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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.
The far-field pattern of an antenna can be modeled as the two dimensional Fourier Transform of the aperture. 1. Determine the 2D Fourier Transform for the function
Measures for Improving Joints and Connection 1. Spacing of poles: The spacing between poles (for overhead lines) is also an important requirement. Long spans will result in
For the circuit in figure, find: a) Total resistance b) Total current c) Current flow through resistor 6Ω and 4Ω
Q. A 75-kVA, 230/115-V, 60-Hz transformer was tested with these results: • Open-circuit test: 115 V, 16.3 A, 750 W • Short-circuit test: 9.5 V, 326 A, 1200 W Determine:
Second Generation ( 1954- 1964) After the invention of semiconductor devices mainly transistors size of computer s was reduced a lot computing power increased reliability was
derivation of frequency of oscillators clapp and derive C effect?
Q. A silicon BJT has an emitter current of 5m Aat 300 K when the BEJ is forward-biased by vBE = 0.7 V. Find the reverse saturation current of the BEJ. Neglecting ICBO, calculate iC
A 100-kW, 250-V shunt generator has an armature-circuit resistance of 0.05 and a field- circuit resistance of 60 . With the generator operating at rated voltage, determine the i
advantages and disadvantages of direct and r c coupling
(a) Consider the following transmission line with the reactance X1 placed across the input. It is being driven with a frequency ω such that the length of the line is λ/4. What v
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