The CW-ADD is an extremely versatile circuit. It is composed of three different parts (Audio Filter, CW Adapter and Audio Amp.) that can be used independently or combined to have everything necessary to generate CW in a transceiver that only has SSB (phone).
In case you do not require the audio filter for reception of CW or the amplifier of side tone, the board has printed lines where one of the parts can be cut.
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The CW-ADD kit is discontinued.
However, you can freely build it yourself
I share the file to make the PCB (Sprint Layout 6.0). Download.
You will need to have the Sprint Layout viewer. Download.
CW-ADD kit assembly manual (schematics, parts list etc). Download.
Owner: Javier Solans Badia VAT ES40882092Y
phone : +346 937 78 116 (only previously arranged calls by email)
Address: Bon Paper, att. Javier Solans, Avenida de Blondel, 31
25002 LLEIDA -SPAIN-