XPost: sci.electronics.basics, sci.electronics.components, sci.e   
   ectronics.design   
   XPost: sci.electronics.repair   
   From: erichpwagner@hotmail.com   
      
   On 06/09/2015 07:05, DaveC wrote:   
   > I can say that the bandwidth requirement of the circuit is very small—DC-10   
   > KHz—and low current. Don’t know about gain.   
   >   
   > Thanks.   
   >   
      
   You could try a 2N3904 or other jelly bean type and see if the thing   
   then works?   
      
   piglet   
      
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