Pre Amplifiers (NL822 / NL824)

Pre Amplifiers (NL822 / NL824)

These Pre-Amplifiers are specifically designed to operate in conjunction with the NL820A Isolator.

  • Pre-Amplifiers are specifically designed to operate in conjunction with the NL820A Isolator
  • Small size and low noise
  • High impedance differential inputs
  • Suitable as head stage amplifiers
  • Operate close to the preparation.

Item# Description U.S. List Price Quantity
65-0278 NL822AC Pre-Amplifier, 2-Channel Remote
65-0279 NL824AC Pre-Amplifier, 4-Channel Remote
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The NL822 and NL824 Pre-Amplifiers are specifically designed to operate in conjunction with the NL820A Isolator. Their small size, low noise, and high impedance differential inputs make them particularly suitable for use as head stage amplifiers close to the preparation.

Specifications
Gain x100, x1,000, x10,000 (with individual channel control)
Low Frequency Cut 3, 10, 30 Hz (with individual channel control)
High Frequency Cut 30 kHz (-3dB) (with NL820A 25 kHz -3dB)
Input Impedance 100 MO
Input Channels 2 (NL822) or 4 (NL824)
Common Mode 10,000:1 (-80 dB) (with NL820A -120 dB)
Noise 5 µV RMS full bandwidth
Mute Manual push button or logic signal
CAL Out 100 µV, 160 Hz square wave