Transmitter

Transmitter

A Transmitter is an electronic device that, with the aid of an antenna, produces radio waves. The transmitter itself generates a radio frequency alternating current, which is applied to the antenna. When excited by this alternating current, the antenna radiates radio waves.

Function

Transmitters are used in many forms of communication and in various devices such as telephones, television broadcasts, and computer networks. They are also used in wireless communication devices like cell phones, GPS units, Bluetooth enabled devices, and satellite communication.

Types of Transmitters

There are several types of transmitters, including AM, FM, and TV transmitters. Each type has its own specific use and function.

AM Transmitter

AM transmitters are used in AM broadcasting, a type of long-range radio broadcasting using amplitude modulation.

FM Transmitter

FM transmitters are used in FM broadcasting, a method of radio broadcasting using frequency modulation.

Television Transmitter

TV transmitters are used for television broadcasting, which sends both audio and video signals to television receivers.

See Also

• Radio
• Broadcasting
• Wireless Communication

References

Transmitter Resources
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