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Suresh R
02/26/06 22:01
Read: 941 times
Chennai
India


 
#110834 - alternatives ?
Responding to: Kai Klaas's previous message
Kai Klaas said:
Capacitor coupling is not enough, if you need precise periods. Have a look at figure 4 of this datasheet


When working with the circuit i couldnt see any difference in Time delay as per the abnormalities given in fig4 of the datasheet. But ofcourse i could not check for precision less than 1 sec!
I would also like to know if there are any alternatives for this cap coupling, that could prevent this abnormality and could achieve precise timing.

suresh.






List of 39 messages in thread
TopicAuthorDate
Pressing 555 trigger SW continuously.      Suresh R      02/24/06 03:57      
   Again      Andy Neil      02/24/06 04:38      
   capacitor couple it.      Steve M. Taylor      02/24/06 10:34      
      Re: cap coupling      Suresh R      02/24/06 23:37      
         Look up the internal block diagram      Kalpak Dabir      02/24/06 23:51      
            Read the Data Sheet!!      Andy Neil      02/25/06 03:17      
      got the o/p      Suresh R      02/25/06 03:59      
         Satisfaction      Steve M. Taylor      02/25/06 04:08      
            Thanku steve      Suresh R      02/25/06 04:33      
         Not enough      Kai Klaas      02/25/06 07:33      
            alternatives ?      Suresh R      02/26/06 22:01      
               Remedy      Kai Klaas      02/27/06 19:16      
                  remedy?      Andy Neil      02/28/06 01:04      
                     Alternatives      Kai Klaas      02/28/06 06:56      
                  BC550 & diodes      Suresh R      02/28/06 04:34      
                     Try it by yourself, it's simple!      Kai Klaas      02/28/06 06:47      
                        analysis results      Suresh R      03/01/06 03:37      
                           Analysis      Kai Klaas      03/01/06 20:14      
                              Thank you      Suresh R      03/01/06 23:10      
                              after the set delay Time      Suresh R      03/02/06 02:07      
                                 Enhanced debouncing      Kai Klaas      03/02/06 10:03      
                                    What do you think about it, Suresh?      Kai Klaas      03/06/06 17:55      
   why the neqw thread      Erik Malund      02/24/06 10:55      
      reply      Suresh R      02/24/06 23:20      
         Read the Data Sheet!!      Andy Neil      02/25/06 03:16      
   kalpak dabir      Satish S Munot      02/25/06 00:52      
   Have you considered using a 74121?      Richard Erlacher      03/04/06 15:18      
      74121 versus CMOS555      Kai Klaas      03/05/06 06:53      
      74121 fine for short period delays?      Suresh R      03/07/06 06:03      
         No debounce needed???      Kai Klaas      03/07/06 06:33      
            Schmitt trigger operation?      Suresh R      03/08/06 05:41      
               Transition times of input signal      Kai Klaas      03/08/06 09:21      
                  controlling noise related issues      Suresh R      03/11/06 04:08      
                     Schmitt-trigger operation      Kai Klaas      03/11/06 06:48      
                      CD 4541BC = Alternative for ICM 7555?      Suresh R      03/22/06 04:52      
                        Do you really need to build it?      Kai Klaas      03/23/06 06:40      
                           Yes.      Suresh R      03/23/06 08:38      
                              try try try again      Steve M. Taylor      03/23/06 09:22      
                                 a sign of confidence      Suresh R      03/23/06 09:59      

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