Digital signal acquiring circuit

The present invention relates to a digital signal acquisition circuit. Said digital signal acquisition circuit includes first input end and second input end which are connected with switch to be used for acquiring digital signal, a power supply, a first change-over switch and a second change-over sw...

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1. Verfasser: LIANYAN,CAI CAI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to a digital signal acquisition circuit. Said digital signal acquisition circuit includes first input end and second input end which are connected with switch to be used for acquiring digital signal, a power supply, a first change-over switch and a second change-over switch. Said invention provides their connection mode and working principle of said circuit, and can respectively implement acquisition of passive switch and active switch signals.