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Analogue balanced parametric frequency divider-by-two using PHEMT nonlinear reactance

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3 Author(s)
Silva, C.S. ; Grupo de Guerra Eletron., IPqM - Inst. de Pesquisas da Marinha, Rio de Janeiro, Brazil ; Lima, R.A.A. ; Mosso, M.M.

An active balanced parametric frequency divider using one microstrip T-junction, two series microstrip transmission lines and two PHEMTs is presented. The configuration applies the principles of sub harmonic generation using the gate-source capacitance of a PHEMT as the nonlinear reactance element. A simple circuit design methodology is presented. Two prototypes are designed and fabricated, and their performance is evaluated. The first prototype achieved a maximum conversion gain of 13 dB at 2100 MHz for 0-dBm input power, and the second prototype showed a maximum absolute bandwidth of 820 MHz for 8-dBm input power.

Published in:

Microwave and Optoelectronics Conference (IMOC), 2009 SBMO/IEEE MTT-S International

Date of Conference:

3-6 Nov. 2009