Intro
I try to fix a HARDROCK-50 amplifier, which a fellow HAM bought second hand but it didn't really work.
2023-11-26
Measurements
| HR-50 | FW 4.0E + HW G | |
| DC Bias 150mA per PA FET @ 13,1VDC | ||
| Powermeter | R&S URV5 + URV5-Z4 | |
| Dummy-Load | 100W Weinschel 6.5GHz | |
| Transmitter | KX3@1W |
Spectrum
| HR-50 | FW 4.0E + HW G | |
| DC Bias 150mA per PA FET @ 13,1VDC | ||
| Analyser | SIGLENT SSA3021x | |
| Dummy-Load |
100W Weinschel 6.5GHz -40dB 10dB Pad @ 6GHz |
|
| Transmitter | KX3@1W |
| Band | Without PA | With PA |
|---|---|---|
| 80m |  |
 |
| 40m |  |
 |
| 30m |  |
 |
| 20m |  |
 |
| 15m |  |
 |
| 10m |  |
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