A New Linearization Technique for CMOS RF Mixer Using Third-Order Transconductance Cancellation

  title={A New Linearization Technique for CMOS RF Mixer Using Third-Order Transconductance Cancellation},
  author={Kung-Hao Liang and Chi-Hsein Lin and Hong-Yeh Chang and Yi-Jen Chan},
  journal={IEEE Microwave and Wireless Components Letters},
A new third-order transconductance (gm3) cancellation technique is proposed and applied to a conventional radio frequency (RF) mixer for improving circuit linearity. The bulk-to- source voltage is applied to adjust the peak value position of gms. The cancellation of gm3 is utilized by a negative peak gm3 transistor combined in parallel with a positive peak gm3 transistor. For a single device, the measured adjacent channel power ratio (ACPR) and third-order intermodulation (IMD3) distortion are… CONTINUE READING
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