• This may be slightly similar to Gizmo's Moscode output stage. - VoltSecond 00:03:30 06/03/03 (0)
  In Reply to: C4S question posted by Sector-7G on June 02, 2003 at 11:20:50:

  Comment 1:
  This may be slightly similar to Gizmo's Moscode output stage.

  You would use a CF C4S with the ground connection going to the plate of the tube instead of ground. The Bias and "OUTPUT" pins go to B+.

  Comment 2:
  You could also replace the CF tube with a MOSFET or transistor biased with a C4S. The transistor may actually work better than the FET.
  
  
  

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• Re: C4S question - Paul Joppa 13:58:23 06/02/03 (1)
  In Reply to: C4S question posted by Sector-7G on June 02, 2003 at 11:20:50:

  Look at it more closely and you'll see that the C4S as a cathode follower, follows the B+ supply rail, not the signal voltage. In other words, it varies hardly at all, no matter what the plate swing. This is different from a mu-follower topology, as often also implemented with depletion mode MOSFETs.
  
  

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  • well... - Sector-7G 14:35:28 06/02/03 (0)
    In Reply to: Re: C4S question posted by Paul Joppa on June 02, 2003 at 13:58:23:

    I s'pose a schematic would help. Not having one of these, I ask the question. I don't suppose somebody could send me a schematic to play with?
    regards,
    Douglas
    
    

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