| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic circuit capable of easily detecting the occurrence of abnormality by the failure of the prescribed element of the electronic circuit comprising a plurality of elements. Ž<P>SOLUTION: The gate voltage value of a first amplifying element 2 is converted to a digital value by an A/D converter 23 connected to the connection point of a resistor 21 and a resistor 22 and is inputted to a control part 27, and also the gate voltage value of a second amplifying element 5 is converted to the digital value by an A/D converter 26 connected to the connection point of a resistor 24 and a resistor 25 and is inputted to the control part 27. On the basis of an instruction command from a personal computer terminal 28 connected to the control part 27, the gate voltage value of the first amplifying element 2 and the gate voltage value of the second amplifying element 5 inputted to the control part 27 are displayed on the screen of the personal computer terminal 28. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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