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Hi, thank you for your response. I intend on using the summed voltage as an input to a VCO. The external voltage is passed through a Potentiometer to kind of act as a phase shifter or control the frequency on what the VCO will output
Whats the best way to sum two voltages in design. I have two dc voltages, one from a low pass filter and another from an external control signal. Whats the best way to add these two voltagee before inputting them to a single pin?
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