H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/02 (2006.01) H03F 1/34 (2006.01) H03F 3/21 (2006.01) H03F 3/217 (2006.01)
Patent
CA 2050819
ABSTRACT OF THE DISCLOSURE The disclosure relates to fast amplification circuits that are designed to provide an output current of some amperes, proportional to an input voltage, and have a frequency spectrum that may go beyond 1 MHz. A linear amplifier follows the fast variations in the input voltage and gives a load all the output current so long as this current is low. As soon as the output current from the linear amplifier reaches a given value, a chopper amplifier gives a current that causes a reduction in the output current of the linear amplifier. The circuit may be applied, in particular, to the control of deflection coils and as a high efficiency amplification circuit for audiofrequencies.
Lucas Jean-Christophe
Sontag Yves
Goudreau Gage Dubuc
Sextant Avionique
LandOfFree
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