System Signal​/Power Integrity Engineer

* Support high data rate Ser Des applications - up to 112

Gbps 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.
* High speed data communications
* Transmission-line and electromagnetic-field theory
* Numerical analysis
* VNA/TDR measurements
* Bit-by-bit and Statistical simulators for serial data (Ser Des) 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, Ser Des TX-RX links
* Jitter sensitivity measurement and analysis for Ser Des 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 and 12+ yrs, MS and 10+ yrs or PhD and 7+yrs Electrical Engineering or Physics 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  
* Photonics
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