RESONANT CIRCUIT IN MOBILE PHONE - ABOUT RESONANT CIRCUIT

Resonant Circuit in Mobile Phone – About Resonant Circuit
Resonant Circuit in Mobile Phone is combination of capacitor and coil. Resonant Circuit passes specified resonant frequency. Here I Explain Definition and Theory of Series and Parallel Resonance.

Resonant Circuit in Mobile Phone

We have already learnt about SMD Resistors, SMD Capacitors and SMD coil.
In any circuit, a resistor influences flow of AC and DC supply whereas coils and capacitors are used to influence AC supply only. The circuits made by connecting capacitors and coils in series or parallel are called tuned circuit or resonant circuit.

Resonant or Tuned circuits are capable of specified frequencies from many frequencies.
Generally resonant circuits are combination of capacitor and coil. Resistance is used to control the value of signal. Every resonant circuit passes a specified value of frequency. This frequency is called resonant frequency of that type of circuit. In other words we can also say that the circuit is tuned to that frequency for which it is set and not for other frequencies.

Tuning of Resonance

Setting desired resonance frequency from various frequencies by changing the values of capacitor or coil of the tuned circuit is called tuning.

Series and Parallel Resonance

Series Resonance

Resonance resulting from a Circuit where the Electronic Components are connected with their inductance and capacitance in series, so that the impedance of the combination falls to a minimum at the resonant frequency.
Parallel Resonance
Resonance resulting from a Circuit where the Electronic Components are connected with their inductance and capacitance in parallel, so that the impedance of the combination rises to a maximum at the resonant frequency.

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