CTCSS Encoder 47 Kit
Details
Encode up to 47 CTCSS tones with sine wave output. The tone is selected by the combination of 5 jumpers in 6 positions.
It's powered by 7 to 16V DC and draws only a few mA.
There is an encode enable input that connects to the radio's PTT line (active low). The tone select inputs are constantly read so you could change tone with a switch. You can also tie the encode enable input to ground for continuous encode if you choose.
The CTCSS encoder kit gives a sign wave output as shown in this screen capture at 114.8Hz.
What's in the box?
A compact Gold Plated PCB, components and programmed PIC. The full tone set is in the datasheet.
 | Download CTCSS Encoder 47 Kit PDF (RadCom article UK tone set available) |
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