Amplifier
part · 1906 · Electric age
Increases the power of a signal.
What it is made of
- Triode — has part. Tube amplifiers.
- Transistor — has part. Transistor amplifiers.
Principles and materials it uses
- Copper — is made of. The conductors are copper.
Where it is used
- Radio — is part of. Amplifying a weak signal.
- Electric guitar — is part of. An amplifier.
- Electrocardiograph — is part of. Biosignal amplifiers.
- Hearing aid — is part of. An amplifier.
- Karaoke — is part of. An amplifier.
- Electroencephalograph — is part of. Amplifiers.
- Electromyography — is part of. An amplifier.
- Public address system — is part of. Amplifiers.
- pH meter — is part of. It amplifies the weak signal of the electrode.
- Subwoofer — is part of. A built-in amplifier.
- Brain–computer interface — is part of. A bioamplifier.
What it is a kind of
- Operational amplifier — includes. A kind of amplifier.
- Hi-fi amplifier — includes. An amplifier.