From: pcdhSpamMeSenseless@electrooptical.net   
      
   Chris M. White wrote:   
   > Hi guys,   
   >   
   > I have an old vintage HP audio osciallator which I want to use for   
   > some experimentation to get more practice in electronics. Its output   
   > is continually variable between 4 and 20 volts. Problem is, for some   
   > experiments I have in mind, I need it to output only between 1mV and   
   > 10mV. The oscailator's output impedance is 600 ohms it states.   
   > Can anyone suggest a simple passive attenuator I could build from   
   > easily available components which would give me this much lower output   
   > please?   
   > thanks!   
   >   
      
   A bit more detail would be useful.   
      
   However, something like a resistive voltage divider will probably be a   
   good place to start.   
      
      
   	 10k   
   GEN 0----RRRRR----*----0  OUT   
                      |   
                      R   
                      R 10 ohms   
                      R   
                      |   
                      |   
                     GND   
      
   To get down to 1 mV, you can hang a pot on the output.  Figuring out   
   just how to do that would be a step forward.   
      
   Cheers   
      
   Phil Hobbs   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)