Positive and negative voltage self-adaptive sampling circuit
The invention provides a positive and negative voltage self-adaptive sampling circuit, which comprises a power supply voltage detection circuit, a first end of the power supply voltage detection circuit is electrically connected with a positive electrode end of a power supply, and a second end of th...
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| creator | CAO LUNWU HE LONG ZHOU BINTENG HUANG SONGREN |
| description | The invention provides a positive and negative voltage self-adaptive sampling circuit, which comprises a power supply voltage detection circuit, a first end of the power supply voltage detection circuit is electrically connected with a positive electrode end of a power supply, and a second end of the power supply voltage detection circuit is electrically connected with a negative electrode end ofthe power supply, the power supply voltage detection circuit comprises a positive low-voltage-to-high-voltage level transfer circuit; a sampling switch control circuit, wherein the first end of the sampling switch control circuit is electrically connected with the third end of the power supply voltage detection circuit, and the sampling switch control circuit comprises a positive low-voltage to negative high-voltage level transfer circuit, a positive low-voltage to positive high-voltage level transfer circuit and a controlled selection circuit. The circuit can automatically operate, can automatically detect the power |
| format | Patent |
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| language | chi ; eng |
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| subjects | BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING DECODING ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Positive and negative voltage self-adaptive sampling circuit |
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