EX :-A resistive load of (R =30 ) feeding from a half controlled full wave rectifier, calculate Vo(r.m.s ), lo (r.m.s), at a = 30 if Vin = 230 volt, Pin, %3D Po, P.F
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- A 50 ohms transmission line of length L=λ/2 in Figure Q.1 is to be used in RFtesting. Determine the input impedance and VSWR when the line is terminatedby: (i) an open-circuit termination. (ii) a short-circuit termination (iii) 50 ohms load termination.Illustrate the working of differential pressure transmitter with neat diagram.Q 5: Explain how phase diagram analysis is helpful in describing the nonlinear oscillatory motion?
- 24. Modifying the frequency of the carrier produces frequency modulation.Group of answer choices True False 25. FM produced by a phase modulator is called indirect FM.Group of answer choices True False 26. The modulating signal for stereophonic subcarrier shall be equal to the sum of the left and right signals.Group of answer choices True False 27. The amplitude of the modulating signal determines the frequency deviation in the carrier.Group of answer choices True FalseWhat is the unit of bandwidth of FM?What is the value of Vo?
- 21. FM can be produced using a phase modulator.Group of answer choices True False 22. In PM, frequency deviation is directly proportional to the amplitude of the modulating signal.Group of answer choices True False 23. The lowest frequency deviation in the carrier occurs during the zero-crossing points of the modulating signal.Group of answer choices True False 24. Modifying the frequency of the carrier produces frequency modulation.Group of answer choices True False 25. FM produced by a phase modulator is called indirect FM.Group of answer choices True False 26. The modulating signal for stereophonic subcarrier shall be equal to the sum of the left and right signals.Group of answer choices True False 27. The amplitude of the modulating signal determines the frequency deviation in the carrier.Group of answer choices True False 28. Phase shift is indirectly proportional to the amplitude of the modulating signal.Group of answer choices True False 29. Phase modulators produce a phase…A 110 Volts supply with a current of 200 mA is connected in an antenna input of a radio receiver. The bandwidth of the receiver is 30 Mhz and the resistor at temperature of 65 degrees Farenheit. Find the Noise Power and Noise Voltage applied to the receiver input.FROM THE SOLVE DIAGRAM FOR A COMBINATIONAL ELEMENT ACCORDING TO THE NOMENCLATURE FOR IT, WITH SAT DATA VCC= 18V, VBE= .47V, VBB = 9V, VCE= .92 V ICSATMAX= 290mA. β= 55 RE= 3.3 OHMS WHAT ARE THE CORRESPONDING STANDARD VALUES OF RC?
- Q3 / A test signal ( sine wave 20kHz , 3V ) is used to modulate a carrier sinusoidal signal ( 1MHz , 7V ) using an AM - DSB LC system . calculate : ( a ) the total output power that would be delivered to the 550 antenna , ( b ) the USB power , ( c )transmission efficiencyWhich are the idealized passive one-port elements of an electric circuit?A 50 ohms transmission line of length L=λ/2 in Figure Q.1 is to be used in RF testing. Determine the input impedance and VSWR when the line is terminated by: (i) an open-circuit termination (ii) a short-circuit termination (iii) 50 ohms load termination.