Design and Implementation of SiGe-BiCMOS Mixer for UWB Applications

This paper presents the design of an UWB SiGe BiCMOS mixer block for direct-conversion type transceiver architectures which optimized for WLAN applications at a frequency of 5 GHz using 0.35 μm SiGe BiCMOS technology. High gain, low noise figure (NF) and low power dissipation are the main considerations for optimizations. The simulations are performed using Cadence® SpectreRF environment. The simulation results show a gain of 11 dB, Noise Figure of 5 dB and 1-dB compression point of -14 dBm. The circuit consumes only 15 mW under 2.5 V supply voltage.