transmitteristä

A transmitter is an electronic device that produces radio waves and is used to transmit information from a radio receiver. The transmitter generates an electromagnetic wave, which is then modulated by the information to be sent. The modulated wave is amplified and sent to an antenna, which radiates the wave into space.

Transmitters are used in a wide variety of applications, including radio and television broadcasting, mobile communications, radar, and wireless networking. The fundamental components of a transmitter include an oscillator, a modulator, an amplifier, and an antenna. The oscillator generates the carrier wave, which is then modulated by the information signal. The modulated signal is amplified to increase its power, and the antenna radiates the signal into space.

The frequency of the radio waves generated by a transmitter is determined by the oscillator. The bandwidth of the transmitter is determined by the modulator and the amplifier. The power output of the transmitter is determined by the amplifier.

Transmitters are subject to regulations that limit the power and frequency of the radio waves they can emit. These regulations are in place to prevent interference with other radio communications.