FM carrier current remote speaker system

Posted on Feb 7, 2013

High quality, noise free, wireless FM transmitter/receiver operates over standard power lines. Complete system is suitable for high-quality transmission of speech or music, and will operate from any ac outlet anywhere on a one-acre home site. Frequency response is 20-20, 000 Hz and THD is under Transmission distance along a power line is at least adequate to include all outlets in and around a suburban home and yard

FM carrier current remote speaker system
Click here to download the full size of the above Circuit.

Two input terminals are provided so that both left and right signals of a stereo set may be combined for mono transmission to a single remote speaker if desired. The receiver amplifies, limits, and demodulates the received FM signal. It provides audio mute in the absence of carrier and 2 W output to a speaker.

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