From: Jan Panteltje on
Abstract -- With the fMAX of current generation InP
transistors pushing above 1-THz and new transistor scaling in
progress, the operational frequency of solid-state amplifiers is
being pushed towards THz frequencies. In this paper we present
out latest work towards demonstrating THz frequency amplifiers,
including measured gain and noise performance of a 0.48 THz
low noise amplifier using scaled InP transistors. Initial
performance of next generation transistors is also presented,
along with infrastructure necessary to package and operate solid-
state amplifiers at THz frequencies.

http://www.as.northropgrumman.com/products/mps_mimic/assets/SState_Amp_Terahertz_Elec.pdf
From: Mike on
Jan Panteltje <pNaonStpealmtje(a)yahoo.com> wrote:
> http://www.as.northropgrumman.com/products/mps_mimic/assets/SState_Amp
> _Terahertz_Elec.pdf

Unbelievable!

Thanks,

Mike


From: a7yvm109gf5d1 on
On May 28, 1:42 pm, Mike <s...(a)me.not> wrote:
> Jan Panteltje <pNaonStpealm...(a)yahoo.com> wrote:
> >  http://www.as.northropgrumman.com/products/mps_mimic/assets/SState_Amp
> >  _Terahertz_Elec.pdf
>
> Unbelievable!
>
> Thanks,
>
> Mike

That it took this long for solid-state to catch up to tubes? Yeah.

http://en.wikipedia.org/wiki/Backward_wave_oscillator