SSB Average Speech Power
KX3 at 10W
|
Using 6s DVR recording of fast spoken words.
Ignoring DL1 Diode voltage loss PEP DL1=15.3V PeP=9.4W DL1 Vrms value is three measurement average. | ||||
|---|---|---|---|---|
| Compression | DL1 Vrms | Pav W | Pav/Pep dB | Gain dB |
| 0 | 5.24 | 1.1 | -9.3 | 0 |
| 10 | 5.58 | 1.2 | -8.8 | 0.55 |
| 20 | 6.07 | 1.5 | -8.1 | 1.2 |
| 30 | 6.45 | 1.7 | -7.5 | 1.8 |
Gigol DS1102E
Example Scope Shot with Compression = 10
KX3 at 10W DL1 and KX3 TX Audio Monitor
|
Same DVR recording as above
Ignoring DL1 Diode voltage loss Compression = 0 | ||||
|---|---|---|---|---|
| Scope Channel | Vrms | Vp | Vrms/Vp dB | |
| 1 DL1 | 4.68 | 15.7 | -10.5 | |
| 2 KX3 Monitor | 79.2m | 360m | -13.2 | |
Gigol DS1102E Scope Shot
|
Short DVR recording of single long word
Ignoring DL1 Diode voltage loss Compression = 0 | ||||
|---|---|---|---|---|
| Scope Channel | Vrms | Vp | Vrms/Vp dB | |
| 1 DL1 | 3.76 | 16.1 | -12.6 | |
| 2 KX3 Monitor | 86.5m | 352m | -12.2 | |
Gigol DS1102E Scope Shot
DL1 Setup
