for project work
Magnetic amplifiers and vacuum tubes don't need transistors to amplificate electricity current. You can get a transistor by two oppositely connected diodes.
A Wien-bridge oscillator generates a sinusoidal waveform using an op-amp and a feedback network with both resistors and capacitors, while a phase-shift oscillator uses an RC network to introduce phase shifts in the feedback path to generate oscillations. Wien-bridge oscillators are typically used for audio frequency applications, whereas phase-shift oscillators are commonly used for higher frequency applications.
The oscillator which is blocked by using transformer is called a blocking oscillator. Generally, the primary is given to the base and secondary is given to the collector of the transistor used in the oscillator circuit.
oscillator is an electronic device used to generate wave form by using the concept of feed back.
using voltage controlled oscillator
magneto striction oscillator is used to produce ultrasonic waves by using the the principle of inverse piezo electric effect
yes
The expectation value of an operator in the harmonic oscillator can be calculated by using the wave functions (eigenfunctions) of the harmonic oscillator and the corresponding eigenvalues (energies). The expectation value of an operator A is given by the integral of the product of the wave function and the operator applied to the wave function, squared, integrated over all space.
The maximum acceleration of a simple harmonic oscillator can be calculated using the formula a_max = ω^2 * A, where ω is the angular frequency and A is the amplitude of the oscillation.
To produce a pure sine wave using a Wien bridge oscillator, you need to configure the circuit with a combination of resistors and capacitors that form a feedback loop. The Wien bridge provides positive and negative feedback, allowing for oscillation when the gain is slightly above one, typically achieved with a variable resistor for automatic gain control. As the circuit stabilizes, it generates a smooth sine wave output at a specific frequency determined by the RC components. Fine-tuning the variable resistor allows for maintaining stable oscillations and ensuring the output remains a pure sine wave.
John Hobdell has written: 'P.S.K. regeneration using a subharmonic oscillator'
Factors affecting the frequency stability of an oscillator include temperature variations, voltage fluctuations, component aging, mechanical vibrations, and electromagnetic interference. These factors can cause deviations in the output frequency of the oscillator, impacting its stability over time. Using high-quality components, proper shielding, and temperature compensation techniques can help improve the frequency stability of an oscillator.