All your tone control needs on a single PC board. Kit will simultaneously decode and/or encode any frequency from 400 to 5000 Hz, (add a small capacitor to go down as low as 10 Hz) Great for PL tones, remote controls, tone burst FSK, anywhere tones are involved. Frequency is easily set with the precision 20 turn trimpot, and the circuit uses a voltage regulator and Mylar cap for the ultimate in stability. Runs on 5 to 12 VDC , will drive up to100 mA load. Size : 1 1/4″ x 1//2″ x 1 1/2″. Ramsey Mini-Kits are handy, easy-to-build, easy-to-use functional kits that can be used alone or as building blocks in larger, more complex designs. Mini-kits have been used in projects as simple as blinking name badges or as complex as Radio Astronomy Telescopes. Consider these capable little kits the next time you build.

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