| 摘要 |
PROBLEM TO BE SOLVED: To provide a constant voltage output device which can freely obtain the optional output voltage. SOLUTION: This constant voltage output device consists of a power supply Vcc 1 which supplies the optional voltage and the 1st and 2nd variable resistances 2 and 3 which serve as two independent variable resistance elements. The optional voltage supplied from the supply l is divided by the resistances 2 and 3, and the constant voltage Vcont4 is outputted. the voltage Vcont4 is defined as Vcont4=(Rv2/(Rv1+Rv2))×Vcc when the resistance value of both resistances 2 and 3 are referred to as Rv1 and Rv2 respectively. In such a constitution, the optional output voltage can be freely obtained.
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