Senior RFIC-PLL Designer

3 weeks ago


San Diego, California, United States Apple Full time

Wireless RFIC Team Architect

As a Senior RFIC-PLL Designer at Apple, you will be responsible for providing analog and digital PLL solutions for wireless SoC and driving them to mass production for Apple's Wireless Connectivity products.

Key Responsibilities:

  • Lead design of radio transceiver chains including analog PLLs - VCOs, digital PLLs - DCOs, LOGen, and chain of blocks in RX and TX for wireless connectivity products.
  • Drive radio KPI (power, area, performance) to meet product requirements.
  • Work with cross-functional teams including platform architecture, wireless design, RF HW and SW to define radio features enabling wireless innovation.
  • Hands-on design contributions starting from concept, architecture and topology to transistor-level feasibility studies and KPI trade-off analysis to actual design, simulations and extractions.
  • Design of RF and Analog loopbacks for calibration and compensation.
  • Work through Co-Existence scenarios and design to meet the CoEx requirements.
  • Oversee the floorplan layout and verification of the design to ensure a successful tape-out.
  • Provide design versus silicon measurements correlation, and compliance with specification for a volume production.

Requirements:

  • Typically requires 10+ years of RF/analog and mixed-signal design experience in cutting-edge RF CMOS design.
  • Experienced in design and development of fractional N Synthesizers, Digital PLLs, Analog PLLs, LO-Gen for high performance application and also low power application.
  • Hands on experience in designing TDC, GRO, Digital Filters, Sigma Delta Modulators, Pre-scalers and MMD, DCOs, PFD-CP, and VCOs.
  • Modeling, analysis and design of SD noise cancellation and spur cancellation techniques.
  • Deep understanding of analog, mixed-signal and RF circuit design.
  • Experienced in Cadence Virtuoso, Spectre RF, Matlab, EM simulation (EMX, HFSS) and similar tools.
  • Demonstrated capability to work with digital design group for an optimum partition between digital and analog domain, timing requirements.
  • MSEE and PhD is preferred.

What We Offer:

  • Comprehensive medical and dental coverage.
  • Retirement benefits.
  • A range of discounted products and free services.
  • For formal education related to advancing your career at Apple, reimbursement for certain educational expenses - including tuition.
  • Discretionary bonuses or commission payments.
  • Relocation assistance.


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