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.
|Electrical attenuator symbol||Electrical attenuator symbol|
|Unbalanced attenuator||Balanced attenuator|
|Variable Attenuator||Variable attenuator unbalanced|
|Variable attenuator balanced|