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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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At least 307 records · Page 17

All sources NASA NTRS DOE OSTI

NASA NTRS1965

Added diodes increase output of balanced mixer circuit

Two diodes added to a conventional balanced mixer circuit increase the output signal level. The resulting half-wave carrier switch balanced modulator is used in radio equipment.

Robinson, G. B.↗

NASA NTRS1965

Frequency discriminator with binary output eliminates tuned circuits

Frequency discriminator has a binary output and permits microminiaturized packaging techniques. It uses a bandpass amplifier and standard logic elements that convert two input frequencies into two discrete logic pulses.

De~velde, E.↗

NASA NTRS1965

Temperature transducer has high output, is time stable

Compact, lightweight temperature transducer requires no amplification of its output signal and is time stable. It uses the temperature-dependent characteristics of a silicon transistor to provide a zero-to-five-volt signal proportional to temperature.

Follett, W. H.↗

NASA NTRS1965

Optical output enhances flowmeter accuracy

Magnetic flowmeter with a direct-coupled optical output increases accuracy and operates independently of other system inputs. The design includes simple external adjustment and signal amplitude control.

Wolpin, E. G.↗

NASA NTRS1964

Note on the mean error and standard deviation in the output of a least square quadratic filter - case 20061-1

Equations for mean error and standard deviation in output of least squares quadratic filter - radar

LEAST SQUARES METHOD↗

NASA NTRS1965

Plane-level gives electrical output.

Photocell-mounted spirit level as two-axis surface level detector with DC output

PHOTOELECTRIC CELL↗

NASA NTRS1965

Double output sensor-transmitter.

Double output transistorized sensor-transmitter for measuring pressure and temperature

RADIO TRANSMITTER↗

NASA NTRS1966

Computer circuit calculates cardiac output

Electronic circuitry automatically calculates cardiac output. This computer is used for basic research in physiology and as a diagnostic instrument by doctors.

Mc Cullough, C. E.↗

NASA NTRS1966

Phase inverter provides variable reference push-pull output

Dual-transistor difference amplifier provides a push-pull output referenced to a dc potential which can be varied without affecting the signal levels. The amplifier is coupled with a feedback circuit which can vary the operating points of the transistors by equal amounts to provide the variable reference potentials.

Source record↗

NASA NTRS1966

Cold performance evaluation of a 6.02-inch radial inflow turbine designed for a 10-kilowatt shaft output Brayton cycle space power generation system

Cold argon and air performance of 6.02 inch radial inflow turbine designed for 10 kilowatt shaft output Brayton cycle space power generation system

POWER GENERATOR↗

NASA NTRS1965

Communication satellite output devices

Semiconductor devices, tunnel diodes, transistors, varactor diodes, vacuum tube amplifiers, triodes, klystrons, and traveling wave tubes for communication satellite output devices

VACUUM TUBE↗

NASA NTRS1965