NASR-M board bring-up, TCXO adventures II

Yesterday’s TCXO drama was resolved in a more elegant way than surgery. I have always been a fan of conservative treatment, and decided to try one last option before attempting rework. That option was an AC termination of the TCXO’s signal. The datasheet doesn’t explicitly mention single-ended AC termination of the reference input, so it’s kind of a gray area, but it’s perfectly fine for…