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Broadcom · 1 day ago

System Signal Integrity Engineer

Fort Collins, CO

Full-time

Onsite

Mid, Senior Level

$108K/yr - $173K/yr

6+ years exp

Broadcom is a leading technology company, and they are seeking a System Signal Integrity Engineer to support high data rate SerDes applications. The role involves collaborating with designers, developing models, and performing measurements to ensure signal and power integrity in complex systems.

MobileSemiconductorWireless

H1B Sponsor Likely

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

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

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

Qualification

Signal IntegrityPower IntegrityElectromagnetic TheoryHigh-speed Digital ApplicationsAnsys HFSSKeysight ADSCircuit SimulationVNA/TDR MeasurementsMatlabProject ManagementDocumentation SkillsCommunication SkillsCollaboration Skills

Required

BS +8yrs, MS +6 yrs or PhD +3yrs Electrical Engineering or Physics and years experience in one or more of: Signal/Power integrity for high-speed digital applications, Electromagnetic transmission line theory, Microwave theory, Numerical Field solver theory, Power integrity, IC package design, Photonics