650-W high-efficiency amplifier for 704 MHz
| Autor: | Frederick H. Raab |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Engineering
Power-added efficiency Switched-mode power supply business.industry Amplifier 020208 electrical & electronic engineering RF power amplifier Electrical engineering Power bandwidth 020206 networking & telecommunications 02 engineering and technology Splitter Current sense amplifier 0202 electrical engineering electronic engineering information engineering Electronic engineering Linear amplifier business |
| Zdroj: | 2016 IEEE MTT-S International Microwave Symposium (IMS). |
| DOI: | 10.1109/mwsym.2016.7540407 |
| Popis: | This RF-power module is a building block for a multi-kilowatt high-efficiency power amplifier system. The module employs five GaN-FET class-F RF power amplifiers with a low-loss Gysel splitter and combiner. Envelope Elimination and Restoration is used to maintain efficiency over a wide range of amplitudes. It achieves an efficiency of 79 percent for power outputs from 380 to 650 W, and an efficiency of 70 percent for all outputs above 90 W. The drive power is only 12 W. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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