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
High Impedance
64, 128, or 256 Channels
Low Impedance
32, 64, or 128 Channels

Medusa PreAmps
4 or 16 Channels

Adjustable Gain Preamps
8 Channels
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ZIF-Clip® Headstages
ZIF-Clip® headstages are designed for extracellular neurophysiology and feature the high channel count, auto-aligning, zero insertion force ZIF-Clip®

ZIF-Clip® Headstages
16,32,64,96, or 128 Channels
High Impedance Headstages
TDT’s high impedance headstages are designed for extracellular neurophysiology using silicon electrodes, metal microelectrodes or microwire arrays.

High Impedance Headstages
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.

Low Impedance Headstages
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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.

Microwire Arrays
MEA Interface
TDT’s MicroElectrode Array Interface for in vitro recordings.

MEA Interface |