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A wideband variable gain driver amplifier with shunt resistive-feedback and cascade topology is proposed for software-defined radio (SDR) application. The proposed wideband driver amplifier is implemented in 90 nm CMOS technology. Measurement results show that the power gain is greater than 10 dB and output matching (S22) is better than -10 dB from 0.4 to 6 GHz. The tunable gain ranges from -3 to...
A wideband amplifier with low power consumption (50 mW) and small chip size (0.44 mm2) is demonstrated in a 0.13 μm CMOS technology. A power gain of 9.5 dB is measured with a 3 dB bandwidth covering from 0.1 GHz to 57 GHz as well as a gain-bandwidth-product (GBW) of 170 GHz. The proposed wideband amplifier has distinguished itself with the state-of-the-art performance of GBW/Pdiss (3.4 GHz/mW) and...
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