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K
TS-520S transmit hum
KO4KL (originator) Sonwatcher and Beetle: When mic connector is removed from the radio in SSB mode receiving station still hears the hum so not in mic. The radio mic connector ground checked and OK. EDUK8TR: This radio has an internal power supply. Molecilo: I don't understand having a...- ko4kl
- Post #6
- Forum: Ham Equipment
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K
TS-520S transmit hum
Stations receiving my SSB signal detect hum. Removing the microphone from the radio did not fix it. I went to the CW mode and transmitted CW and no hum was heard by the receiving station. Since the hum is not there on CW I don't suspect the 800 volt (PA) or 300 volt (driver) supply filter...- ko4kl
- Thread
- Replies: 8
- Forum: Ham Equipment
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K
TS-520S transmit hum
Stations receiving my SSB signal detect hum. Removing the microphone from the radio did not fix it. I went to the CW mode and transmitted CW and no hum was heard by the receiving station. Since the hum is not there on CW I don't suspect the 800 volt (PA) or 300 volt (driver) supply filter...- ko4kl
- Thread
- Replies: 2
- Forum: General Ham Radio Discussion