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Donald M. Hummels


Click on the titles below to find US government-authored or -collected reports written by Donald M. Hummels

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Development of a Multi-GHz Sampling Capability at the University of Maine UHF Test Facility 19 FEB 2001 78 pages
Authors:  Donald M. Hummels; Fred Irons; MAINE UNIV ORONOCO OFFICE OF RESEARCH AND SPONSORED PROGRAMS
The full text of this report is available for sale.The primary goal is to upgrade an existing 200 MHz high-speed ADC test facility to obtain 20 GHz test and measurement capability. The modification is required to keep abreast of developing technology in ADC design, and in particular to support an ongoing effort in the ARPA HBT/ADC program to develop multi-GHz analog-to-digital converters. Also, innovative test methodologies are being developed to characterize and diagnose distortion mechanisms for state-of- the-art converters ...


ADC Test Support Program 31 OCT 94 31 pages
Authors:  Fred H. Irons; Donald M. Hummels; MAINE UNIV AT ORONO DEPT OF ELECTRICAL ENGINEERING
The full text of this report is available for sale.This report summarizes accomplishments made under Grant No.: NOOOl4-93-l-lOO7 for providing ADC Test Support to the ARPA HBT/ADC technology development program during the period of 1 Nov through 31 Oct 94. The following were accomplishments for this period. 1) Recruited and trained one graduate assistant to study ADC architectures and error modeling procedures. 2) Participated in the ARPA HBT/ADC design review on 26 Apr 94 and presented initial results relating ...


ADC Test Support Program 30 OCT 93 16 pages
Authors:  Fred H. Irons; Donald M. Hummels; MAINE UNIV AT ORONO
The full text of this report is available for sale.This report summarizes accomplishments made under Grant No.: N00014- 93-1-1007 for providing ADC Test Support to the ARPA HBT/ADC technology development program during the period of 1 Aug through 30 Oct 93. The following were accomplishments for this period. (1) Attended and participated in a planning meeting at the Mayo Foundation on 19 Jul 93 to discuss testing issues and develop an agenda for the September Workshop; (2) Attended and ...


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