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Text File  |  1993-01-07  |  1KB  |  24 lines
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  4.                                                                     1000
  5.                                5k                            (tip)  ohm
  6.                 >---- ------/\/\/\/\-----            -------------> output
  7.                      |                   |           |   |   |
  8.       input          >             5k    >    .33u   |   >   |   (to radio)
  9.              600 ohm >          trimpot  ><----| |---|   ><---
  10.  (from two           >                   >               >  50k trimpot
  11.   center pins   >____|___________________|__________     |
  12.   on modular                                 |      |    |
  13.   connector)                                 |      V    V
  14.                                             ___     ptt sw.
  15.                                             ///
  16.                                               (sleeve)
  17.     -adjust 5k pot for audio level, and the 50k pot for good ptt action
  18.  
  19.        INTERFACE FROM MODEM TO ICOM HANDHELD
  20.                                             by VE5AG, Jan 7/93
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