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Groups > sci.electronics.design > #452581

Re: bad, better delay circuits

From "Tim Williams" <tiwill@seventransistorlabs.com>
Newsgroups sci.electronics.design
Subject Re: bad, better delay circuits
Date 2017-03-19 10:32 -0500
Organization A noiseless patient Spider
Message-ID <oam860$kf$1@dont-email.me> (permalink)
References <1roqcclua35sdrn6jduc9q0folr3fg8oqu@4ax.com> <oakakg$ars$1@dont-email.me> <o5grcchojd4qvdekiujn7qm31gos9bovol@4ax.com>

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"John Larkin" <jjlarkin@highlandtechnology.com> wrote in message 
news:o5grcchojd4qvdekiujn7qm31gos9bovol@4ax.com...
> It computes to 200 mV with a 22pF cap, but the channel is still
> conducting for part of the gate turn-off swing, so it will be even
> less. Needs a breadboard or a good Spice model to be sure.

Rohm provides a LEVEL=3 SPICE model.  No package parasitics.  Seems okay, 
but I haven't done detailed comparisons or anything.

They do seem to be ESD or temperature sensitive.  Between the small size and 
my loose ESD controls (namely, no antistatic mat and such), they're a bugger 
to hand solder reliably...

I think there are some dual MOSFETs of similar stature, too, which may be of 
interest to you.

Tim

-- 
Seven Transistor Labs, LLC
Electrical Engineering Consultation and Contract Design
Website: http://seventransistorlabs.com 

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Thread

bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-18 10:04 -0700
  Re: bad, better delay circuits Winfield Hill <hill@rowland.harvard.edu> - 2017-03-18 12:29 -0700
    Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-18 16:15 -0700
      Re: bad, better delay circuits Winfield Hill <hill@rowland.harvard.edu> - 2017-03-18 19:08 -0700
  Re: bad, better delay circuits "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-03-18 17:02 -0500
    Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-18 16:25 -0700
      Re: bad, better delay circuits rickman <gnuarm@gmail.com> - 2017-03-18 19:40 -0400
        Re: bad, better delay circuits dagmargoodboat@yahoo.com - 2017-03-19 10:42 -0700
          Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-19 15:37 -0700
            Re: bad, better delay circuits "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-03-19 22:24 -0500
              Re: bad, better delay circuits dagmargoodboat@yahoo.com - 2017-03-20 08:58 -0700
                Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-20 09:42 -0700
                Re: bad, better delay circuits Robert Baer <robertbaer@localnet.com> - 2017-03-20 23:55 -0800
                Re: bad, better delay circuits "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-03-21 00:46 -0500
              Re: bad, better delay circuits bill.sloman@ieee.org - 2017-03-21 22:54 -0700
                Re: bad, better delay circuits "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-03-22 02:10 -0500
          Re: bad, better delay circuits rickman <gnuarm@gmail.com> - 2017-03-19 18:47 -0400
            Re: bad, better delay circuits Clifford Heath <no.spam@please.net> - 2017-03-20 09:55 +1100
              Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-19 16:12 -0700
      Re: bad, better delay circuits "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-03-19 10:32 -0500
  Re: bad, better delay circuits Clifford Heath <no.spam@please.net> - 2017-03-19 13:36 +1100
    Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-18 19:44 -0700
      Re: bad, better delay circuits Clifford Heath <no.spam@please.net> - 2017-03-19 15:58 +1100
        Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-19 15:43 -0700
          Re: bad, better delay circuits Winfield Hill <hill@rowland.harvard.edu> - 2017-03-19 17:54 -0700
            Re: bad, better delay circuits Clifford Heath <no.spam@please.net> - 2017-03-20 12:44 +1100
              Re: bad, better delay circuits Winfield Hill <hill@rowland.harvard.edu> - 2017-03-20 12:22 -0700
                Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-20 15:49 -0700
  Re: bad, better delay circuits whit3rd <whit3rd@gmail.com> - 2017-03-18 23:51 -0700
    Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-19 08:22 -0700
  Re: bad, better delay circuits George Herold <gherold@teachspin.com> - 2017-03-20 17:55 -0700
  Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 08:54 -0700
    Re: bad, better delay circuits JM <dontreplytothis173@gmail.com> - 2017-03-22 16:02 +0000
      Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 09:47 -0700
    Re: bad, better delay circuits Winfield Hill <hill@rowland.harvard.edu> - 2017-03-22 10:31 -0700
      Re: bad, better delay circuits John Larkin <jjlarkin@highlandtechnology.com> - 2017-03-22 10:52 -0700

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