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Constant Conduction Angle Experimental Generation For Rf Power Amplifiers, Michael Spahn
Constant Conduction Angle Experimental Generation For Rf Power Amplifiers, Michael Spahn
Electrical Engineering
As the demand for more devices to become wireless increases, there is a need for linear, efficient monolithic power amplifiers to deal with the variations in modulation of signals. With partial support from Cal Poly C3RP Grant #52268, this paper explains the implementation of and analyzes a circuit that actively biases a bipolar transistor to operate as a Class C amplifier. The Class C amplifier can maintain constant conduction angle over a range of output powers by using a Class B amplifier to force a scaled DC current vs. input magnitude curve on to a Class C amplifier. The knee …