Title :
High-power 11 GHz amplifier using high-efficiency IMPATT diodes
Author :
Thorpe, W. ; Huish, P.
Author_Institution :
Post Office Research Centre, Ipswich, UK
Abstract :
The feasibility of using high-efficiency IMPATT diodes in the output stage of a high-power amplifier for 11 GHz digital radio relay systems has been proved with a circuit having a gain of 6dB and an output power of 8.4 W. The circuit used is a troughline version of the `Rucker¿ combining circuit and contains two diodes in specially designed packages. Error-rate measurements show that negligible degradation is introduced by the amplifier, which can now be seriously considered as a replacement for the travelling-wave tube amplifier.
Keywords :
IMPATT diodes; digital communication systems; microwave amplifiers; radio links; solid-state microwave circuits; 11 GHz digital radio relay systems; 8.4 W Impatt diode amplifier; Rucker combining circuit; troughline circuit;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19780341
