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By Monty Barlow
“We have built a working radio transmitter with only digital parts, code-named Pizzicato. No analogue filters and mixers. No exotic Gallium Arsenide chips. Just good old regular digital logic. This is a big deal, and no one has done it before.
Despite the buzz around an increasingly digital world, so called ‘Software Defined Radios‘ today have one foot firmly in the analogue past. Mobile phones, Wi-Fi access points, police radios and Bluetooth headsets all use analogue circuitry to handle radio frequencies.
So what have we done differently? New mathematical tricks mean we can compute multi-Gigabit/second, digital waveforms in real time without a supercomputer. Software can shape and control this waveform, making almost any signal imaginable at any frequency.”
Read Full Article:
EMTRON DX-1SP General Description The NEW DX-1SP with 1200 Watts CW, 1500 Watts PEP of clean signal output is Emtron’s latest and smalles... Read more
The hard-working development team led by W1HKJ have announced the release of Flrig v1.3.27. Flrig is a transceiver control program designed to be used... Read more
The International Amateur Radio Union Region 1 Monitoring System (IARUMS) reports a “new kind” of over-the-horizon (OTH) radar on 20 meters. The intru... Read more
Es’hail-2 – Amateur Radio satellite – SpaceX Progress toward the launch of the Es’Hail-2 geostationary Amateur Radio satellite was reporte... Read more
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