The core principles of mixers, including their role, common topologies, and the use of I/Q mixers in modern applications.
Mixers are a fundamental component of wireless communications, and their design constraints become increasingly stringent with the demands of next-generation systems such as 5G and 6G. To meet these requirements, RF designers must optimize networks to support ever-increasing data rates while addressing challenges such as signal losses at millimeter-wave frequencies and the noise susceptibility of high-order QAM schemes in OFDM systems.
This white paper is Part 1 of a two-part series on mixer design for advanced communications systems. It introduces the core principles of mixers, including their role, common topologies, and the use of I/Q mixers in modern applications.
Part 2 will expand on this foundation, covering practical design and simulation in Cadence Microwave Office software and demonstrating how the Visual System Simulator works with Microwave Office to perform system-level simulations for receivers and transmitters.
By first establishing this foundation, you can better understand the critical role mixers play in enabling reliable, highperformance communication systems. A clear grasp of their principles and topologies sets the stage for tackling the more advanced design and simulation techniques explored in the second part of this series.
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