Senior RF Engineer for Advanced Cellular Transceivers

6 days ago


Sunnyvale, California, United States Apple Full time

Job Overview

We are seeking a highly skilled Senior RF Engineer to join our team at Apple. As an integral member of our silicon design group, you will play a critical role in developing advanced cellular transceivers that transform the user experience.

About the Role

The ideal candidate will possess strong analytical abilities, a passion for innovation, and extensive experience in designing and implementing RF/mmW and/or analog/mixed-signal circuits. You will be responsible for providing RF solutions for cellular transceiver chips, collaborating with cross-functional teams to define system architecture and requirements, and driving transistor-level feasibility studies of RF/mixed-signal circuit blocks and architectures.

Key Responsibilities

  1. Work closely with platform architects, system, and digital design groups to define requirements for RF and baseband blocks based on system requirements.
  2. Collaborate with the technology team on process selection for the target device.
  3. Design various component blocks inside the RF transceiver, including LNA, upconverters/downconverters, baseband filters, VGAs, LO/PLL circuits, driver amplifiers/power amplifiers, linear RF switches, attenuators, low noise regulators, amplifiers, and biasing circuits.
  4. Work closely with the mask design team to implement layout views of designs.

Requirements and Qualifications

  • BS and 3+ years of relevant industry experience required.
  • Familiarity with various RF transceiver architectures and building blocks and their trade-offs.
  • Solid understanding of bandgaps, bias, opamps, LDOs, feedback, and compensation techniques.
  • Very good knowledge of one or more of the following tools: Cadence/Virtuoso, Spectre, AMS, GoldenGate, AFS, ADS, EMX, layout parasitic extraction tools, SimVision, RelExpert.

Preferred Qualifications

  • Direct experience designing and bringing into mass production highly integrated cellular RF transceivers in deep sub-micron RF CMOS technology.
  • Ability to innovate and implement novel solutions for sophisticated engineering problems.
  • Ability to collaborate with multi-functional teams to define system architecture and requirements.
  • Experience in collaboration with the digital design group for an optimum partition between the digital and analog domains.
  • Deep understanding of RF CMOS implementation fundamentals and basic building blocks, including LNAs, mixers, VCOs and DCOs, PLLs, LO, and PAs.
  • Design experience with digital TX or analog/digital/sampling PLL circuits is a bonus.
  • RF device modeling experience, including device noise parameters and inductor modeling. Insights into packaging effects, supply isolations, high-frequency ESD structures, and circuit layout for optimum RF performance.
  • Bring-up and debugging skills, and experience in working with production test engineers to build test plans and design for testability.
  • Ability to stay up-to-date with industry trends and new technologies to drive continuous improvement.

Compensation and Benefits

The estimated annual salary for this position is $180,000 - $220,000, depending on experience. Apple offers a comprehensive benefits package, including medical, dental, and vision insurance, 401(k) matching, paid time off, and opportunities for professional growth and development.



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