The Italian “Elad” company produced new state of art QRP “FDM-S1″ SDR receiver. This will visible at the stand of WoodBoxRadio a new stand-alone transceiver, with fully SDR technology. It is an RF sampler, with a DDC on a FPGA, and a Cortex ARM DSP module for filtering and demodulation. Also possible to connected via an USB port to a PC. The TX used the DUC technology, the audio signal is sampled by an ADC converter, then up-sampled and passed to a digital I/Q modulator. Output power is about 5 Watts.
Will be in Friedrichshafen /Germany HAMFEST on 29-30 June 2013.
OHR 100A single band CW transceiver kit
The Oak Hills Research OHR 100A single band CW transceiver kit is offered in 80, 40, 30, 20, and 15 Meter versions. Each can be aligned to cover 70-80Khz in a fairly wide band, but here are the defaults...
AOR TRX-305A HF SDR Transceiver AOR announced new QRP 5 Watts TRX-305A HF SDR Transceiver KIT at the Tokyo Ham Radio Fair. This is Full digital RF signal processing kit.
Main KIT board
mcHF QRP Transceiver Project Photo by M0NKA
The original idea was born two years ago when I got really interested in the 70Mhz band and found out that I had to homebrew something as commercial gear at that time was not available....