This letter describes a practical 2-stage amplifier utilising active-medium-propagation (a.m.p.) devices. The unit is centred at 14.7 GHz with a 500 MHz bandwidth and 15 dB external gain. Comparable f.e.t. devices require ¿ 0.5 ¿m gate dimensions whereas the GaAs a.m.p. is fabricated with a 5.0 ¿m gap.
Published in:
Electronics Letters
(Volume:15
,
Issue:
13
)
Date of Publication: June 21 1979