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RF Receivers
What is a radio frequency receiver?
The receiver employs electronic filters to distinguish the intended radio frequency signal from all other signals picked up by the antenna, an electronic amplifier to boost the signal's strength for additional processing, and then demodulation to extract the desired information. The receiver first utilizes electronic filters to isolate the intended radio frequency signal from all the other signals picked up by the antenna, then employs an electronic amplifier to boost the signal's strength for additional processing, and finally retrieves the desired information by demodulation.
Types of receivers
Radios are manufactured in a variety of styles and functions:
Console radio
An embedded radio with a speaker manufactured to stand on the floor.
Table radio
A speaker-equipped portable radio that may be placed on a fireplace mantel, table, or cupboard. The All American Five was a conventional table radio using vacuum tube technology, but solid-state radios have supplanted it.
Clock radio - a radio on a nightstand that has an alarm built in. Instead of sounding an alarm to wake the owner in the morning, the alarm clock may be programmed to turn on the radio.
Turner
A component of a home audio system that is a high-quality AM/FM radio receiver. Although it lacks speakers, it nevertheless produces audio that is fed into the system and played through the speakers there.
Portable radio - a portable, battery-operated radio that one could carry everywhere. In modern CD players and portable media players, radios are frequently combined with various audio sources.
Typical applications
All radio systems must have radio receivers as necessary parts. A large range of electronic systems in contemporary technology employs radio Receivers in addition to the broadcast receivers mentioned above. They may be a stand-alone piece of technology (like a radio) or a component integrated into another electronic gadget. Transceivers combine a transmitter and a receiver into a single device. A selection of the most typical varieties is shown below, arranged by function.
- Broadcast television reception
- Two-way voice communications
- One-way (simplex) voice communications
- Data communications
- Satellite communications
- Remote control
- Radiolocation
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Filters
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