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In this paper, a 420GHz GaAs monolithic integrated sub-harmonic mixer based on planar Schottky diode is presented. We combine the diode 3D model, nonlinear model and passive circuit by field-circuit method, then optimize the circuit through harmonic balanced method, finally study the GaAs monolithic integrated 420GHz sub-harmonic mixer. Simulated results for the mixer achieved DSB conversion loss...
In this paper, a 340GHz GaAs monolithic integrated sub-harmonic mixer based on planar Schottky diode is presented. The mixer circuit is fabricated on a 12um GaAs substrate included planar Schottky diode in a balanced configuration, the passive RF/LO and IF matching networks, filtering circuits, as well as transitions from waveguide to suspended micro-strip. Simulated results for the 340 GHz mixer...
We report on the design, fabrication and testing of a 114GHz to 135GHz passive tripler. No mechanical tuners and the simple circuit topology make it easy and cheap to fabricate the tripler. The circuit design, simulation and optimization of the tripler are carried out by using HFSS and ADS. The tripler comprises waveguide housing, microstrip circuits and a pair of United Monolithic Semiconductors...
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