The Transistor is a device semiconductor provided with three terminals called base, issuer and collector. It is used to work in electronic circuits as rectifier, amplifier, switch... These symbols can be represented inside a circle.
The transducers, sensors and electrical and electronic detectors are elements that are activated by the energy delivered by a system and that in turn deliver another type of energy to another different system. The transformed energy may be physical, chemical or biological origin.
Power converters are electrical or electronic devices to transform the characteristics of the voltage and the input current at its output optimize it for specific uses. converters are AC / AC, DC / DC, AC / DC rectifiers and DC / AC inverters.
Electric motors are electromechanical devices whose function is to transform electrical energy into mechanical energy through electromagnetic interactions. There are other engines (generators) that produce electricity by exploiting the mechanical energy, such as alternators and dynamos.
The electric filters are devices that let the pass a frequency or band of frequencies while blocking others or vice versa, can modify both the amplitude and phase. The electronic filter can be analog or digital.
The electrical currents are movements of electric charges (electrons) through a medium. The electrical current can be driving or alternating or convention. His unit is the ampere and is measured by the ammeter.
The electrical attenuators are devices used to lower the level of a signal and thus adapt the system performance such as audio, radio frequency, power ...
They can be classified within the family of the resistors.