Principal PLL Design Engineer

Celero Communications, Inc.

$200K — $300K *
Telecommunications & Hardware
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree and/or PhD in Electrical Engineering or related fields
  • 5+ years of relevant experience in PLL design
  • Production level tape-out experience
  • Extensive experience with advanced node technologies (16nm to 2nm)
  • Deep understanding of phase noise analysis and VCO design
  • Proficient in Cadence Virtuoso, EMX/HFSS, and MATLAB
  • Strong communication and documentation skills

Responsibilities

  • Understand trade-offs between different PLL topologies for power and performance
  • Architect, design, and simulate PLL building blocks at the transistor level
  • Address advanced node technology challenges like self-heating and noise optimization
  • Supervise and verify layouts to ensure optimized performance
  • Conduct PLL bring-up and performance characterization in the lab
  • Perform system-level simulations for PLL integration
  • Collaborate with cross-functional teams to ensure design alignment

Benefits

  • Opportunities for professional development and growth
  • Work in a cutting-edge technology environment
  • Collaborative team culture
  • Access to state-of-the-art lab equipment
  • Involvement in advanced transceiver technologies
Full Job Description
Principal PLL Design Engineer

What You Will Do
• Understand trade-offs between different PLL topologies (e.g., integer-N, fractional-N, all-digital/ADPLL) to meet specifications for power, area, jitter, and frequency range
• Architect, design and simulate analog/mixed-signal PLL building blocks (VCOs, charge pumps, dividers, PFDs, Loop Filters) at transistor level using tools like Cadence Virtuoso and Spectre
• Address challenges in advanced node technologies, such as self-heating, electromigration, voltage-controlled oscillator (VCO) linearization and device-level noise optimization
• Supervise and verify layouts produced by layout engineers to ensure floorplanning, matching, and parasitic minimization using advanced node technologies
• Be responsible for PLL bring up in the lab, conducting performance characterization using state-of-the-art lab equipment
• Conduct comprehensive system-level simulations and validation for PLL integration into advanced transceiver technologies

What You Will Bring
• Master's degree and/or PhD in Electrical Engineering or related fields with 5+ years of relevant experience in PLL design, and production level tape-out experience.
• Must have extensive experience with advanced node technologies (16nm/12nm, 7nm, 5nm, 3nm, 2nm processes)
• Deep understanding of phase noise analysis, VCO design, LDOs and supporting circuitry associated with PLLs
• Proficient in cadence virtuoso, electromagnetic simulator (e.g., EMX/HFSS), and MATLAB for system-level modelling
• Strong communication and documentation skills

Annual Base Salary Range: $200,000 - $300,000 (The final offer will be determined based on job-related skills, experience, qualifications, and location.)

Javier Leon
Talent Acquisition

[email protected]
www.celero.inc

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