Tag Archive: usb

Apr 07

Modifying the BITX40 for Upper Sideband

These are the capacitors to remove, c91 and c92

Because some digital modes require Upper SideBand (USB) to work properly, many people have been wondering how to get the BITX40 on Upper Sideband. Well, I’m here to show you- it’s pretty easy! First, we need to understand that to get the BITX40 on Upper Sideband, we just want to change from a negative offset …

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