Injectors and resistors (and i'm back)

Gregory A. Parmer gparmer at acesag.auburn.edu
Tue Nov 24 04:55:36 GMT 1998


> What about EMI when you shut off the inductive load... use the body diode of
> the FET to catch the spike?... if so what voltage?  How about an RC snubber
> across the injector... or is EMI not a problem (maybe inductance is low?)

Check out the schematics for using the Nat'l Semi LM1949 Inj Driver
Cntrlr. It's a PDF file available from www.nsc.com. It uses a 50V zener,
AIR..this for driving the std 4-1 peak and hold injector..ala GM TBI.

-greg





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