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Question about MCU clk related signals


 

Erik,
? I have a question regarding the MCU clock related signals.? Why does the level of the signals appear to change when switching from 0 to 10 dB attenuation?

? ?MCU clk signals, 0dB attenuation.? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Same except 10 dB attenuation. Clk related signals ~10dB higher.
? ?? ??

? ?- Herb

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