Re: U1 fried
Re-read this post: https://groups.io/g/BITX20/message/42723toggle quoted message. . .
Adding a series 8 ohm 1/2 watt resistor between the uBitx board and your phone jack should
safely prevent any damage, though it will reduce the maximum available audio.
Could be that 4 ohms is sufficient.
On Wed, Feb 28, 2018 at 10:49 am, Walter wrote:
So what is the universal fix? if a mono jack is plugged into a stereo jack on another electronic device it does not destroy the audio output of those devices.