Title :
A balanced resistive 210 GHz mixer with 50 GHz IF bandwidth
Author :
Lopez-Diaz, D. ; Kallfass, I. ; Tessmann, A. ; Massler, H. ; Leuther, A. ; Schlechtweg, M. ; Ambacher, O.
Author_Institution :
Fraunhofer Inst. for Appl. Solid State Phys. IAF, Freiburg, Germany
Abstract :
A novel balanced 210 GHz mixer MMIC with a measured IF bandwidth of more than 50 GHz and an RF bandwidth of more than 100 GHz has been successfully developed in a 50 nm mHEMT technology. The mixer achieves a measured conversion loss of 17 dB. The measured LO-to-RF isolation is better than 17 dB in the relevant frequency range. Two Lange couplers are used to balance the design. The IF signal is tapped at the isolated RF coupler port to increase the IF bandwidth.
Keywords :
HEMT integrated circuits; MMIC mixers; field effect MMIC; waveguide couplers; IF bandwidth; IF signal; LO-to-RF isolation; Lange couplers; MMIC; RF bandwidth; balanced resistive mixer; frequency 210 GHz; isolated RF coupler port; loss 17 dB; mHEMT technology; size 50 nm; Bandwidth; Couplers; Frequency measurement; Gain; Mixers; Radio frequency;
Conference_Titel :
Microwave Integrated Circuits Conference (EuMIC), 2010 European
Conference_Location :
Paris
Print_ISBN :
978-1-4244-7231-4
