits may be categorized into three configurations based on which terminal is common to both of the input and output of circuit. Th
A bandpass filter design can be accomplished through the cascade connection shown in Figure, where the frequencies between the two cutoffs fall in the passband of both filters and
Q. Dynamic Response of Control Systems? The existence of transients (and associated oscillations) is a characteristic of systems that possess energy-storage elements and that a
what are the electrical characteristics of TRIAC?
explain about signal
Explain numeric processor 8087. Numeric processor 8087 is a coprocessor which has been intended to work under the control of the processor 8086 and offer it additional numeric
Q. Diagram, explain the construction of a single stage RC coupled amplifier? An RC Coupled amplifier consists of a transistor connected in the emitter configuration with neces
WHAT IS THE FUNCTION OF DELAY LINE IN CRO
Q. The response y(t) of a linear system to an excitation x(t) = e -2t u(t) is y(t) = (t + 2)e -t u(t). Find the transfer function.
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