Engineering Tools
Calculators for common neurotech engineering challenges.
Charge Density Limit (Shannon)
Calculate safe stimulation limits based on the Shannon equation.
Implant Power Budget
Estimate battery life based on state duty cycles.
Thermal Noise & SNR
Calculate Johnson-Nyquist noise and resulting SNR.
Recording Data Rate
Calculate raw telemetry payloads.
SAR Limits (MRI)
Check RF absorption limits for MRI conditionally safe devices.
Electrode Impedance
Estimate 1kHz impedance given area and material.
Compliance Voltage
Calculate required voltage rail for a given current and load.
Battery Capacity
Convert mAh to Joules for specific battery chemistries.
Tissue Heating
Estimate local temperature rise from telemetry coils.
Biphasic Pulse Charge
Calculate total charge per phase for common pulse shapes.
Related references: Landscape, Evidence, Regulatory, DBS, SCS, BCI, Closed-Loop Systems, Tissue Encapsulation, IDE Process, Breakthrough Designation, Implant Materials, Battery Chemistry, Electrode Design, Data Telemetry, Synchron Command, NeuroPace RNS, Saluda Evoke, Medtronic Percept, Boston Scientific Vevise, Abbott Proclaim