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???
06/10/08 16:40
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 		 #155689 - Expensive capacitors?
Responding to: ???'s previous message
Erik,

What type of 100nF capacitors have a resonance above 1.8GHz?

Cheap ceramic COG or NPO capacitors don't.

List of 42 messages in thread
TopicAuthorDate
Input Protection            01/01/70 00:00      
   I use a series resistor            01/01/70 00:00      
      I like clamps ...            01/01/70 00:00      
         I would not use a \'S\' chip            01/01/70 00:00      
            It's just an array of schottky diodes, Erik            01/01/70 00:00      
               Resistors and cap            01/01/70 00:00      
                  why the slowpoke            01/01/70 00:00      
                     the technology will still work in this case            01/01/70 00:00      
                        stupid boss            01/01/70 00:00      
                           ... or stupid Erik, maybe?            01/01/70 00:00      
                              I did NOT say "stupid engineer"            01/01/70 00:00      
                                 now, don't get me wrong here ...            01/01/70 00:00      
                                    a typical result of a stupid boss            01/01/70 00:00      
               well the 74S had me since ....            01/01/70 00:00      
                  Yes, it indicates the process technology            01/01/70 00:00      
                     HEF4021            01/01/70 00:00      
                        Anyhow the major setback using 40xx            01/01/70 00:00      
                           This is entirely wrong!            01/01/70 00:00      
                        No, not better, but different            01/01/70 00:00      
      Adding another cap            01/01/70 00:00      
         I do not think so, but it will wear the switch            01/01/70 00:00      
         Immunity against what?            01/01/70 00:00      
   No, just a business decision ...            01/01/70 00:00      
      Uhm...            01/01/70 00:00      
         all 40xx chips are based on the same technology ..            01/01/70 00:00      
         if the RC before the PISO doesn't do it ...            01/01/70 00:00      
            Values            01/01/70 00:00      
               I do not know why ...            01/01/70 00:00      
                  Values..            01/01/70 00:00      
                     like this            01/01/70 00:00      
                     Caps and RF immunity            01/01/70 00:00      
                        true - and not            01/01/70 00:00      
                           Expensive capacitors?            01/01/70 00:00      
            BALDERDASH            01/01/70 00:00      
               the PISO register is loaded only once ...            01/01/70 00:00      
                  I hav no desire to look up 40xx chips, but ..            01/01/70 00:00      
                     If there's nothing pressing ...            01/01/70 00:00      
                        Setup            01/01/70 00:00      
                           overdoing it            01/01/70 00:00      
                           That just might be adeuqate ...            01/01/70 00:00      
                              Switches            01/01/70 00:00      
                                 IF you choose the right rate ... and IF you check            01/01/70 00:00      

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