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Q. Discuss the essentials of an oscillator?
The essential components of an oscillator are
(i) Tank Circuit: It consists of inductance coil(L) connected in parallel with capacitor (C0. the frequency of oscillations in the circuit depends upon the values of inductance of the coil and capacitance of the capacitor.
(ii) Transistor Amplifier: The transistor amplifier receives d. c. power from the battery and changes it into a.c. power for supplying to the tank circuit. The oscillations occurring in the tank circuit are applied to the input of the transistor amplifier. Because of the amplifying properties of the transistor, we get increased output of these oscillations. This amplified output of oscillations is due to the d.c. power supplied by the battery. The output of the transistor can be supplied to the tank circuit to meet the losses.
(iii) Feedback circuit: The feedback circuit supplies a part of collector energy to the tank circuit in correct phase to aid the oscillations i.e. it provides positive feedback.
Output Characteristics The output or drain characteristic of N - Channel power MOSFET. When gate is made positive with respect to the source an N type channel is formed
Points of Verification of Connection i) Phase association ii) CT polarity iii) VT polarity iv) Phase angles v) Phase sequence vi) System conditions - unbalanc
Write an assembly language program to determine one's complement and two's complement of an 8-bit number. Ans One's complement of an 8-bit number LDA 2501H CMA STA
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
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describe torque angle in ships electrical propulsion system
Q. What is Segment displays? Seven-segment displays are the most commonly used numeric display devices, while 10- and 16-segment (starburst) display devices are also available.
OUT Output Instruction This instruction is used send data byte stored in the accumulator to the output port whose address specified in the instruction. The instruction
Using the LM741operational amplifier build a voltage amplifier with the voltage gain of |A V | = 500 v/v ± = 20%. Measure all necessary parameters of the amplifier (as per deliver
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