Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Юго-Западный государственный университет" (ЮЗГУ) (RU)
发明人:
Томакова Римма Александровна (RU),Филист Сергей Алексеевич (RU),Кузьмин Александр Алексеевич (RU),Кузьмина Марина Николаевна (RU),Алексенко Виктор Александрович (RU),Волков Иван Иванович (RU)
申请号：
RU2012128471/14
公开号：
RU2012128471A
申请日:
2012.07.06
申请国别(地区):
RU
年份:
2014
代理人:
摘要：
Device for measuring the impedance of biological tissues, comprising a series-connected array of electrodes comprising N electrodes switching unit, outputs N signal inputs of which are connected to respective N electrodes of the electrode matrix, instrumentation amplifier, a second input coupled to the second output of the switching unit flow detectors multi-channel ADC, the first two analog inputs are connected to the respective outputs of the detector block a microcontroller, the first four outputs of which are connected to respective switching control unit inputs and the fifth output is connected to the fourth ADC input, and a computer, characterized in that it additionally introduced first digital to analog converter having an input connected to a sixth output of the microcontroller, and an output connected to the second input of the detector unit, the second digital to analog converter having an input connected to the seventh output of the microcontroller, and an output - to a third input of the detector unit, a power amplifier having an input connected to the output of the first digital to analog converter and the first output - to the first current input switching unit, and unit measurement of current, which input is connected to the second output of the power amplifier, the first output - to the second current input switching unit, the second output is connected to the third analog input multi-channel ADC and the switching unit includes two analog multiplexers and two analog demultiplexer, N analog inputs of each of the multiplexers connected to the respective N electrodes of the electrode matrix, and N analog outputs of each demultiplexer are connected to the respective N electrodes of the electrode matrix, the address inputs of each of two multiplexers and two demultiplexers connected respectively to the first four outputs of the microcontroller, the first output of the first multiplexer is connected to the first input tool amplifier, the output of the sec
