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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. An antenna has beam widths of 3° and 10° in orthogonal planes and has a radiation ef?ciency factor of 0.6. Find the maximum radiation inten- sity if 1 kW is applied to the anten
What are hard magnetic materials? Hard Magnetic materials- They have a slowly rising magnetization curve along with large hysteresis loop area and therefore large energy losses
Zero Flag - Registers If the result of any arithmetical or logical operation in the accumulator is zero i ,e all the bits of accumulator ( with some exceptions ) are
Q. Explain working of Shaded-pole motors? Shaded-pole motors: The least expensive of the fractional-horsepower motors, generally rated up to 1 / 20 hp, they have salient stator
A periodic voltage consists of sinusoidal pulses having an amplitude of 150 V (SEE DIAGRAM BELOW). Use Fourier Series Expansion to calculate: 1. the amplitude of the DC co
a. Describe what you understand by 'offset voltage' and 'offset current' of op-amp. Discuss with a neat circuit diagram the method used for minimizing offset voltage and offset cu
Working and block diagram
(a) The circuit of Figure 1 represents an amplifier-speaker connection. The filter is a low pass filter which is connected to the woofer. The filter is a -network. (i) Design a
Define the general purpose embedded system. a. General purpose microprocessor For illustration, Intel 80x86, Motorola 68HCxxx or Sparc b. Embedded general purpose process
a) Sketch the variation of electron concentration with temperature for i) an n-type semiconductor doped with 1021 donors m-3 ii) an intrinsic semiconductor. b) Expla
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