Current preamplifier SR555
benchtopbandwidthlow-noise

current preamplifier
current preamplifier
current preamplifier
current preamplifier
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Characteristics

Type
current
Other characteristics
low-noise, bandwidth, benchtop
Voltage

20 V

Current

10 mA

Frequency

120 kHz

Description

10 V/µA fixed gain Bias voltage input Powered by SRS lock-in amplifiers The SR555 is a low-noise, high-bandwidth, fixed-gain current (trans-impedance) amplifier designed to work with SRS lockin amplifiers. Current amplifiers provide gain close to the experimental detector, allowing the user to minimize input cable length and its corresponding input capacitance. The SR555 minimizes noise and pickup before they permanently degrade the signal-to-noise ratio, reducing measurement time in noise-limited experiments. SR555 Current Preamplifier The SR555 is a low-noise, high-bandwidth, fixed-gain current (trans-impedance) amplifier designed to work with SRS lockin amplifiers. Current amplifiers provide gain close to the experimental detector, allowing the user to minimize input cable length and its corresponding input capacitance. The SR555 minimizes noise and pickup before they permanently degrade the signal-to-noise ratio, reducing measurement time in noise-limited experiments. Power is brought from the lock-in by a 9-pin cable. The SR555 can also be operated independently by applying the appropriate DC power.
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