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An active frequency multiplier-by-nine MMIC with integrated buffer amplifier reaching 94 GHz from X-band is presented. The multiplier-by-nine generates an average output power of -7.7 dBm in the frequency range from 82 to 102 GHz. At 94 GHz the measured output power is -6.4 dBm with an input power of 10 dBm. The suppression of unwanted harmonics is better than 23 dBc. The comparison to the simulated...
In this letter, we present results of fully integrated 90-130 GHz receiver based on 100 nm mHEMT technology. The receiver contains a low noise amplifier (LNA), mixer and LO multiplier chain integrated into a single monolithic microwave integrated circuit (MMIC). The circuit is packaged into a waveguide block, characterized and compared to on-wafer measurements. Waveguide to microstrip transitions...
A novel balanced 210 GHz mixer MMIC with a measured IF bandwidth of more than 50 GHz and an RF bandwidth of more than 100 GHz has been successfully developed in a 50 nm mHEMT technology. The mixer achieves a measured conversion loss of 17 dB. The measured LO-to-RF isolation is better than 17 dB in the relevant frequency range. Two Lange couplers are used to balance the design. The IF signal is tapped...
The impact of frequency dispersive effects on typical figures of merit is investigated in a distributed MMIC realized in 0.15 /spl mu/m GaAs pHEMT technology. A novel compact dispersion model, allowing for accurate simulation of both static and dynamic multiple time constant IV characteristics, is employed. In a comparison of measurement and simulation, the model is both validated and used to quantify...
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