Technical
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150Watt FM power amplifier board Test
150Watt FM power amplifier board Test ...
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Frequency Modulation (FM)
Frequency Modulation (FM) FM is a form of analog angle modulation in which the baseband information carrying signal varies the frequency of a carrier wave. Audio signals transmitted by FM radio are t...
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What are Digital Audio Cables?
If you love audio, one of the major components to making your audio sound great are the audio video cables and connectors. While there are many types of audio cables available, here is a summary of th...
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What is SPDIF? (SPDIF FAQ)
SPDIF (Sony/Philips Digital Interconnect Format) is a digital audio format, and is also referred to as S/PDIF, S/P-DIF, and IEC 958 type II. SPDIF is used for transporting stereo digital audio signals...
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What is RDS ?
A Brief Introduction to RDS (Radio Data System for VHF/FM broadcasting) The use of more and more frequencies for radio programmes in the VHF/FM range make it inceasingly difficult to tune a convention...
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FM Modulator
This allows you to play the music from your CD changer through your FM radio. ...
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BH1414K Wireless (FM transmitter) Audio Link IC
The BH1414K is a FM stereo transmitter IC that uses a simple configuration. This IC consists of a stereo modulator for generating stereo composite signals and a FM transmitter for broadcasting a FM si...
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What’s the FM & AM
FM radio works the same way that AM radio works. The difference is in how the carrier wave is modulated, or altered. With AM radio, the amplitude, or overall strength, of the signal is varied to incor...
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The Early Years of Radio
To the shipboard radio operators, it was a miracle — a Christmas miracle. Instead of hearing the usual dots and dashes of Morse Code, these listeners heard an eerie Silent Night, played by a vio...
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what is PLL?
Short for phase-locked loop, an electronic circuit that controls an oscillator so that it maintains a constant phase angle (i.e., lock) on the frequency of an input, or reference, signal. A PLL ensure...