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Q. (a) An ampli?er with F0 = 3 or 4.77 dB, f0 = 4 GHz, and BN = 14 MHz is used with an antenna forwhich Ta =200K. The connecting path loss is 1.45, or 1.61 dB at a physical temperature of 250 K. Find the available system noise power. compute the signal-to-noise ratio.
A 6-pole armature has 1000 conductors and a flux per pole of 40mWb. Determine the e.m.f. generated when running at 600 rev/min when (a) lap wound (b) wave wound.
Speed Control Using Phase Controlled Converters Phase controlled converters converts a constant ac voltage into variable controlled dc voltage. This variable dc voltage
Q. Effect of feedback on dynamic response and bandwidth? Let us consider the block-diagram representation of the open-loop system shown in Figure 16.2.5(a), whose direct transf
Consider the circuit of Figure (a) and obtain the complete solution for the voltage v C (t) across the 5-F capacitor and the voltage v x (t) across the 5- resistor.
Explain CWD instructions in 8086 family with example and their effect on flag. Convert signed word to signed double word: CWD instruction enlarges the sign bit of a word int
Frequency variation in simple transmitters can be reduced by adding a _______ stage.
A multimode step index fibre along with a core diameter of 80µm and a associative refractive index difference of 1.5% is operating at a wavelength of 0.85µm. If the core refractive
a. Describe the meaning of standing wave ratio. What is the formula for it, if the load is purely resistive? Why is a high value of SWR often undesirable? b. Determine how the c
I need to know about the zener diode
The per-phase synchronous reactance of a three-phase, wye-connected, 2.5-MVA, 6.6-kV, 60-Hz turboalternator is 10 . Neglect the armature resistance and saturation. Calculate the v
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