GUY STEIFF
Fix ADC & High-Speed IO Failures — Fast
ENOB loss, drift, and unstable validation — diagnosed from your data in days.
Post-silicon validation | ADC | High-speed IO
When to bring me in
Are these issues stalling your validation? Let me help.
- ENOB loss: Below target with no clear root cause.
- Unstable validation: Results vary across units, temperature, or test runs.
- Noise floor issues: Spiky or unstable behavior impacting performance.
- Calibration breakdowns: Inconsistent behavior or saturation in calibration.
- Data bottleneck: Weeks of analysis, but still no clear conclusion.
- Unknown spectrum artifacts: Signals show unexpected behavior, compromising analysis.
- Eye height/width issues: Inadequate signal integrity causing data errors.
Most of these issues are diagnosable directly from existing datasets.
Shorts
Quick engineering tips and insights on ADC validation, data analysis, and troubleshooting.
Watch more short-form content on my Rumble channel.
Rates
Below are the rates for my consulting services, which are mainly remote but may include on-site visits when necessary. Rates are negotiable based on project complexity and scale.
General Consulting Services
Services are primarily remote, but on-site visits can be arranged if project requirements demand.
My services cover a wide range of activities including:
- Test Development
- Test Execution
- Analysis of Results & Reporting
- Infrastructure Development & Tuning
- Remote & On-Site Support
All services are offered at a flat hourly rate. Rates are negotiable depending on the project's size, complexity, and duration.
Rate: Quotations provided upon project proposal.
Online Training
Customized online training for teams or individuals covering:
- High-speed IO Validation
- Data Converter Circuits (DAC/ADC)
- Spectrum Analysis
- Data Analysis & Visualization + Reporting
- Analysis of Analog KPIs
Sessions can include interactive Q&A and hands-on exercises. Designed for both individuals and teams.
Rate: $500 per hour
For detailed project quotes or training inquiries, please contact me.
SMEAS: Analyze time domain sines at ease

An industrial-grade spectrum analysis tool available at smeas.onrender.com. Used for visualizing a Receiver/Transmitter's signal performance.
PyVarChart: Organize data into differentiable categories to identify trends

A Python-based data visualization system tailored for high-density engineering data, with dynamic graph rendering, real-time filtering, and scripting hooks for custom analysis.
Demo videos available over at Rumble: https://rumble.com/c/c-7834440?e9s=src_v1_cbl
Project repository on GitHub: https://github.com/Guy-Steiff/pyvarchart
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