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High voltage, high resolution, digit...

Kittredge, Jeffrey.

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High voltage, high resolution, digital-to-analog converter for driving deformable mirrors.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	High voltage, high resolution, digital-to-analog converter for driving deformable mirrors./
作者:	Kittredge, Jeffrey.
面頁冊數:	97 p.
附註:	Source: Masters Abstracts International, Volume: 54-03.
Contained By:	Masters Abstracts International54-03(E).
標題:	Electrical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1584970
ISBN:	9781321605303

High voltage, high resolution, digital-to-analog converter for driving deformable mirrors.
Kittredge, Jeffrey.

High voltage, high resolution, digital-to-analog converter for driving deformable mirrors. - 97 p.

Source: Masters Abstracts International, Volume: 54-03.

Thesis (M.S.)--Boston University, 2015.

Digital-to-analog converters with a range over 50 volts are required for driving micro-electro mechanical system deformable mirrors used in adaptive optics. An existing tested and deployed DM driver has 1024 channels and resolution of 15mV per Least Significant Bit. DMs used in the search for exoplanets require 3mV per LSB resolution. A technique is presented to employ a secondary high resolution and low voltage DAC which has for it's ground the output of the high voltage DAC. The entire system then has the range of high voltage DAC yet the resolution of the low voltage DAC. A method for providing signal and power to the floating system is given. Rudimentary micro controller firmware and also PC software is presented to achieve complete functionality. The technique uses all off-the-shelf components. Resolution of 1.6mV per LSB, 60V range and 36mW of power per channel is achieved.

ISBN: 9781321605303Subjects--Topical Terms:

649834
Electrical engineering.

High voltage, high resolution, digital-to-analog converter for driving deformable mirrors.
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520 $a Digital-to-analog converters with a range over 50 volts are required for driving micro-electro mechanical system deformable mirrors used in adaptive optics. An existing tested and deployed DM driver has 1024 channels and resolution of 15mV per Least Significant Bit. DMs used in the search for exoplanets require 3mV per LSB resolution. A technique is presented to employ a secondary high resolution and low voltage DAC which has for it's ground the output of the high voltage DAC. The entire system then has the range of high voltage DAC yet the resolution of the low voltage DAC. A method for providing signal and power to the floating system is given. Rudimentary micro controller firmware and also PC software is presented to achieve complete functionality. The technique uses all off-the-shelf components. Resolution of 1.6mV per LSB, 60V range and 36mW of power per channel is achieved.
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