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Hi Guys,
I emailed Mr DTB Radio and he offered advice to what the issue was at no charge.
What a fantastic honest guy!
And the problem was RF PA bias. Someone had been fiddling. The adjustment has been made and I am so grateful to the forum and suggestions.
Chris.
Hi Guys,
I have purchased a pre loved 98 VHP ( With the 8x Mosfets RFPA) a few days ago and just curious about it's DC current requirements. I run the 98 on a big switch mode power supply and I note.... With no audio supplied and key the transmitter on SSB, I have a current draw of around 14-16...
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