INTEGRATED CIRCUITS AND TRANSPONDER CIRCUITRY WITH SHARED MODULATION CAPACITOR

Disclosed examples include multichannel RF transponder circuits with multiple transponder channel circuits individually connected to a corresponding antenna circuit, a configurable shared modulation capacitor, a channel switching circuit to selectively connect the modulation capacitor to a selected...

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Bibliographische Detailangaben
1. Verfasser:	MUELLNER, Ernst, Georg
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATING RANDOM NUMBERS HANDLING RECORD CARRIERS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS PRESENTATION OF DATA RADIO DIRECTION-FINDING RADIO NAVIGATION RECOGNITION OF DATA RECORD CARRIERS REGISTERING OR INDICATING THE WORKING OF MACHINES SIGNALLING TESTING TIME OR ATTENDANCE REGISTERS TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS VOTING OR LOTTERY APPARATUS
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Beschreibung
Zusammenfassung:	Disclosed examples include multichannel RF transponder circuits with multiple transponder channel circuits individually connected to a corresponding antenna circuit, a configurable shared modulation capacitor, a channel switching circuit to selectively connect the modulation capacitor to a selected transponder channel circuit, and a modulation circuit to selectively change the capacitance value of the modulation capacitor between two or more values according to a modulation control signal to transmit uplink data using the selected transponder channel circuit.