Audio Hi-Fi This Bluetooth DAC and headphone amp with cool VU meter looks like super-luxe audio upgrade, but it's actually stunningly well-priced ...

My pick of the best guitar VST instruments will get great guitar tones for your productions, even if you’ve never played guitar before ...

A traveling wave tube amplifier operating above 300 GHz based on folded waveguide (FWG) slow-wave structure is presented in this paper. The design and test results of key components are presented, ...

We report on progress in developing a travelling wave tube amplifier with significant gain and power at 220 GHz. This paper provides an overview of the program, describing fabrication and test of slow ...