Advanced Technology Search
System Signal and Power Integrity Engineer
Advanced Technology Search, San Jose, California, United States, 95199
System Signal and Power Integrity Engineer
POSTING DATE: 5.1.25 Responsibilities • Support high data rate SerDes applications – up to 112Gbps NRZ and 224G PAM4 systems • System level Signal and Power Integrity design trade-offs and debug • Collaborate with package, PCB, and silicon designers to complete measurement-simulation correlation projects • Develop models with electromagnetic field solvers: primarily with Ansys HFSS and electronic suite. • Ability to understand laminate design and fabrication techniques and limitations for both package and PCB designs. • Evaluate system, PCB and package material and connector solutions for future designs. • Simulate schematic models and environments within Keysight ADS. • Ensure and know trade-offs for the accuracy of models (3D/2.5D/2D) used for design simulations. • Perform and develop VNA/TDR (50GHz+) measurement techniques and correlate with models and simulations. • Provide feedback and learnings from measurement-simulation correlation investigations to improve best practices for modeling and simulations. • Capture high fidelity lab measurements to be used for correlation and debug purposes Understand and apply: • High speed data communications • Transmission-line and electromagnetic-field theory • Numerical analysis • VNA/TDR measurements • Bit-by-bit and Statistical simulators for serial data (SerDes) links • Insertion loss, return loss, crosstalk, BER, jitter, and statistical eye diagrams • Work in either time domain or frequency domain • Phase noise analysis as it applies to PLL’s, reference clocks, SerDes TX-RX links • Jitter sensitivity measurement and analysis for SerDes IP • Organize and manage multiple projects • Develop, clearly and effectively document, and track project plans • Effectively communicate complex concepts in conversation, presentations and written documents • Determine and document applicable requirements for ASIC package and PCB designs, drawing from industry standards, customer requirements, and/or APD Broadcom’s internal performance goals • Collaborate with Package and PCB Engineers to fulfill System SI requirements, while balancing objectives (reliability, cost, complexity, etc.) • Pre-layout and post-layout modeling and simulation to support package and PCB engineering for signal integrity • Document and deliver SI models with supporting documentation to customer and internal engineers • Support customer analysis and debug efforts related to our deliverables • Understanding of optical/electrical engine concepts and theory of operation, CWDM, OMA, etc.. • Familiarity with optical channel impairments such as chromatic dispersion (CD) and four-wave mixing (FWM). • Power Integrity Concepts: PDN impedance analysis and design, ultra-low impedance measurements, understanding of SMT capacitor performance metrics, use of CPA and/or SI-Wave for PDN simulations. Qualifications • BS +8yrs, MS +6 yrs or PhD +3yrs Electrical Engineering or Physics and years experience in one or more of: o Signal integrity for high-speed digital applications o Electromagnetic transmission line theory o Microwave theory o Numerical Field solver theory o Power integrity o IC package design o Photonics
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POSTING DATE: 5.1.25 Responsibilities • Support high data rate SerDes applications – up to 112Gbps NRZ and 224G PAM4 systems • System level Signal and Power Integrity design trade-offs and debug • Collaborate with package, PCB, and silicon designers to complete measurement-simulation correlation projects • Develop models with electromagnetic field solvers: primarily with Ansys HFSS and electronic suite. • Ability to understand laminate design and fabrication techniques and limitations for both package and PCB designs. • Evaluate system, PCB and package material and connector solutions for future designs. • Simulate schematic models and environments within Keysight ADS. • Ensure and know trade-offs for the accuracy of models (3D/2.5D/2D) used for design simulations. • Perform and develop VNA/TDR (50GHz+) measurement techniques and correlate with models and simulations. • Provide feedback and learnings from measurement-simulation correlation investigations to improve best practices for modeling and simulations. • Capture high fidelity lab measurements to be used for correlation and debug purposes Understand and apply: • High speed data communications • Transmission-line and electromagnetic-field theory • Numerical analysis • VNA/TDR measurements • Bit-by-bit and Statistical simulators for serial data (SerDes) links • Insertion loss, return loss, crosstalk, BER, jitter, and statistical eye diagrams • Work in either time domain or frequency domain • Phase noise analysis as it applies to PLL’s, reference clocks, SerDes TX-RX links • Jitter sensitivity measurement and analysis for SerDes IP • Organize and manage multiple projects • Develop, clearly and effectively document, and track project plans • Effectively communicate complex concepts in conversation, presentations and written documents • Determine and document applicable requirements for ASIC package and PCB designs, drawing from industry standards, customer requirements, and/or APD Broadcom’s internal performance goals • Collaborate with Package and PCB Engineers to fulfill System SI requirements, while balancing objectives (reliability, cost, complexity, etc.) • Pre-layout and post-layout modeling and simulation to support package and PCB engineering for signal integrity • Document and deliver SI models with supporting documentation to customer and internal engineers • Support customer analysis and debug efforts related to our deliverables • Understanding of optical/electrical engine concepts and theory of operation, CWDM, OMA, etc.. • Familiarity with optical channel impairments such as chromatic dispersion (CD) and four-wave mixing (FWM). • Power Integrity Concepts: PDN impedance analysis and design, ultra-low impedance measurements, understanding of SMT capacitor performance metrics, use of CPA and/or SI-Wave for PDN simulations. Qualifications • BS +8yrs, MS +6 yrs or PhD +3yrs Electrical Engineering or Physics and years experience in one or more of: o Signal integrity for high-speed digital applications o Electromagnetic transmission line theory o Microwave theory o Numerical Field solver theory o Power integrity o IC package design o Photonics
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