In electronics, high impedance means that a point in a circuit (a node) allows a relatively small amount of current through. High impedance circuits are low current, high voltage, whereas low impedance circuits are the opposite.
Read more about High Impedance: Digital Electronics, Analog Electronics
Famous quotes containing the word high:
“How high they build hospitals!
Lighted cliffs, against dawns
Of days people will die on.”
—Philip Larkin (1922–1986)