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Freelance Analog IC Design Engineer

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This job: first seen 2 hours ago

The posting

Freelance Talent Pool · Future Assignments

No immediate requirement. This posting is intended to build our freelance talent pool and contact database for future assignments. No assignment or start date is currently confirmed.

Analog IC design for ASIC / IP / mixed-signal projects

We are building our network of independent experts who can design, simulate and optimize analog and mixed-signal blocks for future client projects.

Share Your Freelance ProfileView Technical Scope

Start date

Future need, no date confirmed

Engagement

Freelance assignment

Location and work mode

Moirans / Grenoble, on-site or remote depending on the project

What We Value

  • Autonomy, methodological rigor and ownership of a block from specification through validation.
  • Strong analytical and problem-solving skills, with proactive communication of technical risks.
  • High-quality documentation, delivery against milestones and effective multidisciplinary teamwork.
  • Professional technical English for project discussions and deliverables.

Before sharing your profile

Please do not share confidential design details. High-level project examples are sufficient.

The activities and deliverables below illustrate possible scopes for future collaborations. They will be tailored to each project.

Potential Responsibilities

  • Analyze system requirements and define the electrical, functional and performance specifications of analog blocks.
  • Design architectures and transistor-level schematics for blocks such as ADCs / DACs, LDOs, PMUs, DC-DC converters, PLLs, oscillators, voltage references and sensor front-ends.
  • Run SPICE simulations covering DC, AC, transient behavior, noise, stability, power consumption and dynamic performance.
  • Perform PVT, corner, Monte Carlo and mismatch analyses to ensure robustness, yield and design margins.
  • Optimize performance / power / area trade-offs and prepare design and validation reviews.
  • Collaborate with analog layout, mixed-signal verification and SoC integration teams, and analyze post-layout and parasitic extraction (PEX) results.

Technical Expertise

  • Proven experience in CMOS analog circuit design and ASIC / IP block development.
  • Proficiency in transistor-level design and fundamentals including noise, stability, compensation, linearity, matching and process variation.
  • Hands-on experience with a design and simulation environment such as Cadence Virtuoso / Spectre, or an equivalent solution.
  • Proficiency in pre-layout and post-layout simulations, corner analyses and statistical simulations.
  • Understanding of layout constraints, including parasitics, symmetry, isolation and coupling, and the ability to guide the physical design team.
  • Ability to document results, automate analyses and work in a Linux environment.

Typical Deliverables

Architecture, detailed specifications and electrical schematics for the designed blocks.

Reusable simulation environments and testbenches, including scripts and test conditions.

Performance reports covering nominal conditions, PVT and Monte Carlo analyses, with justification of design margins.

Layout handoff package covering matching, placement, isolation and critical constraints.

Post-layout results, deviation tracking and validation materials before sign-off.

Nice to Have

  • Experience with mixed-signal blocks, including SAR, sigma-delta or pipeline converters, sensor interfaces and signal-conditioning chains.
  • Knowledge of RF, PLL, low-noise, low-power or high-precision circuits, depending on the project.
  • Use of Verilog-A / Verilog-AMS for behavioral modeling and mixed-signal validation.
  • Experience with CMOS / FDSOI processes and silicon qualification and test constraints.
  • Knowledge of Python, MATLAB, Ocean / SKILL or other simulation automation tools.

Collaboration Arrangements

No immediate requirement. This posting is intended to build our freelance talent pool and contact database for future assignments. No assignment or start date is currently confirmed.

When a future need is identified, the technical scope, schedule, duration, location, remote working arrangements and commercial terms will be discussed based on the project and the freelancer’s expertise.

About XDigit

XDigit is a French design house specializing in custom integrated circuits and embedded electronic systems. We serve markets including IoT, medical, space, automotive and smart cities, with expertise in analog, digital and mixed-signal design. We support ASIC and silicon IP projects from specifications through to GDSII.

We also develop MASSAR, a patented analog-to-digital converter for high-performance image sensors, marketed as silicon IP.

Join Our Freelance Talent Pool

Share your CV or professional profile, availability, location and a few non-confidential examples of analog IC design projects. We will contact you if a future requirement matches your expertise.

Share Your Freelance Profile

Contact: [email protected] · www.xdigit.fr

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