XPost: sci.electronics.design   
   From: fizzbintuesday@that-google-mail-domain.com   
      
   Terry Pinnell wrote:   
   >   
   > Thanks, but two extra monos seems a tad OTT? I was hesitating even   
   > about my second mono. Hopefully Clive's simple RC-derived suggestion   
   > will do the job when I get back to the workshop later this weekend.   
      
   In place of the 555s, not in addition to it!   
      
   Sure it's preferable to just add another RC when you've already built   
   it, but I was suggesting why I don't like to use the 555 in the first   
   place.  Because the 4538 responds to the edge and only to the edge and   
   doesn't care how long the pulse lasts, it wouldn't need an extra RC to   
   shorten the middle pulse.   
      
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