A Blocker-Tolerant Inductor-Less Wideband Receiver with Phase and Thermal Noise Cancellation

Hao Wu, Mohyee Mikhemar, David Murphy, Hooman Darabi, Mau-Chung Chang

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

A wideband receiver architecture with simultaneous phase and thermal noise cancellation greatly relaxes the traditional trade-offs between noise, out-of-band linearity, LO phase noise and power consumption. The architecture employs thermal noise cancelling and avoids voltage gain at blocker frequencies, and exploits the symmetry of phase noise to cancel the reciprocal mixing products in the presence of either single-tone or modulated blockers. The resulting design in 28 nm CMOS has 2 dB noise figure from 100 MHz to 2.8 GHz. Without using any inductors on-chip including the RF VCO, the receiver's NF is below 14 dB under either a 0 dB CW blocker or a -10 dBm WCDMA blocker.

Original languageEnglish
Article number7234951
Pages (from-to)2948-2964
Number of pages17
JournalIEEE Journal of Solid-State Circuits
Volume50
Issue number12
DOIs
StatePublished - 1 Dec 2015

Keywords

  • Blocker-tolerant
  • VCO figure-of-merit
  • current-mode
  • gain compression
  • injection locking
  • modulated blocker
  • multi-phase
  • phase noise cancellation
  • receiver
  • reciprocal mixing
  • ring oscillator
  • software-defined radio (SDR)
  • thermal noise cancellation
  • wideband

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