Electronics Design Engineer for Medical Neurostimulation Device -- 2

Job ID: 40567174

Budget: €11,500 – €11,501 EUR

1 Project overview
We are developing a medical neurostimulation device intended for therapeutic applications, including tinnitus treatment.
The system consists of:
• A central unit based on a Toradex Verdin i.MX 8M Mini SOM
• Up to five body-mounted emitters
• Custom electronics responsible for signal generation, power control, safety monitoring and communication with the Toradex platform
The project is already well defined at system level, and hardware development can start immediately.
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2 Scope of Work
Design a custom electronics board capable of controlling up to five emitters simultaneously.
Each emitter includes:
2.1 Inductive Channel
• Resonant coil
• Approximately 35 kHz sinusoidal carrier
• Current-controlled operation preferred
• Automatic resonance tuning
• Optional AM modulation from an audio signal (25 Hz – 8 kHz)
2.2 Capacitive Channel
• 6 MHz sinusoidal excitation
• Variable load depending on patient coupling
• Real power control preferred
• Independent control per emitter
2.3 Additional Functions
• Temperature sensing (optional)
• Safety monitoring
• Power management
• Audio input/output
• Communication with Toradex SOM
• Embedded firmware development
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3 Existing Assets
The project is not starting from scratch.
Available resources include:
• Selected Toradex platform
• Initial emitter prototypes
• LTspice simulations
• Preliminary coil measurements
• System architecture definition
• Technical support from experienced electronics engineers who will participate in periodic design reviews
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4 Deliverables
• System architecture
• Schematics
• PCB layout
• BOM
• Embedded firmware
• Prototype bring-up and validation
• Support for manufacturing of the first prototype batch
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5 Desired Skills
We are looking for engineers with experience in one or more of the following areas:
• Analog electronics
• Mixed-signal electronics
• Power electronics
• RF electronics
• Resonant circuits
• Embedded firmware
• Medical devices (preferred but not mandatory)
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6 Schedule
Target schedule:
• PCB layout within approximately 1 month
• First assembled and tested prototype within approximately 2 months
Alternative schedules may be proposed if technically justified.
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7 To Apply
Please provide:
1. A short description of your relevant experience
2. Examples of previous projects involving:
o Analog electronics
o RF or resonant circuits
o Power electronics
o Medical devices (if applicable)
3. Your expected availability over the next 2–3 months
4. Whether you are an individual freelancer or part of a design company
Selected candidates will receive the complete technical specification document and will be invited to a technical discussion before project assignment.