SATURATION CIRCUIT
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专利名称：SATURATION CIRCUIT
发明人：SAKURAI TOSHIYUKI,KOTANI FUMIO 申请号：JP1615282
申请日：19820201
公开号：JPS58133018A
公开日：
19830808
专利内容由知识产权出版社提供
摘要：PURPOSE:To vary freely the control value of an output, by comparing the output of an operational amplifier with the variable control value. CONSTITUTION:When output voltage VO5 is lower than the control voltage VX of a variable power supply 10, an operational amplifier 13 compares both voltages with each other. As a result, the amplifier 13 delivers the negative output. This negative voltage is, however, cut off by a diode 14 and gives no effect at all to a feedback circuit of an operational amplifier 4. Therefore, the amplifier 4 functions as an operational amplifying circuit with a fixed amplification factor -A that is decided by resistances 2 and 3. The amplifier 13 also compares above-mentioned two voltages when the voltage VO5 is higher than the voltage VX. Then the amplifier 13 delivers the positive voltage. In this case, the diode 14 conducts and the output of the diode 14 is added to the amplifier 14. Thus the amplifier 4 delivers the voltage VO5 equal to the voltage VX since the output of the amplifier 4 is going to be negative.
申请人：MITSUBISHI DENKI KK
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