PSK IMD-METER |
Automatically sets the sound card's audio level to provide the highest RF output with minimum distortion.
Schematic
Inside view
Box Shield
uC Firmware http://www.agurk.dk/bjarke/Projects/PSK-meter/PSKMeter.hex (dead link 16.09.2018)
More info: http://www.agurk.dk/bjarke/Projects/PSK-meter/PSKMeter.htm (download soft, manual, COM driver)