Pisenti, N.
, Restelli, A.
, Reschovsky, B.
, Barker, D.
and Campbell, G.
(2016),
An ultra-low noise, high-voltage piezo driver, Review of Scientific Instruments
(Accessed July 4, 2025)
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An ultra-low noise, high-voltage piezo driver
Published
Author(s)
Neal C. Pisenti, , Ben J. Reschovsky, ,
Abstract
We present an ultra-low noise, high-voltage driver suited for use with piezoelectric actuators and other low- current applications. The architecture uses a flyback switching regulator to generate up to 250V in our current design, with an output of 1 kV or more possible with small modifications. A high slew-rate op-amp suppresses the residual switching noise, yielding a total RMS noise of ≈ 100 V (1 Hz-100 kHz). A low-voltage (±10 V), high bandwidth signal can be summed with unity gain directly onto the output, making the driver well-suited for closed-loop feedback applications. Digital control enables both repeatable setpoints and sophisticated control logic, and the circuit consumes less than 150mA at +/-15 VCitation
Review of Scientific Instruments
Volume
87
Pub Type
Journals
Keywords
ultracold atoms, low-noise electronics
Citation
Issues
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Created December 7, 2016, Updated October 12, 2021