H - Electricity – 03 – F
Patent
H - Electricity
03
F
330/12, 330/17,
H03F 3/217 (2006.01) H03F 3/16 (2006.01)
Patent
CA 2037375
RD-19,197 DRIVER FOR A HIGH EFFICIENCY, HIGH FREQUENCY CLASS-D POWER AMPLIFIER A driver circuit for a voltage-switching, high frequency Class-D power amplifier provides an input sinewave power signal and controls the transition time between switching the two active devices thereof, resulting in substantially lossless switching. The transition time is optimized by controlling the amplitude of the voltage signals at the inputs of the two active devices, depending on the output capacitance of the switching devices, the threshold voltage of the switching devices, the power output requirement, and the impedance of the resonant load network of the Class-D power amplifier.
El-Hamamsy Sayed-Amr Ahmes
Jernakoff George
Company General Electric
Craig Wilson And Company
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