A MAGNETIC CORE VOLTAGE-TO-FREQUENCY CONVERTER
Controlling the frequency of a square-loop magnetic core oscillator using a dc voltage to give a voltage-to-frequency conversion for use in pulse frequency modulated telemetry systems
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Results for “Voltage”
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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Efficient circuit triggers high-current, high-voltage pulses
Modified circuit uses diodes to effectively disconnect the charging resistors from the circuit during the discharge cycle. Result is an efficient parallel charging, high voltage pulse modulator with low voltage rating of components.
Green, E. D.↗
Field effect transistors used as voltage controlled resistors
Two new methods of incorporating field effect transistors into circuit designs have resulted in linear response of this type transistor over a wide range of controlled voltage levels. This increases its usefulness as a voltage-controlled resistor.
Source record↗
Pulse generator permits nondestructive testing of component breakdown voltage
Nondestructive testing of the breakdown voltage of transistors and other electronic components is achieved by a simple relay circuit. The circuit operates by applying low-energy, high-voltage microsecond pulses to the components under test.
Source record↗
Spherical electrode eliminates high-voltage breakdown
Spherical electrodes surrounding electrode-dielectric junctions eliminate high-voltage breakdown. The gap between the spherical electrode and the dielectric must be of an optimum size for proper operation. Modified, this electrode should be suitable as a high-voltage feedthrough between various liquid and gaseous media.
Finke, R. C.↗
Low voltage dc to dc converter-regulator with minimum external magnetic field disturbance first quarterly progress report, 1 jun. - 30 aug. 1964
Low voltage dc to high voltage dc converter - regulator with minimium external magnetic field disturbance for space power system application
POWER GENERATOR↗
Voltage regulator/amplifier is self-regulated
Signal modulated, self-regulating voltage regulator/amplifier controls the output b-plus voltage in modulated regulator systems. It uses self-oscillation with feedback to a control circuit with a discontinuous amplitude action feedback loop.
Day, W. E.↗
Planetary breakdown studies in the Avco/RAD High-Voltage Breakdown Laboratory
High voltage breakdown phenomena in planetary atmospheres - prediction of voltage breakdown of any antenna in any atmosphere
Haigh, W. B.↗
Voltage breakdown investigation in the Advanced Packaging Technology Group at Jet Propulsion Laboratory
Voltage breakdown phenomena - high voltage packaging techniques and test equipment
Bunker, E. R., Jr.↗
High-temperature, gas-filled ceramic rectifiers, thyratrons, and voltage-reference tubes
Thyratron, capable of being operated as a rectifier and a voltage-reference tube, was constructed and tested for 1000 hours at temperatures to 800 degrees C. With current levels at 15 amps and peak voltages of 2000 volts and frequencies at 6000 cps, tube efficiency was greater than 97 percent.
Baum, E. A.↗
Characteristics of composite carbon resistors used for measuring accelerator terminal voltages.
Voltage divider network board composed of composite carbon resistors for measurement of terminal voltage of 3 Mev Dynamitron electron accelerator recalibration
Gauntner, D. J.↗
Constant-voltage drive current-steering switch
Two-element voltage control system regulates a magnetic switch consisting of dual ferrite-core shift registers. The system has a magnetic, two-core-per-bit, voltage-controlled shift register.
Caplette, R. K.↗
Voltage regulator with multiple parallel power source sections
Voltage regulator provides improved voltage-regulating system in which power dissipation and consequent heat generation are minimized. Each power source section is controlled sequentially so that only one operates in a linear range at a time.
Binckley, W. G.↗
Composite metal-oxide device has voltage sensitive capacitance
Device with step function variation of the capacitance is useful for voltage-controlled oscillator circuits and as a voltage-sensitive switch. Simplicity of construction makes the device suitable for large-scale integration, microelectronic circuits.
Mattauch, R. J.↗
High voltage divider system Patent
High voltage divider system for attenuating high voltages to convenient levels suitable for introduction to measuring circuits
Mealy, G. E.↗
Voltage dropout sensor Patent
Device for monitoring voltage by generating signal when voltages drop below predetermined value
Houck, W. H.↗
Measurements and analysis of lightning-induced voltages in aircraft electrical circuits
Lightning induced voltages in aircraft wing structures, examining induced voltage across load impedances in electric circuits
Hacker, P. T.↗
Improved high voltage insulator for use in vacuum
High voltage insulator for electron bombardment ion thruster has electric field directed through dielectric material and electrons emitted by field emission are constrained in negative junction region. Surface flashover and unstable operation are eliminated, and maximum voltage is limited only by dielectric strength of material, aluminum oxide in this case.
Byers, D. C.↗