Optimum Capacitor Charging Efficiency for Space Systems

Mostov, Philip M.; Neuringer, Joseph L.; Rigney, D.

doi:10.1109/jrproc.1961.287938

Cited by 6 publications

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“…The use of the intermediate voltage V cm can be considered as a special case of the optimum capacitor charging, previously considered in [10,11]. In [11], the optimum and quasi-optimum voltage shapes of the source were found to minimise the electric field work done in order to charge the capacitor.…”

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Two‐step reset method for energy‐efficient SAR ADC switching schemes

Osipov

Paul

2016

Electron. lett.

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The impact of the reset energy on the overall energy efficiency of an successive-approximation register (SAR) ADC is examined for some recently reported switching schemes. The reset energy can several times exceed the switching energy drawn from the reference during conversion. The simple method based on the optimal capacitor charging is proposed. By utilising of two-step switching during the reset phase, the total energy consumption of the DAC's capacitive matrix can be decreased by ∼20%.

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confidence: 99%

Two‐step reset method for energy‐efficient SAR ADC switching schemes

Osipov

Paul

2016

Electron. lett.

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Low power SAR ADC switching without the need of precise second reference

Osipov

Paul

2018

Analog Integr Circ Sig Process

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Electromagnetic Acceleration of a Plasma Slug

Mostov¹,

Neuringer²,

Rigney³

1961

The Physics of Fluids

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The slug model of a plasma accelerator is formulated and analyzed. The coupled nonlinear system equations involving seven parameters are transformed into a three-parameter set. The formulation includes as special cases Artsimovich's treatment, which neglects all system resistances, and Schock's treatment, which assumes negligible resistance of the accelerator electrodes. Small coupling, as well as small and large time asymptotic, solutions, which include the effect of variable rail resistance, are derived and compared with exact analog computations. In cases of practical concern, the small time solutions are valid well past the first maximum of the current discharge, bridging the gap left by Schock's approximate solution whose applicability is restricted to cases where the acceleration takes place over a number of cycles. Finally, it is shown how to optimize the efficiency of an accelerator through suitable adjustment of the system parameters.

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Optimum Capacitor Charging Efficiency for Space Systems

Cited by 6 publications

References 0 publications

Two‐step reset method for energy‐efficient SAR ADC switching schemes

Two‐step reset method for energy‐efficient SAR ADC switching schemes

Low power SAR ADC switching without the need of precise second reference

Electromagnetic Acceleration of a Plasma Slug

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