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02/19/03 22:35
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#39487 - Designing a Simple Door Answering System
Hi all,
This may not be a wise move to post a question which is not actually related to this forum..but still as i have searched the net , eng-tips.com power ful discussion forum and other so this may be the last one iam looking for my answer, actually iam trying to find information how to design a door intercom which works on 2 wires only it has to be full duplex and maintaining a good sound quality at gate side.
I have this much information that i need to make use of LM386, KA2410 for ringer ....

If any one has any schematic or design idea to share please post a message

List of 13 messages in thread
TopicAuthorDate
Designing a Simple Door Answering System            01/01/70 00:00      
   RE: Designing a Simple Door Answering System            01/01/70 00:00      
      RE: Designing a Simple Door Answering Sy            01/01/70 00:00      
         RE: Designing a Simple Door Answering Sy            01/01/70 00:00      
            RE: Designing a Simple Door Answering Sy            01/01/70 00:00      
   RE: Designing a Simple Door Answering System            01/01/70 00:00      
      Thank You ALL            01/01/70 00:00      
         RE: Thank You ALL            01/01/70 00:00      
   RE: Desig Door Answering -REPOSTED.            01/01/70 00:00      
   try to understand my problem            01/01/70 00:00      
      RE: try to understand my problem            01/01/70 00:00      
      RE: try to understand my problem            01/01/70 00:00      
   RE: Designing a Simple Door Answering System            01/01/70 00:00      

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