グリッドバイアスMeanings1noungrid biasTechnical term in electronics: the DC voltage applied to the control grid of a vacuum tube to set its operating point.真しん空くう管かん回かい路ろでは、グリッドバイアスを適てき切せつに設せっ定ていする必ひつ要ようがある。In vacuum tube circuits, it is necessary to set the grid bias appropriately.