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A RF mixer with low-voltage high performance for 2.4 GHz ISM band applications is presented. The novel topology mixer leads to better performance in terms of linearity, noise and power consumption for low supply voltage. Designed in TSMC 0.18mum CMOS technology, the mixer achieves: 9.3dB power conversion gain; 7.4dB noise figure; 8dBm input third-order intercept point (IIP3); and only 3.4mW of power...
A fourth-order low-pass continuous-time filter for a UMTS/WLAN receiver of a reconfigurable terminal is presented. The filter uses the cascade of two Active-Gm-RC biquad cells. A single opamp is used for each biquad and its unity-gain-bandwidth is comparable to the filter cut-off frequency. Thus, the opamp power consumption is strongly reduced w.r.t. other closed-loop filter configurations. The cut-off...
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