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Electronic circuits and components * Course Index * Introduction * About the Author * About this Course * Feedback * Course Navigation * How to use this Course * TINA * Locktronics

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Active Circuits * Introduction: Active Circuits * Power Supply Circuits * Operational Amplifier Circuits ## Symbols and Signal Connections ##

Power Supply Connections ## Dual Supply Configurations ## Voltage Gain ## Worksheet: Voltage Gain ## Input Resistance ## Output Resistance ## Input Offset Voltage ## Inverting Amplifier ## Worksheet: Inverting Amplifier ## Non-inverting Amplifier ## Worksheet: Non-inverting Amplifier ## Differential Amplifier ## Worksheet: Differential Amplifier ## Direct Coupled Amplifier ## Worksheet: Direct Coupled Amplifier * Transistor Amplifier Circuits * 555 Timer Circuits * Assessment: Active Circuits

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OperationalAmplifierCircuits /

Power Supply Connections

<^< Symbols and Signal Connections | Course Index | Dual Supply Configurations >^>(:nl:)

Most (but not all) operational amplifiers require a symmetrical supply of typically between ±5V and ±15V. This allows the output voltage produced by the amplifier to swing both positive (above 0V) and negative (below 0V). Note that, to keep things simple, power supply connections are not always shown on circuit diagrams.

The maximum output voltage swing is usually within about 0.1V or 0.2V of the supply rail voltages. (:nl:)(:table style="clear:both":)

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Page last modified on July 25, 2011, at 01:52 PM