Guitarists spend a lot of time thinking about electric guitars, thinking about amps, thinking about which overdrive pedal is going to be the one that unlocks everything for them, revealing the tone ...

It is hard to look at our pedalboards today and think anything other than we are living through a golden age for guitar effects pedals. The past decade has been a boom time for stompbox design; from a ...

Abstract: D-band high speed communication applications require an amplifier with broad bandwidth and high power. The vacuum high-power amplifiers, however, exhibit a limitation in bandwidth, while ...

Abstract: A 71-76GHz traveling wave tube amplifier is successfully developed to meet the demand of future high-data-rate wireless communication, breaking through a series of key core technologies ...

First a boatanchor, now a fossil, the Heathkit AA-100 tube power amplifier shone when it came out in 1960: 25 watts stereo, cheap, ‘sweet’ output tubes, and a ton of inputs. Plus, the fun of building ...