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 conventional radio to a desired programme. This kind of...
This allows you to play the music from your CD changer through your FM radio.
...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 signal on the air. A high S/N ratio and good timbre t...
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 incorporate the sound information. With FM, the frequenc...
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 violin. It was Christmas Eve, 1906, and this broadcast...
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 ensures that a communication signal is locked on a specif...
USB TO SPDIF [USB-coaxial digital output] - converters. By BB PCM2902 chips, Use74HC04 high speed face lifting, ST-DV709 digital audio output for coupling coaxial SPDIF signals, the digital waveform very good! ! Suitable for connecting external sound ...
Also see modulation and frequency-shift keying (FSK).
Frequency modulation (FM) is a method of impressing data onto an alternating-current (AC) wave by varying the instantaneous frequency of the wave. This scheme can be used with analog or digit...
PFC (power factor correction; also known as power factor controller) is a feature included in some computer and other power supply boxes that reduces the amount of reactive power generated by a computer. Reactive power operates at right angles to true...
DIY your CD / DVD ROM into a CD player, this is very interesting, very easy to control your CDROM play CD music.
Features:
1. Player
2. Suspension
3. Previous
4. Next
5. Four kind of speed fast forward
6. Four...