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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Amplifier AC/DC Differential Biotechnology

Amplifier AC/DC Differential

Product Code:3000

Need more Info? (514) 354-2511 - 1-800-463-4363

Model 3000 High-Gain AC/DC Differential Amplifier is designed for low-noise recordings from excitable tissue. Specific applications include EEG, EKG, extracelluar recordings, etc.

This single-channel amplifier is packed full of features to accommodate your specific instrumentation requirements, yet fits into a compact enclosure for convenient placement in the lab. The standard input consists of a twisted-pair cable with an active shield. The ends of the cable are left bare to be wired to your input device. As an option, a headstage can be used to pre-amplify the input signal for high impedance glass or metal microelectrodes. The input mode can be set for either differential or single-ended recordings.

External stimulus generators (such as the Model 2100) can be easily used with the Model 3000 via the stimulus input. The stimulus mode allows the current passing through the electrode to be measured during stimulation at gain levels from 5mV/µA to 1V/µA. Both stimulus and recording modes can be controlled through an external gate signal, allowing for computer controlled switching.

The Model 3000 provides a complete set of precision controls, allowing maximum control over stimulus and recording operations. The input can be amplified from 50 to 10,000 times in both DC and AC modes. A high resolution DC Offset adjustment is available up to ±250mV, using Fine and Coarse adjustment controls. High Pass, Low Pass, and Notch Filters offer wide frequency selectivity.

The small size of the amplifier and remote power supply offers the advantage of placing the amplifier next to the experimental set up, or within a Faraday cage with minimal power-line interference.

Noise 2µV, rms (10Hz - 10kHz); 0.1fA/Hz at 1kHz
Input Impedance 1015 Ohms || 1pF
Initial Bias Current  ±1.0fA, typical
Max Differential Signal 200mV with ±250mV offset
Capacity Compensation -4 - 50pF
Ext. Power External power supply for low noise
Note: Gain and filter settings are factory customizable upon request!


Ordering Informations
Part Number Description
910000 Model 3000 AC/DC Differential Amplifier

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