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This paper describes the planar schottky diode based subharmonic mixers currently being developed at the EHF Key Laboratory of Fundamental Science of Universtity of Electronic Science and Technology of China. Hybrid and integrated GaAs Schottky diode based 330GHz and 420GHz subharmonic mixers are designed, fabricated and measured. Test results show that the minimum conversion loss of 330GHz monolithic...
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 420GHz Sub-Harmonic Mixer based on planar schottky diode is presented. The mixer circuit was fabricated on the 50um thick quartz substrate with a pair of anti-parallel flip-chipped schottky diodes. The planar schottky diode is fabricated in China Electronics Technology Group Corporation-13(CETC-13). Simulated results for the 420 GHz mixer achieved DSB conversion loss of 6.2dB@404GHz...
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...
In this paper, a 325GHz Sub-Harmonic mixer with 70GHz bandwidth is presented. It will be used for a ultra wideband remote sensing system. The mixer circuit 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 325GHz mixer achieved DSB conversion...
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