Stanford Research SR860 DSP Lock-In Amplifier, 1 mHz to 500 kHz
The SR860 DSP Lock-In Amplifier provides unparalleled analog performance, sophisticated new digital signal processing features, a thoroughly modern, intuitive user interface, and a wide range of computer connectivity options, the SR860 is the ideal choice for any synchronous detection application.
From a hefty toroidal transformer that eliminates switch-mode noise to iOS connectivity that brings the lock-in to your cell phone to advanced DSP filters that eliminate more noise while speeding up your experiment, the SR860 is truly the ultimate lock-in amplifier.
Lock-in performance starts at the front end. The SR860 front end offers both state-of-the art voltage and current input amplifiers. The voltage input is a switchable single-ended/differential JFET-pair amplifier with 2.5 nV/√Hz of noise at 1 kHz and under 10 nV/√Hz of noise at 10 Hz. The voltage input has a 10 MΩ input impedance and can be AC or DC coupled. Input connector shields can be connected to the instrument ground through a user selectable 10 Ω (Ground) or 10 kΩ (Float) resistor. The SR860's built-in current amplifier represents a significant improvement over previous designs. The current input range is selectable from 1 µA or 10 nA. The 1 µA range has 400 kHz of bandwidth and 130 fA/√Hz of noise, while the 10 nA range offers 2 kHz of bandwidth and 13 fA/√Hz of noise.
- 1 mHz to 500 kHz frequency range
- Touchscreen data display
- 1 µs to 30 ks time constants
- Low noise voltage & current inputs
- High bandwidth outputs
- HDMI video output
- 10 MHz timebase input & output
- GPIB, RS-232, Ethernet & USB interfaces
Please see Datasheet for complete details and specifications.
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