PLL/Clocking Design Engineer Cupertino,California,United States Hardware At Apple, our products are revolutionizing the way people live across the globe. Within our Analog-Mixed/Signal group, your role will be crucial in pushing the boundaries of what our technology can achieve. We are dedicated to crafting high-quality, innovative hard IPs that surpass the ordinary, adjusting to the escalating complexity of SOC/PHY designs and multiplying projects within tight production schedules. Our environment thrives on these challenges, fueled by a team of exceptional individuals passionate about continual learning and making a substantial impact. If you excel in dynamic settings, relish collaborative problem-solving, and seek to make a societal impact through your work, you might be the ideal candidate for our team. At Apple, you'll join a culture that encourages you to take ownership of your career, supported by colleagues committed to making a difference. **Description** In this role, you will leverage your expertise to develop cutting-edge frequency synthesizers for a variety of applications, including Compute, SoC, SerDes, and Cellular technologies. Your work will directly contribute to maintaining Apple’s leadership in innovation and market presence, setting new standards in the tech industry. **Minimum Qualifications** + BSEE required or years of relevant experience. MSEE preferred **Key Qualifications** **Preferred Qualifications** + Technical Expertise: Demonstrated proficiency in PLL/FLL and frequency synthesis architecture and circuit design. This includes digital and analog approaches, DCO/VCO design both RO and LC, Fractional-N, SSC, Spur and Jitter cancellation techniques ..etc + Good knowledge of band gaps, bias circuits, op-amps, LDOs, feedback and compensation techniques. + Clocking Mastery: Deep understanding of clocking fundamentals, with a solid grasp of phase noise, jitter analysis, budgeting, and feedback loop dynamics. + Simulation and Modeling: Skilled in developing System Verilog models, and performing behavioral simulations to explore new architectural performance and impact on loop dynamics. Ability to design/debug RTL is a plus. + Attention to Detail: Exceptional focus on understanding the problems at hand and their systemic impacts, ensuring thoroughness in problem-solving. + Innovation and Learning: A history of innovation and self-directed learning, with demonstrated leadership skills and a growth mindset. + Team Collaboration: Outstanding teamwork capabilities paired with strong productivity and scripting skills, ideally with experience in using industry-standard design tools. **Education & Experience** **Additional Requirements** **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 $121,900 and $183,600, and your base pay will depend on your skills, qualifications, experience, and location.Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.Learn more (https://www.apple.com/careers/us/benefits.html) about Apple Benefits.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.Learn more about your EEO rights as an applicant. (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) **Apple Footer** 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. Learn more about your EEO rights as an applicant (Opens in a new window) . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants. United States Department of Labor. Learn more (Opens in a new window) . Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines (opens in a new window) applicable in your area. Apple participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program (Opens in a new window) . Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more (Opens in a new window) . Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more (Opens in a new window) .