21 Terms
Home > Industry/Domain > Consumer electronics > Amplifier
Amplifier
Any electronic device designed to inrease the volume of sound.
Industry: Consumer electronics
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Amplifier
ohm's law
Consumer electronics; Amplifier
The fundamental relationship between voltage, current, and resistance.
impedance
Consumer electronics; Amplifier
Measured in ohms, impedance is the total opposition to the flow of alternating current in a circuit.
relay
Consumer electronics; Amplifier
An electromechanical switch, operated by passing current through a coil of wire wound around a steel core, which acts as an electromagnet, pulling the switch contact down to make or break a circuit.
transducer
Consumer electronics; Amplifier
A device that converts electrical energy into mechanical energy, such as a speaker.
point-to-point
Consumer electronics; Amplifier
A method of wiring an amplifier without using a PC board, where the components are mounted on terminal strips or tube sockets lugs, and the wiring is put in by hand to make the circuit connections. ...
positive feedback
Consumer electronics; Amplifier
feedback in which a portion of the signal from a later amplifier stage is fed back to an earlier stage (or to the same stage) in such a manner as to add to the input signal.
