Voltage / current and current / voltage conversion circuit composed of NJM4558

Published:2011/7/5 20:06:00 Author:Lucas | Keyword: Voltage / current, current / voltage , conversion | From:SeekIC

Figure 1-42 (a) is a voltage / current conversion circuit, and it can convert 0-lOV input voltage into 4-2OmA output current. Adjusting RP2 could make Ui = 0, I. = 2OmA; adjusting RP2 could make Ui = lOV, I. = 4mA. Figure 1-42 (b) is the current / voltage conversion circuit, which will convert the 4-2OmA current into -10 to + lOV output voltage. Adjusting RP1 could make the A1 output -2 to -lOV; adjusting RP3 could make the A2 output -10 to +10 V; adjusting RP1 could make the bias voltage of A2 in +6 V.



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