9A5N Solid State CW Paddle – new sense of CW keying

Photo by DM9EE 9A5N Solid state CW paddle is completely new product in the world of telegraphy keys. Innovative idea of detection finger pressing to paddle lever(s) eliminates moving parts typical for mechanical keys. Solid State CW Paddle advantages: – standstill lever(s) has no travel time and moving inertia – fingers movement is diminished –…

“Side Swiper Chrome” key

All I1QOD’s keys are strictly hand crafted using high quality materials. Technical data: Sideswiper Chrome key: Materials used: Brass for the body – Massive silver for the contacts – Highly polished inox steel for screws and registers Dimensions: weight 1,50 kgs about Other: Chrome for any further information: i1qod.alberto@alice.it

»Tone Tube« CW Code Practice Oscillator

Code Practice Oscillator »Tone Tube« (TT). Made in Germany. Palm Radio had several inquiries about a small tone generator in the past, so the »Tone Tube« has been developed recently to close a gap in the delivery program. The gray electronics module with the speaker is mounted into a black plastic housing (ABS, enhanced impact…

Building the “Toothpick” Audio CW Filter

“Toothpick” Audio CW Filter Kit Variable bandpass helps peak desired signal Audio amplifier will drive speaker to room filling volume In / out switch Use with phones or speaker Will work with other qrp rigs and older receivers Measured peak bandpass 700 to 1000 Hertz Introduction: The “toothpick” is a simple variable bandpass audio filter…