Reconfigurable High Frequency Class S Power Amplifier Demonstrator
Dooley, John and Corley, Gerry and Podsiadlik, Tomasz and Farrell, Ronan (2011) Reconfigurable High Frequency Class S Power Amplifier Demonstrator. In: Integrated Nonlinear Microwave and Millimetre-Wave Circuits (INMMMIC 2012), 18th - 19th April, 2011, Vienna, Austria.
This paper presents an end-to-end high frequency class S power amplifier. A description of the full testbench and some important points on generation of RF outputs from FPGA devices and current mode class D design are given. Experimental measurements are provided for the prototype PA consisting of a signal generator, analog to digital converter, driver circuit, current mode class D switching stage and bandpass filter. Theory and experimentally measured results for this prototype are presented for a multi tone signal centred at 930 MHz and with a total output power of 24.7dBm.
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