in series with the gate or grid (see the Scott circuit below) thanks to diode conduction on signal peaks building up enough negative bias to limit amplification
NY Times. 1953 [2008-08-22]. (原始内容存档于2013-06-13). 1941 - Semiconductor diode rectifiers serve in WW II. Computer History Museum. [2008-08-22]. (原始内容存档于2008-09-24)