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A chopper-stabilized instrumentation amplifier (IA) with reconfigurable inverting and non-inverting modes is realized in CMOS 0.35um technology. A resistive feedback network is proposed to increase gain by lowering the resistance, which eliminates the conventional need for high resistance values. The voltage gain ranges from 19–35 dB and 25–41dB in inverting and non-inverting modes, respectively....
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...
On-chip transformers with high mutual coupling factors (~0.9) are designed and characterized. The transformers are integrated into a 5.0-GHz receiver front-end to provide single-to-differential conversion and voltage gain. The CMOS receiver frond-end exhibits a voltage gain of 25.0 dB and an IIP3 of -5.9 dBm at 5.0 GHz at a power consumption of 36 mW.
We demonstrate that miniature millimeter-wave (MMW) band-pass filter can be obtained by replacing the traditional eoplanar waveguide structures with the miniature lumped-spiral inductors and metal-insulator-metal (MIM) capacitors. To study the substrate effects on the performances of the spiral inductor and filter, CMOS-compatible backside inductively-coupled-plasma (ICP) deep trench technology was...
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