Human load impedance check out test set of electric excitation therapies equipment
The utility model provides a human load impedance check out test set of electric excitation therapies equipment belongs to the medical equipment field, including amplifier A1, amplifier A1's reverse input end links to each other through sampling resistor rs ground connection, amplifier A1'...
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creator | DENG GUANGHAO TANG YINXIANG |
description | The utility model provides a human load impedance check out test set of electric excitation therapies equipment belongs to the medical equipment field, including amplifier A1, amplifier A1's reverse input end links to each other through sampling resistor rs ground connection, amplifier A1's output and NMOS pipe N1's ground level, and amplifier A2's positive going input end and NMOS pipe N1's source stage link to each other, and amplifier A2's reverse input end and amplifier A2's output are connected, amplifier A2's output output current detection voltage. Through getting voltage on the currentsampling resistor of constant -current source circuit, amplify through high input impedance's amplifier circuit and obtain current detection voltage, current detection voltage that the utilization obtained is judged and is calculated with the mains voltage of electric current set voltage, current sampling resistor, constant -current source circuit, can obtain human load impedance's value. For themethod of the human load |
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Through getting voltage on the currentsampling resistor of constant -current source circuit, amplify through high input impedance's amplifier circuit and obtain current detection voltage, current detection voltage that the utilization obtained is judged and is calculated with the mains voltage of electric current set voltage, current sampling resistor, constant -current source circuit, can obtain human load impedance's value. 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Through getting voltage on the currentsampling resistor of constant -current source circuit, amplify through high input impedance's amplifier circuit and obtain current detection voltage, current detection voltage that the utilization obtained is judged and is calculated with the mains voltage of electric current set voltage, current sampling resistor, constant -current source circuit, can obtain human load impedance's value. 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Through getting voltage on the currentsampling resistor of constant -current source circuit, amplify through high input impedance's amplifier circuit and obtain current detection voltage, current detection voltage that the utilization obtained is judged and is calculated with the mains voltage of electric current set voltage, current sampling resistor, constant -current source circuit, can obtain human load impedance's value. For themethod of the human load</abstract><oa>free_for_read</oa></addata></record> |
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language | chi ; eng |
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subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
title | Human load impedance check out test set of electric excitation therapies equipment |
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