ULTRA LOW POWER HOMODYNE MOTION SENSOR

Power consumption in an oscillator formed of a chain of two inverters in series, with resistive feedback from the output of the first inverter to its input, and capacitive feedback from the output of the second inverter to the input of the first inverter is lowered by reducing the supply voltage to...

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Bibliographische Detailangaben
Hauptverfasser:	ROMERO CARLOS ENRIQUE, HAUGEN PETER CLIFFORD, DALLUM GREGORY ERNEST
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES BASIC ELECTRONIC CIRCUITRY DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS PULSE TECHNIQUE RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	Power consumption in an oscillator formed of a chain of two inverters in series, with resistive feedback from the output of the first inverter to its input, and capacitive feedback from the output of the second inverter to the input of the first inverter is lowered by reducing the supply voltage to the two inverters and reducing the voltage swing at the input to the first inverter. The supply voltage is reduced by adding one or more diodes, or other voltage reducing elements or means for reducing the voltage, between the power and ground rails of the power source and the power and ground inputs of the two inverters, and the voltage swing is reduced by selecting the feedback capacitor.