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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Nonlinear analog-to-digital converter measures the analog input level and continuously adjusts the digital readout scale sensitivity to effectively increase the accuracy. It is able to acquire more accurate low-level data.
Low-power analog-to-digital converter for digital voltage readout
Low power, low level analog-to-digital converter for space vehicle applications
Eight-bit analog-to-digital converter decreases average power consumption and increases component reliability. The converter uses solid-state components in pulse operation and magnetic core components for minimizing power consumption. The magnetic core components also increase reliability.
An analog to digital converter circuit arrangement is reported that is suitable for use in ultra fast pulse height analysis. The circuit uses series connected tunnel diodes to quantize a voltage signal into discrete levels.
Development, fabrication, and testing of microelectronic analog-to-digital converter
Circuits used in analog-to-digital converter designed for satellite application
High speed analog-to-digital converters compared using redundancy encoding techniques
Analog-to-digital converter-pulse height analyzer for data reduction from balloon measurements
Analog-to-digital encoding system for slow-scan video data processing on Mars spacecraft
Analog-to-digital and digital-to-analog converters for digital control system simulation
Data processing of EEG and multiple peripheral psychophysiological measurements with special purpose analog-to-digital conversion unit
On line analog-to-digital data processing system for static rocket test firing
Analog-digital conversion of TV video data on Mariner IV, noting ground loop effect on encoding
Digital transducers and digital compatibility - analog-to-digital conversion techniques
System feasibility testing of analog voltage to duty cycle generator, and production process for thin film tantalum resistors
Water vapor absorption spectra in submillimeter wave region, analog-to-digital conversion and recording system, and carbon dioxide laser construction