[Diy_efi] Re: new EFI controller

Alexei Pavlov alexis.pavlov at st.com
Wed Mar 12 16:51:14 GMT 2003


> Anyway, I cannot find a reason to connect T3 collector
> to GND instead of 12 V.

The reason could be that you drive a current through the power
supply which is not ideal and has internal impendance. So
you'll have voltage drop on supply, which will induce additional
noise in an already noisy system.

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