BITX20@groups.io

Home Messages Hashtags Wiki

Note: groups.io will be down for maintenance this evening, starting at 2AM Pacific Time (9AM Friday 10/17/2019 UTC), for up to two hours.

Tools

Collapse Topics

Exclude Signatures

Clear

#teensy

Relevance · Date 1 - 2 of 2

Between

and

uBITX + Teensy audio interface - ground loops (?), RX/TX audio bleed? 10 #teensy #ubitx

So! An update! I have found 3 ways I can make the hum go away. Any of these on their own appear to work: (1 and 2 are with just the Teensy USB plugged in) (1) Unplug the laptop from it's power supply.

By Rob French (KC4UPR) ·

#teensy #ubitx

Understanding ground isolation 4 #ubitx #teensy #filters

Hi Rob, No problems. Ok for the regulator, that should work just fine. Regarding the place to insert the Teensy, here are my thoughts: If you have an AGC then before the volume control as you mentione

By John (vk2eta) ·

#ubitx #teensy #filters

1 - 2 of 2