Level Instruction Drive Circuit

Published:2011/9/4 7:26:00 Author:Joyce | Keyword: Level , Instruction , Drive | From:SeekIC

As shown in the figure is the LB1405 / LB1415 level instruction drive circuit. Figure (a) is an application circuit of LB1405 / LB1415 used as volume instruction, and figure (b) is an application circuit of LB1405 / LB1415 used as dc level instruction. The corresponding closed-loop gain of figure (a) is R2 / R1.Adjusting the 10 kΩ potentiometer will get the point of 0 dB. In the circuit, five stick leds are used to indicate the level of input signal.



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