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From a source with Pin = 2.4 mW, we want to get Pout = 60 mW at a distance l = 20 km from the source. α for the transmission line is given to be 2.3 dB/km. The available amplifiers have adjustable power gain, but are subject to two limitations: (i) the input signal power must be at least 1 µW to overcome internal noise, and (ii) the output signal power must not be greater than 1 W to avoid nonlinear distortion. Design an appropriate system.
Q. A dc shunt machine has an armature winding resistance of 0.12 and a shunt-?eld winding resistance of 50 . The machine may be run on 250-V mains as either a generator or a mot
trigger capabilities of logic analyser that differentiate it from other devices???
ELECTRO MAGNETISM: In this unit we learned about electromagnetism and the relationship that presents between and magnetic flux and electric current. The way in which electric
Q. Explain Current-to-Voltage Amplifier? The basic circuit is shown in Figure, which is similar to that of an inverting amplifier. The - input is connected directly to a curren
a) What is meant by Ripple Voltage? Measure the Ripple Voltage Amplitude, Frequency and DC Offset b) Describe how Ripple Voltage could be decreased.
Q. Three single-phase, 10-kVA, 2400/120-V, 60- Hz transformers are connected to form a three- phase, 4160/208-V transformer bank. Each of the single-phase transformers has an equiv
construction and its working
Perform a Hartree-Fock geometry optimization calculation of butadiene using a minimal basis set. Repeat with the 6-311G(d,p) basis set, using the optimized minimal basis set geomet
What are the important requirements of a good insulating material? Important requirements of good insulating materials:- The necessity of good insulating materials can be cl
Explain the signals HOLD, READY and SID HOLD indicates that a peripheral such as DMA controller is requesting the use of address bus, data bus and control bus. READY is used to
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