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Buffer
A buffer is a logic circuit that amplifies the current or power. Basically it is used change the driving capability of a logical circuit. Therefore it is sometimes referred as drive. A simple buffer and tri state buffers (active high and active and low ) are shown in figure.
A tri state buffer if enabled provided the same logic level of the output as that of input i ,e if input is at logic 1 then it provides logic 1 output.
What is Commutator? Explain in brief about the Commutator action in dc generator.
Loudspeakers using single driver are unable to cover the entire frequency band from low frequency to high frequency. Sometimes multiband frequency is required for the bass enhancem
For Sign Flag JP ( jump on plus ) Jump on minus ) Instructions JP transfer the execution of the program to the specified memory address if sign flag is set (S=
Q. A silicon npn BJT is biased by the method shown in Figure, with R E = 240 , R 2 = 3000 , and V CC = 24 V. The operating point corresponds to V BEQ = 0.8V, I BQ = 110 µA,
Q. Describe the following phasor equations represented in the time domain: (a) ¯ E = K1e-¯ γz (b) ¯ E = K2e ¯ γz where z is the space coordinate, K1 and K2 are constants,
Define Smoothing the Output? The output of a DAC is stepped, such as the analog waveforms which were sampled and held. This stepped, or staircase effect is a distortion, and it
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
what is finger voltage?
Explain with proper diagram all the six modes of operation of programmable interval timer 8254. Mode 0: The output in mode 0 is initially low, and will stay low for the perio
Three byte instruction The instruction which have 16 bit data address as its operand are three byte instruction. They need three memory locations to store them in m
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