Broadcom System Signal/Power Integrity Engineer 

United States, California, San Jose 

666751730

System Signal/Power Integrity Engineer

• 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 completemeasurement-simulationcorrelation 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 frommeasurement-simulationcorrelation investigations to improve best practices for modeling and simulations.

• Capture high fidelity lab measurements to be used for correlation and debug purposes

  • Experience with sampling and real-time oscilloscopes, spectrum analyzers, and optical oscilloscopes.

Understand and apply:

• High speed data communications

• Transmission-line andelectromagnetic-fieldtheory

• 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.

• BS +8yrs, MS +6 yrs or PhD +3yrs Electrical Engineering or Physics and years experience in one or more of:

  • Signal integrity for high-speed digital applications

  • Electromagnetic transmission line theory

  • Microwave theory

  • Numerical Field solver theory

  • Power integrity

  • IC package design

• EM modeling (Ansys HFSS/SIWave/Q3D and Polar)

• Circuit simulation tools (Keysight ADS)

• Matlab (desired)

• Cadence APD/Allegro (desired)

• Other layout tools (desired)

• Linux (desired)

• Keysight AEL (desired)

• Perl (desired)

Compensation and Benefits

The annual base salary range for this position is $141,000- $225,000

This position is also eligible for a discretionary annual bonus in accordance with relevant plan documents, and equity in accordance with equity plan documents and equity award agreements.