EE_210_lab_supplement_op_amp (1)

EE_210_lab_supplement_op_amp (1) - EE 210 Op Amps...

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EE 210 Op Amps Laboratory Supplement This supplement provides information on the op amp. The Op Amp The operational amplifier (op amp) was introduced in class for applications involving linear amplification. The schematic symbol of the op amp is shown in Figure 1. It includes three signal terminals: inverting input ( - ), non-inverting input ( + ), and output. There are also two power supply terminals: + V CC and – V EE . An op amp is usually implemented as an integrated circuit (IC) that contains over two-dozen transistors and a dozen resistors as shown in the detailed schematic on p. 2 of the LF412 Data Sheet. By using the so-called standard behavioral model of the op amp, however, no background is needed in transistor amplifier analysis to design and build circuits using this device. In particular, the input/output functionality of the op amp can be modeled using this model, which is shown in Figure 2. Moreover, with the assumption of an ideal op amp and negative feedback
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