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1. Frequency Modulation theory and its explanation
2. FM transmitter schematic, tests results and measurements
3. Amplifier and Oscillator circuit explanation and calculation
4. What is the range of the FM transmitter and how you will increase the range of the transmitter?
5. What would be the effect of antenna type and length on the quality and transmitter range?
6. What would be the effect of supply voltage, weather condition, elevation above the ground, line of sight?
7. Support your test with the pictures and measurements.
Q. A signal with bandwidth of 100 MHz is to be transmitted 40 km by LOS radio transmission. Taking B/fc = 1/30, and using a circular-aperture parabolic dish with 50-cm radius at ea
Note transducers convert a physical quantity from one form to another. The case below illustrates a typical moving coil meter that converts a current into a mechanical a
Q. What is the voltage gain? voltage gain is the ratio of output voltage to input voltage. It is represented as Av,vo-voltage output,Vi-voltage input,Ic-collector current,Ie
Q. An operational amplifier stage is typically represented by the circuit of Figure. For the values given, determine V out and the power supplied by the 2.5-V source.
Q. Calculate the diameter of an air-filled circular waveguide? Unlike transmission lines, which operate at any frequency up to a cutoff value, waveguides have both upper and lo
The one line diagram of a simple three-bus power system is shown in the figure below. Each generator is represented by an emf behind the transient reactance. All impedances are e
Q. A paraboloidal antenna has an aperture ef?ciency of 0.6 and a diameter D = 100λ at 6 GHz. Illumination by the feed is such that the beamwidths of the principal-plane secondary p
determine mimimum SOP for the following swiching funcion using K-map: F(x1,x2,x3,x4)=Summationof m(4,6,8,10,11,12,15)+DC(3,5,7,9)
Explain FET amplifiers? Just like the BJT amplifiers, FET amplifiers are constructed in common-source (CS, analogous to CE), common-drain (CD, analogous to CC), and common-gate
Q.‘Pentium processor has a superscalar architecture'. Describe the meaning of statement. Ans:Pentium microprocessor is organized with three execution units. One executes float
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