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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. Explain with the help of a block diagram the working of harmonic distortion analyzer. OR Write short note on Harmonic distortion analyzer. Sol. Several methods h
Hoe to start?
Q. Explain the conditions under which an RC circuit behaves as Integrator? Integrator is a circuit in which the output voltage is proportional to the integral of the input. Out
Q. Let the solenoid carry an alternating current of 10 A (rms) at 60 Hz instead of the direct current. Find an expression for the instantaneous force.
Explain LDA, STA and DAA instructions LDA copies the data byte into accumulator from the memory location particular by the 16-bit address. STA copies the data byte from the acc
a) State the principle of working of transformer. b) A 230/110 V, single-phase transformer takes an input of 350 volt-amperes at no load while working at rated voltage. The core
Dummy coils : These coils are used with wave winding and resorted to when the requirement of the winding are not met by the standard armature punching available in armature win
Define Combinations of logic gates? The Logic gates be able to combined to produce more complex functions. They can as well be combined to substitute one kind of gate for anoth
Can I find out the salution of electrods Transmission medium light sound uncoupling magnet for high dc cycle. I need to purches an electromagnet of this sort can you Please assis
Q. Important function of common control subsystem? If a call is destined to a number in an exchange other than present one processing the digits, initial translator generates t
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