High linearity on-chip mixer for 46 LTE wireless communication
Sohiful Anuar, Zainol Murad, Dr.
Rizalafande, Che Ismail, Dr.
Mohd Nazrin, Md Isa, Dr.
Mukhzeer, Mohamad Shahimin, Dr.
Asral Bahari, Jambek, Dr.
Norhawati, Ahmad, Dr.
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The growth of 4G wireless communication system, a high performances, simple circuitry and low cost wireless transmitters are required. One of the main radio frequency (RF) circuits in the wireless communication transmitter is a mixer. The mixer linearity dominates the overall linearity in the transmitter design. This product is an up converted double balanced mixer at 5.2 GHz that offers high linearity, high bandwidth and low cost. In addition, high port-toport isolation greatly reducing the need for output filtering to meet LO suppression requirements. This product is implemented using CMOS technology which is cost effective and can easily integrate with digital CMOS ICs to form a wireless system on chip (SoC).