Examlex
There is much disagreement among scientists about whether or not the Earth is warming.
Cut-off Frequency
The frequency at which the magnitude of a signal is reduced by a specific ratio, marking the boundary between passband and stopband in a filter’s performance.
Variable Capacitors
Capacitors whose capacitance value can be adjusted or varied, often used in tuning circuits or as part of frequency modulating systems.
Variable Inductors
Inductors whose inductance can be adjusted or varied, often used in radio equipment for tuning and filtering applications.
Tuning
The process of adjusting the frequency of a receiver to match the frequency of the desired signal.
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