摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that, if an overcurrent detecting resistor is built in a hybrid integration circuit, an overcurrent protection level is uniformly decided, and multiple hybrid integrated circuits are required to be prepared according to overcurrent protection levels, requiring multiple types. <P>SOLUTION: An overcurrent detecting resistor Rs is built in a hybrid integrated circuit board. A detection voltage from the overcurrent detecting resistor Rs is divided by divider resistors R<SB>1</SB>and R<SB>2</SB>, which is compared to a reference voltage at an overcurrent detection circuit for protection against an overcurrent. One of the dividing resistors R<SB>1</SB>and R<SB>2</SB>is connected in series or parallel to an external resistor to change a division rate, thus an overcurrent protection level can be adjusted. <P>COPYRIGHT: (C)2004,JPO |