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???
04/27/07 01:47
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 		 #138070 - Capacitor size
Responding to: ???'s previous message
If you have problems, try reducing the capacitor size to 22 pf. The crystals like to see 30 pf, but you have to take into account the stray capacitance of your PC board, socket, switch, and extra crystal.

List of 31 messages in thread
TopicAuthorDate
two crystals            01/01/70 00:00      
   Crystal connections            01/01/70 00:00      
      wires very very short            01/01/70 00:00      
         Youd be better off with a pair of DIY oscillators            01/01/70 00:00      
            why not use a derivative with a PLL?            01/01/70 00:00      
               What's a PPL?            01/01/70 00:00      
                  Phase Locked Loop            01/01/70 00:00      
                     It's not a very general sort of PLL            01/01/70 00:00      
                        apples and oranges            01/01/70 00:00      
                           Consider why one would want that ...            01/01/70 00:00      
                        PLL lock timing            01/01/70 00:00      
                           support droids didn't notice that ...            01/01/70 00:00      
                              .. err make that "jibe" : -)            01/01/70 00:00      
                     Atmel MCU with PLL?            01/01/70 00:00      
                        sometimes two wants do not jive            01/01/70 00:00      
                        sadly atmel 8051 derivatives dont            01/01/70 00:00      
            Am I right Richard?            01/01/70 00:00      
               What I meant ...            01/01/70 00:00      
   Koosha, we need an answer            01/01/70 00:00      
      What is in my mind...            01/01/70 00:00      
         why a switch ? It will give you all kins of proble            01/01/70 00:00      
         Maybe use a jumper instead of a switch?            01/01/70 00:00      
            better, yes, as good as none no.            01/01/70 00:00      
            it's commonly used.            01/01/70 00:00      
               all the story!            01/01/70 00:00      
                  Capacitor size            01/01/70 00:00      
                  whare is the uC?            01/01/70 00:00      
                     The uC is in the ZIF socket            01/01/70 00:00      
                  not this type of switch, please            01/01/70 00:00      
                  consider ALL the components!            01/01/70 00:00      
   Thank you!            01/01/70 00:00      

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