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Thermal noise
This is the most significant noise in an ampli?er. It is produced by random movements of electrons in the resistors. This is caused by the ?uctuations in the voltages and hence the current through the resistors. It is also known as Johnson noise.
a. Determine the ratio of cross section of a circular waveguide to that of a rectangular one, if each is to have similar cut off wavelength for its dominant mode. b. Compare wav
In a CDMA system, the signal is spread over a large bandwidth by multiplying the transmitted symbol by a sequence of short pulses, also called chips. The
The frequency of an oscillator may be measured by an oscilloscope with a callbrated time base(True/False)
Consider the network shown in Figure containing a voltage-controlled source producing the controlled current i c = gv, where g is a constant with units of conductance, and the con
Explain the Synchronous Machines? A synchronous machine, unlike an induction (or asynchronous) machine, only develops torque at a fixed, so called, synchronous speed - n s whi
Salient Features of NEP: Access to electricity: The policy not only envisages access to electricity for all but it also emphasizes in which all consumers, particularly t
A heater element is made of nichrome wire having resistivity equal to 100 × 10 -8 ohm-m. The diameter of the wire is 0.4mm. Calculate the length of the wire required to get a resi
explain the working of schottky ttl nand gate?
If a compressor in a system can change a message crest factor from 3.2 to 2, while maintaining its peak amplitude constant, find the decibels of improvement in signal-to-noise rati
Externally Initiated Signals Other than interrupt there are followings externally initiated signals available in 8085 microprocessor.
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