1. Determine the R?value for the summing amplifier given below so that the output voltage is - 3V. R 4K +Vcc 4V 2 V 12K 2. a) Define the function of each opamp given below. b) Calculate V?. 18K 6K +Vcc -Voc 36K 6K +Vcc 2V ? 1 V 12K -Vcc 3V V 12K -Vcc
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Since the summing amplifier is an inverting amplifier, the input voltage at the inverting terminal is equal to the output voltage multiplied by the feedback resistor divided by the input resistor. In this case, the output voltage is -3V and the feedback resistor Show more…
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