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???
07/12/07 08:23
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#141800 - Amplfiers
Responding to: ???'s previous message
Raghunathan said:

Yeah if you can mail me a PDF of a typical circuit or a link to one such typical IC ( if it exists ) then I will get a hang of it. Much faster.


I don't know of a single IC that can do it. We always implement them from discrete components. We use a really pure sine wave generator, based on a Colpitts oscillator for a start, then we rectify with a switchable gain amplifier and the aforementioned analogue switches to switch the gain.

Steve




List of 26 messages in thread
TopicAuthorDate
Carrier Frequency amplifiers            01/01/70 00:00      
   use a chopper stabilized OP amp            01/01/70 00:00      
      Looks like my client knows ..            01/01/70 00:00      
   Also known as            01/01/70 00:00      
      Long time....            01/01/70 00:00      
         Amplfiers            01/01/70 00:00      
   LTC to the rescue            01/01/70 00:00      
      Excellent document            01/01/70 00:00      
      Well asked and answered            01/01/70 00:00      
         I'm not worthy!            01/01/70 00:00      
            The truely wise            01/01/70 00:00      
               Quote ?            01/01/70 00:00      
                  It\'s not original            01/01/70 00:00      
                     Public Domain?            01/01/70 00:00      
      Common mode rejection            01/01/70 00:00      
         Ideas            01/01/70 00:00      
            Consider            01/01/70 00:00      
               Have you seen this?            01/01/70 00:00      
                  No            01/01/70 00:00      
               What about selecting a handful for lowest offset?            01/01/70 00:00      
                  30 Euro each.            01/01/70 00:00      
                     Ok, take a small handful...            01/01/70 00:00      
                        Start the thread and go on vacation ....            01/01/70 00:00      
                           The catch            01/01/70 00:00      
                              There's always a catch with Maxim            01/01/70 00:00      
                                 Ah ha            01/01/70 00:00      

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