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Find the minimum rate of sampling that must be used to convert the message into digital form:
(a) If an audio message has a spectral extent of 3 kHz.
(b) If a television signal has a spectral extent of 4.5 MHz.
List the operation modes of 8255 a) I.O Mode i. Mode 0-Simple Input/Output. ii. Mode 1-Strobed Input/Output (Handshake mode) iii. Mode 2-Strobed bidirectional mode
Q. Explain about Subscriber loops signalling? In a telephone network, subscriber loop signal linger lies upon the kind of a telephone instrument used. The intra exchange signal
A balanced three phase, four wire, WYE connect load consisting of per phase resistenance of A ohms and inductive reactance of D ohms/phase is connected to a B000 V three phase sour
define source bias
Note transducers convert a physical quantity from one form to another. The case below illustrates a typical moving coil meter that converts a current into a mechanical a
Q A high-pass filter circuit is shown in Figure. Using a PSpice program and PROBE, obtain the Bode magnitude plot for the transfer function ¯H(f) = ¯V out / ¯V in for frequency ra
Q. What do you mean by communication channel? The communication channel (transmissionmedium) is the physicalmediumthat is utilized to send the signal from the transmitter to th
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
Explain the Voltage Regulation? The percent of voltage regulation of a generator is defined as the ratio of the change in voltage from no-load to full-load to the full-load vol
Q. Explain the working principle of a d.c. generator. Explain clearly the function of commutator in d.c. machines. Sol. Working principle of a D.C. generator: For the 2- po
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