Radio Circuits, Repair & Performance

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IFR A-7550 memory battery location ?

Posted: 15 Oct 2019 05:14 PM PDT
https://forums.qrz.com/index.php?thr...cation.676916/



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Heath SB 303 smokes the Q511 & 112 transistors

Posted: 15 Oct 2019 05:09 PM PDT
https://forums.qrz.com/index.php?thr...istors.676892/



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Ten Tec Delta 580 reduced output problem

Posted: 15 Oct 2019 02:55 PM PDT
https://forums.qrz.com/index.php?thr...roblem.671626/



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ICOM IC-7000 not transmitting in 2 meters

Posted: 15 Oct 2019 02:00 PM PDT
https://forums.qrz.com/index.php?thr...meters.676809/



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Crystal Oscillator Design

Posted: 14 Oct 2019 07:09 PM PDT
https://forums.qrz.com/index.php?thr...design.676807/