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A transformed radial stub low-pass filter using defected ground structure for stopband extension
The paper presents a low-pass filter using defected ground structure for stopband enhancement. The face-to-face E shape defected ground structure is investigated using EM simulation, which are co-designed with transformed ...
A 4 GHz 60 dB variable gain amplifier with tunable DC offset cancellation in 65 nm CMOS
This letter presents a compact CMOS based variable gain amplifier with 60 dB gain control range and a feedback reconfigurable dc offset cancellation. The design is a four-stage fully differential cascaded amplifier implemented ...