Power amplifier

  
For most applications, the available power from op amps is sufficient. There are times when more power handling capability is necessary. A simple power booster capable of driving moderate loads uses an NE5535 device. Other amplifiers may be substituted only if Rl values are changed because of the Icc current required by the amplifier.
Power amplifier  - schematic

R1 should be calculated from the expression.




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