Re: PIC Question (UPDATE)
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May have found it.? Relay S8 has continuity between Ground and the Common, NC and NO contacts when it is powered up and not powered up.? I have spare relays and will replace it. Bill
On Sunday, November 10, 2024 at 11:51:51 AM CST, Bill via groups.io <ko4nrbs@...> wrote:
we have a short, I think just at the entry of the AT.? What do you measure at unpowered AT between input jack center to ground? Continuity? Does it change, when powered up?? NO
Do you use the external bridge from 60dBm instead of the one on the PCB? Why?? Don't understand this.
I will start looking for the short and will let you know what I find.? It may take a while unless I get lucky.
Thanks again for your attention to my problem!!? It is much appreciated!!
Bill
On Sunday, November 10, 2024 at 11:39:35 AM CST, Immo, DL5KB <dl5kb@...> wrote:
hi Bill,
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we have a short, I think just at the entry of the AT.? What do you measure at unpowered AT between input jack center to ground?
Does it change, when powered up?
Do you use the external bridge from 60dBm instead of the one on the PCB? Why?
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The tuner inside your TX just adapts(?) to a short and reduces output power. Displayed power ist only the set power... even 10W :-)
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The 0,3Vss on scope equal 0.9mW at 50¦¸... (but on short all the generator can perform)
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Ok, if a short is existing, then it MUST be before the bridge or "in" the bridge. Search for it!
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73, Immo
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