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Apple RFIC - PLL Design Engineer United States, California, Sunnyvale 26976126
18.11.2024
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Description
As an RFIC-PLL Designer, you will provide analog and digital PLL solutions for wireless SoC and drive them to mass production for Apple’s Wireless Connectivity products. Responsibilities include: - Lead design of radio transceiver chains including analog PLLs - VCOs, digital PLLs - DCOs, LOGen, and chain of blocks in RX and TX.- Drive radio KPI (power, area, performance) to meet product requirements. Work with multi-functional teams, including platform architecture, wireless design, RF HW, and SW, to define radio features enabling wireless innovation. - Work closely with RF Systems on block-level and high-level specifications of the PLL-LOGen, TX, and RX line-ups and the accurate distribution of spec margins in the chain.- Hands-on design contributions, from concept, architecture, and topology to transistor-level feasibility studies and KPI trade-off analysis to actual design, simulations, and extractions.- Responsible for the floorplan layout and verification of the design to ensure a successful tape-out and work through Co-Existence scenarios and design to meet the CoEx requirements.- Provide design versus silicon measurements correlation and compliance with volume production specifications.
Minimum Qualifications
- BS and 3 + years of relevant industry experience.
- Experience with RF/analog and mixed-signal design experience in groundbreaking RF CMOS design.
- Experienced in the design and development of fractional N Synthesizers, Digital PLLs, Analog PLLs, and LO-Gen for high-performance applications and also low power applications.
- Hands-on experience designing TDC, GRO, Digital Filters, Sigma Delta Modulators, Pre-scalers, MMD, DCOs, PFD-CP, and VCOs. Modeling, analysis, and design of SD noise cancellation and spur cancellation techniques.
- Skilled in using Cadence Virtuoso, Spectre RF, Matlab, and EM simulation tools (e.g., EMX, HFSS).
- Familiarity with mixed-signal verification methodologies (SystemVerilog, AMS, Nanotime).
Preferred Qualifications
- Direct experience in designing and bringing wireless transceivers into mass production in deep sub-micron RFCMOS technology.
- Extensive knowledge in fractional N synthesizer and LOGen silicon characterization and debugging.
- Deep understanding of analog, mixed-signal, and RF circuit design. This includes LNAs, PAs, mixers, baseband filters, VGAs, and calibration methods associated with high-performance wireless systems.
- Familiarity with various RF transceiver architectures and their trade-offs and system specifications, and ability to work with system architects to translate system requirements into circuit requirements at the IC level.
- MSEE and/or PhD with extensive experience.
Pay & Benefits
- At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $143,100 and $264,200, and your base pay will depend on your skills, qualifications, experience, and location.Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.
Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.
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