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Amplifier
01
电子放大器
an electronic device that strengthens electrical signals or causes sounds to get louder
What is an "amplifier"?
An amplifier is an electronic device that increases the strength of an audio or electrical signal. It takes a weak input signal and boosts it to a higher level, which can then be sent to speakers, headphones, or other equipment. In audio systems, amplifiers enhance the sound signal to ensure it is loud enough and clear enough for listening. They come in various types, including those for home audio systems, musical instruments, and professional sound setups, each designed to meet specific needs and performance requirements.
例子
The sound engineer used a microphone and amplifier to amplify the singer's voice during the concert.
The marching band used amplifiers mounted on carts to amplify the brass section during the halftime show.
The electric guitar's pickups pick up the vibrations of the strings and send them to the amplifier.
Inductors are part of complex circuitry in various electronic devices, including amplifiers, oscillators, and radio frequency identification (RFID) systems.
In a vacuum tube, the cathode emits electrons when heated, enabling the device to function as an amplifier or oscillator.
