Global Power Amplifier Market Size study, by Product Audio Power Amplifier, Radio Power Amplifier), by Technology (Gallium Nitride (GaN), Gallium Arsenide (GaAs), Silicon Germanium (SiGe), Complementary Metal-Oxide Semiconductor (CMOS)), by Application (Audio Systems, Smartphones, Tablets and PCs & Laptops, Inverter & UPS, Industrial Systems, Others) and Regional Forecasts 2020-2027