Oscilloscope: DC Coupling for DC Measurements, AC Coupling for AC Measurements?
1. Core Differences Between DC Coupling and AC Coupling 1. DC Coupling Operating Principle: The signal (including both DC and AC components) is directly input to the oscilloscope without filtering. Characteristics: Completely retains the DC offset of the signal (such as static voltage) and AC fluctuations (such as ripple). Displays absolute voltage values (e.g., 5V … Read more