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???
08/23/04 06:18
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 		 #76266 - RE: Need help with LED display
Responding to: ???'s previous message
hi,

Kai, BC337 (NPN) cannot be driven with low level logic output of 74HC138. Either BC327 (PNP) or 74HC238 should be used.

Regards,
Oleg

List of 62 messages in thread
TopicAuthorDate
Need help with LED display            01/01/70 00:00      
   RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
         RE: Need help with LED display            01/01/70 00:00      
            RE: Need help with LED display            01/01/70 00:00      
               RE: Need help with LED display            01/01/70 00:00      
                  RE: Need help with LED display            01/01/70 00:00      
                     RE: Need help with LED display            01/01/70 00:00      
                        RE: Need help with LED display            01/01/70 00:00      
                           RE: scroll            01/01/70 00:00      
                           RE: Need help with LED display            01/01/70 00:00      
                              RE: Need help with LED display            01/01/70 00:00      
                                 RE: Need help with LED display            01/01/70 00:00      
                                 RE: Need help with LED display            01/01/70 00:00      
                                 READY FOR SCHEMATICS            01/01/70 00:00      
                                    RE: READY FOR SCHEMATICS            01/01/70 00:00      
                                       RE: READY FOR SCHEMATICS            01/01/70 00:00      
                                       RE: READY FOR SCHEMATICS            01/01/70 00:00      
                                          RE: READY FOR SCHEMATICS            01/01/70 00:00      
                                             RE: READY FOR SCHEMATICS            01/01/70 00:00      
                                                RE: READY FOR SCHEMATICS            01/01/70 00:00      
                                                   construction of marix            01/01/70 00:00      
                                                      RE: construction of marix            01/01/70 00:00      
                                                      RE: construction of marix            01/01/70 00:00      
                                    No reason to shout!            01/01/70 00:00      
                              RE: Need help with LED display            01/01/70 00:00      
                                 RE: Need help with LED display            01/01/70 00:00      
                                    RE: Need help with LED display            01/01/70 00:00      
                                 RE: Need help with LED display            01/01/70 00:00      
                                    RE: Need help with LED display            01/01/70 00:00      
         RE: Need help with LED display            01/01/70 00:00      
   Multiplexing scheme            01/01/70 00:00      
      RE: Multiplexing scheme            01/01/70 00:00      
         RE: Multiplexing scheme            01/01/70 00:00      
            RE: Multiplexing scheme            01/01/70 00:00      
            RE: Multiplexing scheme            01/01/70 00:00      
               RE: Multiplexing scheme            01/01/70 00:00      
                  RE: Multiplexing scheme            01/01/70 00:00      
                     RE: Multiplexing scheme            01/01/70 00:00      
                        RE: Multiplexing scheme            01/01/70 00:00      
                           RE: Multiplexing scheme            01/01/70 00:00      
   RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
         RE: Need help with LED display            01/01/70 00:00      
            RE: Need help with LED display            01/01/70 00:00      
               RE: Need help with LED display            01/01/70 00:00      
               RE: Need help with LED display            01/01/70 00:00      
                  RE: Need help with LED display            01/01/70 00:00      
                     RE: 100Hz            01/01/70 00:00      
   RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
      RE: Need help with LED display            01/01/70 00:00      
         RE: Need help with LED display            01/01/70 00:00      
            RE: Need help with LED display            01/01/70 00:00      
      how to do calculations            01/01/70 00:00      
         RE: how to do calculations            01/01/70 00:00      
            RE: how to do calculations            01/01/70 00:00      
               RE: how to do calculations            01/01/70 00:00      
               RE: how to do calculations            01/01/70 00:00      

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