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Design techniques for radiation hardened-phase locked loops

Creator:: Nemmani, Anantha Nag
Abstract:: Spacecrafts experience radiation in the course of their operation and all electronic equipment on board these spacecrafts has to be designed to withstand the effects of this radiation. This thesis describes the effects of total ionization dose (TID) and single event transients (SET) in phase-locked loops - an important circuit...
Resource Type:: Masters Thesis
Full Text:: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 EFFECTS OF RADIATION ON PHASE-LOCKED LOOPS . . . . . . . . . . . . 3 2.1 Effect of total

Oscillators and phase locked loops for space radiation environments

Creator:: Vandepas, Martin
Abstract:: Circuits operating outside the earth’s atmosphere are more vulnerable to cosmic radiation and require special design consideration. The purpose of this work is to explore methods of mitigating the effect of radiation in phase locked loop (PLL) circuits. Several voltage controlled oscillators (VCOs) and two complete PLLs are designed and...
Resource Type:: Masters Thesis
Full Text:: mitigating the effect of radiation in phase locked loop (PLL) circuits. Several voltage controlled

Dose to the female breast from nuclear medicine and diagnostic radiology

Creator:: Patel, Aarti
Abstract:: There has been increased concern about radiation dose to the female breasts, with approximately 200,000 new breast cancers being diagnosed each year in the United States. The unprecedented increase in the use of radiologic exams on younger women has also raised some additional concerns about how procedures are performed. The...
Resource Type:: Masters Thesis
Full Text:: Patel for the degree of Master of Science in Radiation Health Physics presented on July 18,2008

The effects of gamma radiation on Cascade hop

Creator:: Getty, Brooke
Abstract:: This gamma irradiation study was conducted to establish an LD50 of the hop (Humulus lupulus L.) cultivar Cascade . The overall, long term goal is to generate replacement hop cultivars by inducing minor but significant DNA alterations with gamma radiation to improve agronomic quality without changing the brewing profile. The...
Resource Type:: Presentation
Full Text:: The Effects of Gamma Radiation on Cascade Hop By Brooke Getty Research

Ultraviolet radiation as an environmental stressor of amphibians

Creator:: Bancroft, Betsy A.
Abstract:: My thesis explored the effects of and potential mediating mechanisms for an important environmental stressor, ultraviolet-B (UVB) radiation. UVB radiation has negative effects on organisms in both terrestrial and aquatic systems. I used meta-analysis to quantify the effects of UVB radiation on a diversity of aquatic organisms (Chapter 2). UVB...
Resource Type:: Dissertation
Full Text:: radiation on survival ……………………………….. 57 2.3 The effect of UVB radiation on growth ………………………………… 58 2.4

The site of action of radio-lethal compounds on Micrococcus radiodurans

Creator:: Manes, Jasper Damon, Jr.
Abstract:: Iodoacetic acid and diphenylamine were used in this study to elucidate the mechanisms of resistance of Micrococcus radiodurans to radiation. This organism, a gram positive, non-spore forming, salmon-pink, tetracoccus has a LD₅₀ of 213,000 R when grown in the absence of radio-modifying agents. M. radiodurans, when grown in media containing...
Resource Type:: Masters Thesis
Full Text:: 2 Effect of Ultraviolet Light and X -rays on Micro- organisms 3 Modification of Radiation

A comparison of radiation induced lipid changes in Micrococcus radiodurans, Sarcina lutea, and Pseudomonas aeruginosa

Creator:: Ley, Ronald Douglas
Abstract:: Quantity variations in pigments and lipid classes were determined following γ-irradiation of Micrococcus radiodurans, Sarcina lutea, and Pseudomonas aeruginosa. Pigmentation was determined by extraction with organic solvents and measured as optical density at 475 mμ for M. radiodurans and S. lutea, and 410 mμ for Ps. E aetuginosa. Pigments of...
Resource Type:: Masters Thesis
Full Text:: effect of y- radiation on lipid classes of M. radiodurans, S. lutea, and Ps. aeruginosa. Quantitative

Reduction of microbial population of seafood by radiation pasteurization

Creator:: East, Dorothy May
Resource Type:: Masters Thesis
Full Text:: provide information on the usefulness of pasteurization radiation for fishery products. In this regard

Physiological studies on radiation resistant bacteria occurring in food

Creator:: Duggan, Dennis Edward
Resource Type:: Dissertation
Full Text:: Effecta on Matter • 5 Radiation Chemist17 • • • • • • • • • • • • • 7 Effects of Ionizing Radiati on

Formation and optical bleaching of color centers in X-rayed potassium chloride crystals

Creator:: Okamoto, Fumio
Resource Type:: Dissertation
Full Text:: second stage of coloration. There are several experi- ments which show the effect of impurities on the

ScholarsArchive@OSU

Design techniques for radiation hardened-phase locked loops

Oscillators and phase locked loops for space radiation environments

Dose to the female breast from nuclear medicine and diagnostic radiology

The effects of gamma radiation on Cascade hop

Ultraviolet radiation as an environmental stressor of amphibians

The site of action of radio-lethal compounds on Micrococcus radiodurans

A comparison of radiation induced lipid changes in Micrococcus radiodurans, Sarcina lutea, and Pseudomonas aeruginosa

Reduction of microbial population of seafood by radiation pasteurization

Physiological studies on radiation resistant bacteria occurring in food

Formation and optical bleaching of color centers in X-rayed potassium chloride crystals

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