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AmplifierProblem-Slide12

Shown here are the symptoms for the second common problem. The engineer plugs a signal into the circuit turns on the power and the amplifier starts to act like a volcano and spills out smoke then the engineer is no longer getting the correct operation or voltages at the output. Additionally, higher input bias currents are now much larger than they are supposed to be according to the datasheet. The cause of this common problem is that most amplifier cannot accommodate voltages beyond the power supply rails.

PTM Published on: 2010-12-16