Systems with components operable in low power modes

Systems with components operable in low power modes

A system comprises a first component operable in a plurality of modes coupled to a second component via an isolation circuit. The isolation circuit comprises a first diode coupled between a power supply of the first component and an output of the isolation circuit. The output of the isolation circui...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FLORES IGNACIO SOLER, ZHAO HUA, DOMINGUEZ SERGIO DE SANTIAGO
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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Beschreibung
Zusammenfassung:A system comprises a first component operable in a plurality of modes coupled to a second component via an isolation circuit. The isolation circuit comprises a first diode coupled between a power supply of the first component and an output of the isolation circuit. The output of the isolation circuit is coupled to the second component. The isolation circuit also comprises a first transistor the base of which is coupled to an output of the first component and one of the collector and emitter of which is coupled to the output of the isolation circuit. In a low power mode of the first component, parasitic supply from the output of the isolation circuit is blocked from the power supply of the first component and from the output of the first component by the first transistor and the first diode.