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In this study, we developed a mixer module for precise spectrum analysis in the extremely high frequency band above 110 GHz. The mixer MMIC was designed and fabricated using InP HEMT as a single resistive mixer with an IF amplifier. An integrated IF amplifier boosts the conversion gain of the mixer, and it can also widen the bandwidth. After packaging, this mixer module achieved a conversion gain...
A broad band, single fundamental mixer is developed by using 75-nm InP HEMT technology for use in precise spectrum analysis at frequencies above 110 GHz. The mixer has a diplexer at the drain terminal separating LO/RF signals from an IF signal and functions in both resistive and drain-LO-injection modes. In the drain-LO-injection mode, a conversion loss of 3 dB is measured on-chip. The mixer exhibits...
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