Those changes (or an alternate) were included with the updated K3 DSP board. They are present in all K3s sine the release of the DSP board update.
73, Don W3FPR On 6/27/2016 10:19 AM, Ignacy wrote:
If you read old messages, there is a message by a Russian who looked at initial IMD level (very high) and documented improvements by adding large capacitors in several places.
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