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AM-1700 Extracellular Amplifier

The AM-1700 gives you four channels of differential amplification in a single instrument.   This highly reliable amplifier is a workhorse for extracellular recording.
Each amplifier channel is designed for low a impedance connection.   A connection is also provided for a stimulator input so that stimulating through an electrode is possible.
AM-1700 Key Features
- 4 independent channels
- Pass stimulation and record from an electrode
- Gain selections include x100, x1,000, and x10,000
- Low noise (1.0µV peak to peak)
- High common-mode rejection (> 70 dB at 60 Hz)
- High line frequency rejection with notch filter (>110 dB at 60 Hz)
- High input impedance (100,000 MΩ)
- Low input bias current (±3 pA typical; 20 pA maximum)
- Driven cable shield for reduced capacitance
- Adjustable low and high frequency filters
- Notch filter for 50 or 60 Hz interference
- Can be rack mounted
AM-1700 Specifications
Noise:  Voltage, fB = 10Hz-10kHz, typical: 1.0µV, p-p
Offset Voltage:  Average Drift , maximum: ±30.0µV/Deg C
Bias Current:  Initial Bias Current, maximum: ±0.4nA
Offset Current:  Input Offset Current, maximum: ±0.4nA
Input Impedance:  1012Ω || 50pF
Inter-channel Crosstalk:  90dB at 1kHz
Voltage Range:  x100: .11VAC or .11VDC ±5%
x1000: .011VAC or .11VDC ±5%
x10000: .0011VAC or .11VDC ±5%
Common Mode Rejection (CMR): 75dB
Slew Rate:  2V/µS
Rated Output:  Voltage Output: ±11V
Current Output: 5mA
Output Resistance: >50Ωs
Low-Cutoff Filter:  Cut-Off Frequencies: 0.1, 1, 10, 100, 300 Hz
Cut-Off Rate: 40dB/decade
High-Cutoff Filter:  Cut-Off Frequencies: 0.5, 1, 5, 10, 20 kHz
Cut-Off Rate: 40dB/decade
Notch Filter:  Center Frequency: 50Hz or 60Hz (factory preset)
Rejection: >35dB
Gain:  100, 1000, 10,000
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AM-1700 Requirements
- no special requirements

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