A term applied to an electronic device or circuit that contains four(identical) circuit units;(a quad inverter;a quad amplifier).
A term applied to an electronic device or circuit that contains four(identical) circuit units;(a quad inverter;a quad amplifier).
用于包含四个（恒等）电路单元的电子器件或电路的一种术语（“四元组反相器”、“四元组放大器”）。