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Re: Newbie pummer question (BEP Pummer)

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  • Vic Lewis
    Grant, I would be happy to send you both the AC that I couldn t get to work, and the HCT that does seem to work. Vic
    Message 1 of 10 , Jun 29, 2009
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      Grant,
      I would be happy to send you both the 'AC" that I couldn't get to work, and the 'HCT' that does seem to work.

      Vic


      Vic--- In beam@yahoogroups.com, "GrantM." <listgrant@...> wrote:
      >
      > Bill,
      >
      > Unfortunately I don't have any of the non-working IC's here or I could
      > do some tests. It would be useful to measure the input leakage current
      > and the voltage clamp range of both working and no-working IC's. Also of
      > interest would be input hysteresis (there should be next to none) and
      > high/low switching voltage.
      >
      > I have a pummer circuit that uses a HC14 that should work across any IC
      > manufacture.
      >
      > GrantM.
      >
      > > Grant,
      > >
      > > Do you have any idea about why some IC's don't work in bicore circuits?
      > > BEAM circuits often operate way outside the chip designers intended use
      > > envelope. Perhaps there is a difference in the parasitic diodes between
      > > the inputs and power rails?
      > >
      > > Thanks,
      > >
      > > Bill
      >
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