RF front-end with on-chip VCO for PCS 1900 direct conversion receiver in 0.13-µm CMOS

FREE-DOWNLOAD P Sivonen, J Tervaluoto, N Mikkola… – Solid-State Circuits, …,
Abstract—In this paper, a 1.2-V RF front-end realized for the personal communications services
(PCS) direct conversion receiver is presented. The RF front-end comprises a low-noise amplifier
(LNA), quadrature mixers, and active RC low-pass filters with gain control. Quadrature