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t-Lead: Tripolar Concentric Ring Electrode (TCRE)-based sensor

  • Each TCRE sensor consists of three electrode elements: the outer ring, the middle ring, and the center disc.
  • The outer ring of the TCRE emulates disc electrode biopotentials (eEEG).
  • Suitable for acquiring EEG in applications such as event related potentials (ERP), brain-computer interface (BCI) and seizure detection. Can also be used to acquire electrocardiography (ECG), electromyography (EMG), and other biopotentials.
  • Use with conductive paste.
  • Work in conjunction with the t-Interface.
  • Patent No. US8352012B2, US8615283B2, US8626259B2, and US9399133B2

t-Lead Specifications

Sensor Type Gold plated TCRE
Substrate FR-4 (diameter = 12 mm)
Size Outer ring diameter = 10 mm
Cable 3-conductor shielded, length = 6 ft.

t-Interface 20 | v2.0

t-Interface 20
t-Interface 20
  • The t-Interface serves to configure the TCRE electrode elements, route, and pre-amplify the signals.
  • Signals recorded with disc electrodes are known to be prone to artifacts. Incorporating the t-Leads and t-Interface into your current amplifier system improves the artifact rejection of your system, allowing for higher-fidelity biopotential signal acquisition and typically shorter acquisition times.
  • The t-Interface has been designed to be compatible with your current amplifier and software. Its outputs have standard touch-proof connectors that mate with common EEG amplifier head boxes (Biologic, BioPac, Brain Vision, Brain Products, EB Neuro, Grass/Natus, g.tec, Nihon Kohden, Neuroscan, TDT amplifiers, etc.).
  • Patent No. US8352012B2, US8615283B2, US8626259B2, and US9399133B2

t-Interface 20 | v2.0 Specifications

Channel Count 20 inputs (generates 40 output signals: 20 tEEG signals and 20 eEEG signals)
Input-related Noise 50 nV / √Hz at 500Hz
Input Impedance  47 kΩ – 71kΩ for 0.3Hz to 1kHz
Max input voltage 5 mV
Max output voltage 1000 mV
High pass filter 0.3 Hz
Output connection 50 pin D sub mass termination connector
Power Supply  2x Lithium Ion rechargeable (24+ hours)
Weight 1.13 kg
Dimensions (l x w x h) 254 mm x 162 mm x 63.5 mm



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