H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/00 (2006.01) G10G 7/00 (2006.01) G10H 1/16 (2006.01) G10H 3/18 (2006.01) H03F 1/32 (2006.01) H03G 7/06 (2006.01)
Patent
CA 2139717
A multi-stage solid state amplifier emulates the distortion associated with grid current flow in a multi-stage tube amplifier by means of a clipping device in the circuit between each series connected stage. In a particular embodiment, each stage includes a field effect transistor (FET) and the clipping device is a diode. In another embodiment, each stage includes a Darlington connected pair of transistors. An input diode and a multilevel biasing circuit emulates a tube circuit input.
Amplificateur à semiconducteurs multi-étagé, émulant la distorsion associée à la circulation d'un courant de grille dans un amplificateur à tube multi-étagé au moyen d'un dispositif d'écrêtage monté entre chaque étage série. Dans une version particulière, chaque étage comprend un transistor à effet de champ (FET) et le dispositif d'écrêtage est une diode. Dans une autre version, chaque étage comprend une paire de transistors connectés en un montage Darlington. Une diode d'entrée et un circuit de polarisation multiniveau émulent une entrée de circuit de tube.
Brown James W. SR.
Sondermeyer Jack C.
Finlayson & Singlehurst
Peavey Electronics Corporation
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