| 摘要 |
Solution consists of two operational amplifiers (2, 5) in DIDO connecting and its basic is creation of bias voltage by means of current sources, at which into inverting input of first operational amplifier (2) is connected one current source (10) and into inverting input of second operation amplifiers (5) is connected second complementary current source (11), and both current sources (10, 11) are by their own second terminals galvanic connected with common conductor of operational amplifiers (2, 5) supply.
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