Title :
MMIC resonant tunneling diode oscillators for THz applications
Author :
Wang, Jue ; Ofiare, Afesomeh ; Alharbi, Khalid ; Brown, Raphael ; Khalid, Ata ; Cumming, David ; Wasige, Edward
Author_Institution :
High Frequency Electronics Group, School of Engineering, University of Glasgow, Glasgow, United Kingdom
fDate :
June 29 2015-July 2 2015
Abstract :
This paper presents a monolithic microwave integrated circuit (MMIC) that combines two InGaAs/AlAs resonant tunneling diodes (RTDs) in parallel. By employing appropriate circuitry the oscillators generate an output power of about 1 mW (−0.1 dBm) at 39.6 GHz and (−0.2 dBm) at 75.2 GHz which are the highest power reported for RTD-based oscillators in the relative frequency range. This work demonstrates that circuit-based power combining technique can be used to solve the bottle-neck of RTD oscillators, i.e. low output power at millimeter-wave or even higher frequencies. The techniques show the potential to be implemented at terahertz (THz) frequencies.
Keywords :
Coplanar waveguides; Frequency measurement; Microwave circuits; Microwave oscillators; Power generation; THz sources; monolithic microwave integrated circuit (MMIC); oscillator; power combining; resonant tunneling diode (RTD);
Conference_Titel :
Ph.D. Research in Microelectronics and Electronics (PRIME), 2015 11th Conference on
Conference_Location :
Glasgow, United Kingdom
DOI :
10.1109/PRIME.2015.7251385
