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A quantizer has 130 quantum levels that exactly span the extremes of a symmetrically ?uctuating message with step size δv = 0.04 V.
Determine the following:
(a) |f(t)|max.
(b) The largest crest factor the message can have if S0/Nq must be at least 5500.
What are the basic modes of operation of 8255? There are two basic modes of operation of 8255, viz. 1. I/O mode. 3. BSR mode. In I/O mode, the 8255 ports work as progr
Operation - unijunction transistor: Operation : Imagine that the emitter supply voltage is turned biased and a small emitter reverse current flows. Then the intrinsic stand
(a) Let a unit impulse of current i(t) = δ(t) be applied to a parallel combination of R = 3 and C = 1/2 F. Determine the voltage vC(t) across the capacitor. (b) Repeat (a) for
DC Motor Starting When voltage is applied to the armature of a dcmotorwith the rotor stationary, no emf is generated and the armature current is limited only by the internal ar
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Define Time-Shifting Precedes Time-Reversing and Vice Versa Signal x[n] is time-shifted by m samples (delay in time) giving x[n - m]. This signal is then reversed at n = 0 givi
Tri State Devices Tri State devices have three states logic 1 logic 0 and high impedance. A tri state device ( Buffer/ Inverter) has three lines output enable as shown
how to change galvanometer to ohmmeter
Armature Winding In this winding the working emf is induced by the working flux. The current which is dependent on the load called current. The windings that handle
What is the use of terminal count register? Each of the four DMA channels of 8257 has single terminal count register. This 16-bit register is used for ascertaining that the dat
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