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Re: SSB Calibration blown finals

 

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This is a 9 volt build. It is supplied through an LM338 regulator adjusted for 9 volts. The regulator input is from a 12 volt linear bench supply. The BS170s came from Mouser. They were mounted normally.

Tony
AD0VC

From: [email protected] <[email protected]> on behalf of Bruce Akhurst <bruce@...>
Sent: Monday, March 24, 2025 3:43 AM
To: [email protected] <[email protected]>
Subject: Re: [QRPLabs] SSB Calibration blown finals
?
Fascinating. ? ?Would be more so with :
supply voltages that blew them?
power outputs that blew them?
where the BS170’s came from?
how they were mounted?
别迟肠…?
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