Viewing profile — madengr

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Nice report. I wish beamformer ICs were made for lower frequencies, but everything is targeting X-band and higher.

I’m using 4x A6000 Ada cards for EM simulation. They have 48 GB ECC and 2-slot width so can be accommodated in a server case, versus 24 GB non ECC and 3-slot width for the 4090. Th…

Watch there now be a cassette renaissance like there was a record renaissance, despite the cassette having horrible audio quality compared to a CD.

Most antennas actually have a large radar cross section (RCS), with simple dipoles being some of the worst. An infinitely thin dipole (a current filament) has a non zero RCS even t…

Don’t buy the damned things. I just bought a 1989 Toyota pickup. Manual transmission, locks, windows, etc. Super reliable and easy to work on. It’s got a standard double-DIN stereo…

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Expanded polystyrene has an extremely low loss tangent and dielectric constant, so I fail to see how microwave heating causes more chemical leaching than hot water.

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The 1973 movie Genesis II also had travel tubes on a post-apocalyptic earth. For my 5th Xmas I still remember getting a giant Eagle ship. The cockpit was removable from the center …