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Hardware

Systems

Preamplifiers, Headstages, and Microwire Arrays

Preamplifiers

Since TDT developed the first digital biological amplifier in the mid 1990’s, our battery-powered, optically isolated, direct digital designs have become an industry standard. From headstage to base station, acquired signals flow through an optimized path designed to provide the best signal-to-noise and dynamic range possible. By digitizing biological signals near the headstage and transmitting them over a lossless fiber optic cable, we avoid the noise inherent in a traditional wired cable. Our innovative design also allows us to use low-voltage, low-noise OpAmps in the headstage and preamplifier, creating an efficient, safe, and low-noise front end.


Z-Series PreAmps 64, 128, or 256 Channels	Medusa PreAmps 4 or 16 Channels	Adjustable Gain Preamps 8 Channels


High Impedance Headstages TDT’s high impedance headstages are designed for extracellular neurophysiology using silicon electrodes, metal microelectrodes or microwire arrays.		Low Impedance Headstages TDT’s low impedance headstages are designed for evoked potentials, EMG, and EEG recordings using needle electrodes, surface electrodes and electrode caps.

High Impedance Headstages		Low Impedance Headstages

Microwire Arrays

Microwire Arrays

TDT has applied modern manufacturing techniques to this simple and reliable technology for chronic multi-channel neurophysiology. This allows us to add innovative new design features while delivering dependable and consistent microwire arrays and keeping lead time to a minimum.