The use of text and command buffers permits the formation of essentially errorless Morse code transmissions, substantially enhances keyer operating and makes more efficient use of available memory.doi:US4333091 ATerry A. PerdueUS
Operates as aniambic type BMorse code keyer with a 3.5mm stereo jack to connect to a dual-paddle telegraph key Has a configurable side tone transmitted through an on-board piezo buzzer Has an open-drain output to a 2.5mm mono jack, which should be able to key most radios (probably not...
when the web page is loaded. However, if you try to print some of the drawings, like schematics, you might discover a problem with the text being offset. The offset causes some of the drawings to be unreadable. I have tried Chrome, Internet Explorer 11, ...
Amateur Radio and RF Circuitsbeacon keyer, smooth sidetone, antenna tuner, tube QRP Arduino ProjectsDigital Thermometer, Low Frequency Oscillators Music and Audio Circuitstube amps, tube effects, reverbs, panner Meter Circuitsvoltage, current and RF meters ...