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AM-4000 Extracellular Amplifier

The AM-4000 is the perfect amplifier for high density recording.   Amplifiers can be stacked (in 32 channel increments) for up to 256 channels of software controlled amplification using the Virtual Instrument Manager plugin in the DataWave SciWorks application.
The software control within SciWorks greatly improves your productivity by eliminating the need to fiddle with front panel knobs every time you need to make a change.   Amplifier settings can be stored and recalled at any time for various experiments and easily adjusted at any time using the easy-to-use Virtual Instrument Manager interface.
See also the Multiplexed or Wireless High Density Recording System where the AM-4000 is integrated with high-density headstages for a high channel count recording solution.
AM-4000 Key Features
- Stackable in 32 channel increments up to 256 channels
- Connects directly to data acquisition and USB port for seamless integration
- Independent high gain, low noise channels
- Common reference bus for differential recording
- Works with existing headstages and electrodes
- Integrated solution when combined with the following headstages:
   + tethered record only
   + wireless
- Integrated amplifier solution for the Multiplexed and the Wireless high density recording systems
- A wide range of high pass, low pass, and notch filters
- Control via the DataWave Virtual Instrument Manager
- Amplifier configurations are easily saved and restored for different experiments
- Amplifier settings can be save in the amplifier or on the computer
- Can be rack mounted
AM-4000 Specifications
Noise:  5.0µV, rms (10Hz-10kHz, inputs shortened)
Input Impedance:  > 100 kΩ at 1kHz
Inter-channel Crosstalk:  > 90dB at 1kHz
Common Mode Rejection (CMR):  100dB
Rated Output:  Voltage Output: ±11V
Current: 5mA
High Pass Filter:  Cut-Off Frequencies: 0.3, 1, 3, 10, 30, 100, 300, 500 Hz
Cut-Off Rate: 40dB/decade
Low Pass Filter:  Cut-Off Frequencies: 0.1, 0.3, 0.5, 1, 3, 5, 10, 20 kHz
Cut-Off Rate: 40dB/decade
Notch Filter:  Center Frequency: 50Hz or 60Hz (user selectable)
Rejection: >30dB
(without headstage): 
1, 2, 5, 10, 20, 50, 100, 200
Click on a thumbnail image below to display a larger image.  Click again to restore the thumbnail.

AM-4000 Requirements
- The AM-4000 amplifier requires a USB port on the computer interfacing to the amplifier

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