Preamplifiers

Signal Recovery offers a full line of voltage and current preamplifiers including low noise, wideband, and differential input.  All Signal Recovery’s preamplifiers are designed to work with Signal Recovery lock-in amplifiers or as stand- alone signal enhancing units.

  • 5402 Low Noise Current Amplifier

    • Low input impedance
    • Low noise
    • Single-ended virtual ground input
    • Six gain settings
    • DC to > 4 MHz frequency response
    • Internal rechargeable batteries

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  • 5182 Current Preamplifier

    Current Preamplifier

    • Low input impedance
    • Low noise
    • Single-ended virtual ground innput
    • Adjustable snesitivity
    • Bias current monitor (DC) and signal (AC) outputs
    • DC to 1 MHz frequency response
    • Battery or external DC power
    • Photodiode amplification
    • Photomultiplier amplification
    • Ion collector amplification
    • Electron multiplier amplification

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  • 5184 Ultra Low-Noise Preamplifier

    Ultra Low Noise Preamplifier

    • Medium input impedance
    • Ultra low noise
    • Pseudo-differential input
    • Fixed x1000 gain
    • 0.5 Hz to 1 MHz frequency response
    • Battery or external DC power
    • Cryogenic detector amplification

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