Barker, D.
, Pisenti, N.
, Restelli, A.
, Scherschligt, J.
, Fedchak, J.
, Campbell, G.
and Eckel, S.
(2019),
A wide-bandwidth, high-power radio-frequency driver for acousto-optic and electro-optic devices, Review of Scientific Instruments, [online], https://doi.org/10.5281/zenodo.3361540
(Accessed December 9, 2024)
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A wide-bandwidth, high-power radio-frequency driver for acousto-optic and electro-optic devices
Published
Author(s)
, Neal C. Pisenti, , , , ,
Abstract
We present a design for a general-purpose radio-frequency amplifier circuit that is suitable for driving acousto-optic and electro-optic devices. Our design uses telecom amplifiers to achieve power output > 1 W over a 10 MHz to 1.1 GHz frequency range, and > 5W from 20 MHz to 100 MHz. The amplifiers are protected from damage during power cycles by power sequencers. The design incorporates auxiliary components for analog frequency and amplitiude modulation (approximately 70 kHz bandwidth) as well as digital power switching (> 30 dB of extinction within 40 ns and final extinction > 90 dB). The radio-frequency source can also be digitally switched between an external input and an integrated voltage-controlled oscillator. The only bandwidth-limiting element of our radio-frequency driver is the voltage-controlled oscillator, so our design can be reconfigured to drive different devices by swapping a single component.Citation
Review of Scientific Instruments
Pub Type
Journals
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Keywords
radio-frequency, electronics, spectroscopy, laser-cooling
Citation
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Created August 6, 2019, Updated April 20, 2020