Integrated operational amplifier drives the power amplifier OCL

  

Posted on Nov 10, 2015    3449

When the power supply circuit, if taken as 15V, 10W power load available on. The main difference


Integrated operational amplifier drives the power amplifier OCL - schematic

between the two circuits Example: (A) by replacing the integrated operational amplifier driving circuit discrete components. (B) with D1 ~ D3 prevail complementary circuits set quiescent point, overcome crossover distortion. (C) introducing voltage series negative feedback (via R3) stable operating point and magnification, reducing distortion.




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