But there’s an earlier amplifier technology that used a solid state circuit which is largely forgotten, and [AWA Communication Technologies Museum] has featured it in a new video. We’re ...

Kelly suspected that solid state science might provide a new kind of amplifier to replace the vacuum tube in AT&T's phone system. The tubes amplified voice signals as they traveled through the ...

Based in York, Pennsylvania, IDSI specializes in designing, developing, and manufacturing SWaP-C solid state, high-power RF amplifiers and amplifier-based subsystems. The division’s products ...