Theoretical and experimental results of an integrated millimeter-wave frequency tripler

Renato Meola; Juergen Freyer

doi:10.1117/12.361063

9 September 1999 Theoretical and experimental results of an integrated millimeter-wave frequency tripler

Renato Meola, Juergen Freyer

Proceedings Volume 3828, Terahertz Spectroscopy and Applications II; (1999) https://doi.org/10.1117/12.361063
Event: Industrial Lasers and Inspection (EUROPTO Series), 1999, Munich, Germany

Abstract

A frequency tripler from 70 GHz to 210 GHz semi-insulating GaAs substrate is characterized. Single-barrier varactors with symmetrical capacitance-voltage characteristics are chosen as non-linear devices which simplifies the total tripler circuit, i.e. no idler and bias circuits are necessary. The varactors are monolithically integrated and connected by an air bridge. The matching network is realized by a microstrip network next to the varactor and fine tuning is obtained by backshorts in input and output waveguides. The whole circuit including the varactor is computed at the fundamental and harmonic frequency using a simulation program for the device and a finite element program for the circuit, respectively. The aim of this work is to optimize the matching network to achieve maximum tripler performance. Two different matching networks have been calculated indicating the influence on output power and efficiency. Experimental results are presented and compared to theory.

Citation Download Citation

Renato Meola and Juergen Freyer "Theoretical and experimental results of an integrated millimeter-wave frequency tripler", Proc. SPIE 3828, Terahertz Spectroscopy and Applications II, (9 September 1999); https://doi.org/10.1117/12.361063

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