Greater Gain Band Width in Trigger Circuits

Abstract

The relation between switching speed of a trigger circuit and the gain band width (GBW) of an amplifier is discussed. A special series connection of two tubes—referred to as a dynamic plate‐load amplifier (DPL)—is then presented and analyzed. A dc analysis shows that the DPL investigated has 18% of the output impedance, and 2.75 times the dc gain of a conventional amplifier. A transient analysis shows that the DPL may have 3 times the advantage in GBW over a conventional amplifier. This GBW improvement recommends its utilization in fast trigger circuits.