Integrated operational amplifier drives the power amplifier OCL

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

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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