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???
05/29/06 06:30
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 		 #117212 - Worst Case signal
Responding to: ???'s previous message
Here is what I would consider as the worst case signal that I'll need to provide. Keep in mind that this is repetitive bursts of pulses and it's not changing on the fly:

Number of Pulses = 50 +- 0
Pulse Width = 200ns +- 5ns
rise\fall time = 20ns +- 10ns
"burst width" (repitition rate) = 30ms

All the other signals are slower combined with more tolerance.

List of 26 messages in thread
TopicAuthorDate
Driving fast signals (4Mhz) requirements            01/01/70 00:00      
   How about some more detail ... ???            01/01/70 00:00      
      Worst Case signal            01/01/70 00:00      
         200ns =5Mhz            01/01/70 00:00      
            well, maybe not ...            01/01/70 00:00      
            Too slow + Tolerances?            01/01/70 00:00      
               yes,the one clock 8052 derivatives            01/01/70 00:00      
                  one clock do not forget who was there fi            01/01/70 00:00      
                     When were they "there?"            01/01/70 00:00      
                        about 5 years ago            01/01/70 00:00      
                           Just for your amazement ...            01/01/70 00:00      
                              I posted at SILabs ....            01/01/70 00:00      
                              Not sure ...            01/01/70 00:00      
               burst pulses...            01/01/70 00:00      
                  Gotcha but...            01/01/70 00:00      
                     look at a schematic            01/01/70 00:00      
                        FAST for standard 8051            01/01/70 00:00      
                           for the standard part, maybe            01/01/70 00:00      
   What are the pulses for?            01/01/70 00:00      
      Driving magnetic induction coil            01/01/70 00:00      
         WHAT???            01/01/70 00:00      
            You get what you ask for!!!            01/01/70 00:00      
               Is that so ... ?            01/01/70 00:00      
               Of course, but...            01/01/70 00:00      
                  Got me thinking...            01/01/70 00:00      
   PCA in a F12x can be clocked with 100MHz            01/01/70 00:00      

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