This PA has been designed by Sergey EX8MLE and uses a single NXP MRF300.
Please contact Sergey EX8MLE if you would like to buy an assembled PA or a PCB.
Sergey has also made a video of his latest PA.
Parameters
| Parameter | 50-54 MHz | 70-72 MHz |
|---|---|---|
| Vdd | 48 V | 48 V |
| Id | 8,13 A | 9,85 A |
| Pin | 3 W | 3 W |
| Pout | 300 W | 300 W |
| Efficiency | 76% | 63% |
| Class | AB | AB |
Circuit diagram
Spectrum
PCB
Input response
