Problem

The op amp in the circuit shown in Figure. 1 is ideal. The signal voltages υa and υb are 8...

The op amp in the circuit shown in Figure. 1 is ideal. The signal voltages υa and υb are 800 mV and 400 mV, respectively.

a) What circuit conFigureuration is shown in the Figure?
b) Calculate υoin volts.
c) Find la and lb in microamperes.
d) What are the weighting factors associated with υa and υb?

Figure. 1

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