SADDAS; a self-contained analog to digital data acquisition syste

Portland State University PDXScholar Dissertations and Theses Dissertations and Theses 1972 SADDAS; a self-contained analog to digital data acquisition system Walter Anton Petersen Portland State University Follow this and additional works at: https://pdxscholar.library.pdx.edu/open_access_etds Part of the Computer and Systems Architecture Commons, and the Data Storage Systems Commons Let us know how access to this document benefits you Recommended Citation Petersen, Walter Anton, "SADDAS; a self-contained analog to digital data acquisition system." (1972) Dissertations and Theses Paper 949 https://doi.org/10.15760/etd.949 This Thesis is brought to you for free and open access It has been accepted for inclusion in Dissertations and Theses by an authorized administrator of PDXScholar Please contact us if we can make this document more accessible: pdxscholar@pdx.edu AN ABSTRACT OF THE THESIS OF walter Anton Petersen for tlle Master of Science in Applied Science presented May 17, 1968 Title: SADIlAS, a Self-contained Analog to Digital Data Acquisition Syatem Willia."tl Beore SADDAS, C' Self-contained Analog to li'igital Data Acquisition System, conv,arts analog voltage inputn to formatted BCD (binary coded decirr!3.1) digit,al magnetic tape SADDAS consists of a 16 cha.nnel t:ru.lti­ plexer, a 11 bit (4 digits + sign) 40 nd.crosecond a "'l.a.log to digital converter, til 5'12 byte digital tape recorder per inch), t_~d bit core memory, a 30 IPS (inches per second) recordir~ at a density of 556 cpi (characters a controller which integrates these a flexible and easy-to-use system samples per second ~ay j~struments Sampling rates in excess of 'be used when converting seven such as !RIG (Inter Range Inst~e~tation c~~lnels into 360 of data, Group) analog magnetic tapes SADDAS a SELF-CONTAlNED ANALOG TO DIGITAL DATA ACQUISITION SYSTEM by WAIll'ER Al-l"TON PETERSEN' A thesis submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE in APPLIED SCIENCE Portland State University 1972 TO THE OFFICE OF GRA.DUATE STUDIES AND RESEARCH: The members of the Committee approve the thesis of Jac:ij: j APPROVED: David "ley, Chairman " SADDAS a SELF-CONT.A.:mED ANALOG TO DIGIT.AL DATA ACQUISITION SYSTEM by 'WALTER ANTON PETERSEN A thesis submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE in APPLIED SCIENCE Portl~~d State University 1968 TO THE OFFICE OF GRADUATE STUDIES AND RESEARCH: The members of the Committee approve the thesis of J l{t 5) TR: Return READ SPEED Sw to appropriate position for fur­ ther conversion ... such as !RIG (Inter Range Inst~e~tation c~~lnels into 360 of data, Group) analog magnetic tapes SADDAS a SELF-CONTAlNED ANALOG TO DIGITAL DATA ACQUISITION SYSTEM by WAIll'ER Al-l"TON PETERSEN' A. .. Willia."tl Beore SADDAS, C' Self-contained Analog to li'igital Data Acquisition System, conv,arts analog voltage inputn to formatted BCD (binary coded decirr!3.1) digit,al magnetic tape SADDAS... Committee approve the thesis of Jac:ij: j APPROVED: David "ley, Chairman " SADDAS a SELF-CONT .A. :mED ANALOG TO DIGIT.AL DATA ACQUISITION SYSTEM by 'WALTER ANTON PETERSEN A thesis submitted in partial