R.F. Feedback issue
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| Feb 1st 2016, 14:20 | |
KI3TTotal Topics: 0 Total Posts: 0 |
When transmitting digital modes, my software immediately freezes, and the transmitter switches to recieve. This only happens above 20 watts, and only on 20 meters. Ive not dealt with RF issues before so any suggestions would be greatly appreciated. Thanks. John. KI3T |
| Feb 1st 2016, 15:54 | |
W1VTSuper Moderator Total Topics: 0 Total Posts: 0 |
You may need to decouple the wires attached to the computer. I've used large FT-240-43 toroids--10 turns should work OK on 20 meters. If the wires are thin you can wrap several wires around the same toroid. Zack W1VT ARRL Senior Lab Engineer |
| Feb 4th 2016, 01:03 | |
wa1zjlTotal Topics: 0 Total Posts: 0 |
Another fix is .01 mf disc ceramics across the audio lines. (hi to ground) WA1ZJL |
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