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What is meant by tuned circuit?
Tuned circuit, any electrically conducting pathway containing both inductive and capacitive elements. In a parallel-connected tuned circuit, the impedance is high at the resonant frequency, low at others.
What is the function of tuned circuit?
A tuned circuit is capable of amplifying a signal over a narrow band of frequencies that are centered at resonant frequency. When the reactance of the inductor balances the reactance of the capacitor, in the tuned circuit at some frequency, such a frequency can be called as resonant frequency. It is denoted by fr.
Where are tuned circuit used?
Tuned Circuit Properties Much smaller ones are used in receivers. A tuned circuit has a very high impedance at its resonant frequency (ideally = infinity). At other frequencies, its impedance is lower. Tuned circuits are used to select or tune in radio stations on a particular frequency and reject all the others.
What does tuning mean?
tuned; tuning. Definition of tune (Entry 2 of 2) transitive verb. 1 : to adjust in musical pitch or cause to be in tune tuned her guitar. 2a : to bring into harmony : attune.
What does it mean to have a tuned amplifier?
Tuning means selecting particular frequencies. The tuning circuit can be built with various components like inductor (L) and capacitor (C). The parallel combination of the inductor and capacitor is called a tuned circuit. Tuned circuit efficiency defines the performance of this amplifier.
Which is an example of a tuned circuit?
These amplifiers are one kind of amplifier that selects the particular range of frequencies and rejects the undesired frequencies by employing a tuned circuit at its load. The selective range of frequencies can be amplified by using these amplifiers. We can define the tuned circuit in different ways.
What is the resonant frequency of a tuned amplifier?
If the amplifier has only one tuned circuit then it is called a single tuned amplifier. This amplifier has only one tuned circuit at the collector terminal of the amplifier. The resonant frequency of this amplifier is Fr=1/2π, where L and C are the inductor and capacitors of the amplifier.
How is the action of a tuned circuit similar to a pendulum?
The energy oscillates back and forth between the capacitor and the inductor until (if not replenished from an external circuit) internal resistance makes the oscillations die out. The tuned circuit’s action, known mathematically as a harmonic oscillator, is similar to a pendulum swinging back and forth,…