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At high frequencies for rc oscillators stray capacitances comes into act so q value reduses where for lc circutes q value is high

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12y ago

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What the major components of a colpitts oscillator?

1.CE amplifier circuit 2.LC oscillator circuit


What is role of LC circuit in the hartley oscillator?

Self-tuning feedback


What are the Difference between RC oscillator And LC oscillator?

The difference between an RC and LC is that the frequency - determining device in the RC oscillator is not a tank circuit. LC can operate with A or C biasing, while RC can only operate with A.


State four types of LC oscillators?

Four types of LC oscillators include voltage controlled oscillators, drift control oscillators, crystal oscillators, and tuned circuit oscillators. A tuned circuit oscillator is the most common type of oscillator.


Classification of oscillators?

Phase-shift oscillator Armstrong oscillator Cross-coupled LC oscillator RC oscillator


What is a local oscillation?

A local oscillator is used in a superheterodyne radio circuit for example.The incoming radio frequency is mixed with an internal local oscillator circuit to generate a new intermediate frequency (IF) .The local oscillator usually runs at a frequency of 470kHz and is generated by an inductor and capacitor(LC oscillator)


What is local oscilator?

A local oscillator is used in a superheterodyne radio circuit for example.The incoming radio frequency is mixed with an internal local oscillator circuit to generate a new intermediate frequency (IF) .The local oscillator usually runs at a frequency of 470kHz and is generated by an inductor and capacitor(LC oscillator)


What is a frequency range of LC oscillator?

depends on the oscillator and its purpose


What is type of oscillations?

Phase-shift oscillator Armstrong oscillator Cross-coupled LC oscillator RC oscillator


What are the essential components of a feedback LC oscillator?

The essential components of a feedback LC oscillator include an inductor (L) and a capacitor (C) connected in a feedback loop, a gain element such as a transistor or amplifier to compensate for energy losses, and a feedback network to sustain oscillations by providing positive feedback. The LC tank circuit stores and exchanges energy between the inductor and capacitor to generate an oscillating signal at the resonant frequency of the tank circuit.


Why RC oscillators are not suitable for high frequency generation?

Because an RC oscillator is affected by stray capacitance in the active components in the circuit. HF oscillators use an LC tuned circuit to define the frequency.


How you can make a oscillator without using LC?

You can create an oscillator without using LC components by using an operational amplifier (op-amp) configured as an astable multivibrator. The op-amp can generate a square wave output using resistors and capacitors to create the necessary feedback loop for oscillation. This circuit can provide a stable frequency output without the need for inductors or capacitors.