Title :
MMIC implementation of non-reciprocal couplers using pHEMT devices
Author :
Parkinson, G. ; Paul, D.K.
Author_Institution :
Dept. of Electr. Eng. & Electron., Univ. of Manchester Inst. of Sci. & Technol., UK
fDate :
6/24/2004 12:00:00 AM
Abstract :
The distributed amplifier topology has been adapted to form a non-reciprocal coupler which is small in size and broadband. The coupler has been implemented in MMIC form using pHEMT devices and a coupling factor of 5 dB is demonstrated over 2-20 GHz bandwidth.
Keywords :
HEMT integrated circuits; MMIC power amplifiers; directional couplers; distributed amplifiers; wideband amplifiers; 2 to 20 GHz; MMIC; bandwidth; broadband amplifier; distributed amplifier topology; nonreciprocal couplers; pHEMT devices;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040541
