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A driver amplifier with a high image-rejection function was developed in 0.18-??m SiGe BiCMOS technology to create a 24-GHz band RF transmitter. The proposed configuration for the driver amplifier uses a notch feedback circuit and a common-emitter amplifier stage and is considered to have a high image-rejection ratio (IRR) and high power-handling capability in the quasi-millimeter-wave frequency region...
Design techniques for a low-power mixer operating in the quasi-millimeter-wave frequency region were developed. A pseudo-stacked configuration and a pre-biasing technique, to reduce supply voltage and dynamic current consumption, respectively, were introduced. Furthermore, a gain-boosting technique, which actively utilizes a parasitic resonant caused by a transformer and parasitic capacitor, improves...
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