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In this paper, a direct IQ modulator MMIC for high speed E-band wireless communication is presented. The IQ modulator consists of two balanced resistive mixer cells, on-chip marchand balun and two Lange couplers for quadrature LO signal generation. When operating as a single side band mixer, it shows conversion loss of 11 dB and side-band suppression higher than 20 dB. LO to RF isolation has been...
In this paper, a resistive single side-band (SSB) up-converter implemented for high speed E-band wireless communication is presented. The SSB up-converter consists of two resistive IQ mixer cells, on-chip Marchand balun and two Lange couplers for quadrature LO signal generation. The Marchand balun is designed with common-mode rejection to achieve better in-band amplitude and phase balanced behavior...
A low-loss, low power consumption monolithic high-temperature superconducting (HTS) Josephson junction mixer at 7–8.5 GHz is presented. The mixer consists of a HTS (YBCO) bandpass filter for RF input, a lowpass filter for IF output and a LO resonator integrated with a single Josephson junction. All the passive and active devices are fabricated on a ...
A potential large scale QFN package solution-plastic air-cavity QFN package, compatible with SMD assembly lines, for future low cost, miniature size and attractive performance microwave package application is proposed in this paper. A 6 GHz~18 GHz LNA MMIC (2 ?? 1mm2) is developed using a commercial GaAs pHEMT process and integrated into this novel and cost effective package solution. The measured...
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