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A 520–590 GHz Crossbar Balanced Fundamental Schottky Mixer

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5 Author(s)
Schlecht, E.T. ; Jet Propulsion Lab., California Inst. of Technol. Pasadena, Pasadena, CA, USA ; Gill, J.J. ; Lin, R.H. ; Dengler, R.J.
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We report on the design and performance of a crossbar broadband, biasable, balanced fundamental 520-590 GHz fix-tuned frequency mixer that utilizes planar Schottky diodes. The suspended stripline circuit is fabricated on a GaAs membrane mounted in a split waveguide block. The chip is supported by thick beam leads that are also used to provide precise RF grounding, RF coupling and DC/IF connections. At room temperature, the mixer has a measured DSB noise temperature of 2200 K at the low end of the band, and less than 4000 K across the design band.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:20 ,  Issue: 7 )