Agilent EEsof EDA - DesignSeminar: RFIC MOS Gilbert Cell Mixer Design

• Seminar Overview
• About the Author

• Basic Engineering Problem
• Design Specifications
• Ideal Double Balanced Mixer
• How Does It Convert Frequency?
• LO Switching Function T(t)
• IF Output Spectrum
• Intermodulation Distortion

• Design of MOS DB Mixer
• Active MOS DB Mixer
• Device Width and Bias Current
• MOSFET DC Characteristics (1 of 2)
• MOSFET DC Characteristics (2 of 2)
• Linearity of Signal Path (1 of 2)
• Linearity of Signal Path (2 of 2)
• Linearization Through L_S?
• Stability of Mixer Input Port
• Input Impedance of Mixer (1 of 2)
• Input Impedance of Mixer (2 of 2)
• Source Inductance Added
• Z_in with Added Source Inductance
• Add Input Matching Network
• Use Harmonic Balance Simulation
• LO Switch
• Gain Compression: P_{1 dB}
• Exercise: Gain Compression and LO Voltage

• Advanced Design System Simulations
  • IMD Simulation
  • IF Output Spectrum
  • Third-Order Intercept Definition
  • IP3 Dependence on LO Voltage
  • TOI Dependence on R_S
  • P_{1 dB} and TOI Dependence on R_D
  • Exercise: Simulating TOI and Gain Compression
  • Isolation Between Ports (1 of 2)
  • Isolation Between Ports (2 of 2)
  • Isolation with Imbalance
  • Noise Figure and SFDR
  • Determining Noise Figure
  • Final Mixer Specs

• Other Design Tasks
• Conclusion

• References

• Question-and-Answer Session

Abstract / Audio Overview   |   Author   |   Contents   |   Video Introduction

Complete Seminar   |   Slides / Text   |   ADS Design Files