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Text File  |  1995-03-31  |  4KB  |  74 lines
  1.  
  2.   +5               
  3.   ----
  4.    !                       -----------------------------
  5.    !                       !                           !
  6.    /                       !                 ----+     o  '74
  7.    \ 10k              '04  ! '04   '04   '08 /// ! ---------
  8. \\ /        !\        !\   ! !\    !\            +-!D  S   !
  9. >> !--------! >o---+--! >o-+-! >o--! >o--!\        !      Q!
  10. ! /         !/     !  !/     !/    !/    ! )-+     !       !o------+
  11. !/ IR       74ls14 ----------------------!/  !  +- !>  R   !       !
  12. !\  P/transistor                             !  !  ---------       !
  13. !_\!                                         !  !      o   +5      !
  14.    !              ----------------------------  !      !  ----     !
  15.    !              !                             !      !   !       !
  16.   ---             !                             !      -----       !
  17.   ///             !                             !                  !
  18.            '393   !        '14                  !                  !
  19.              ----------    !\                   !                  !
  20.              !    R   ! +- ! >o-+     '25       !                  !
  21.              !       A!-+  !/   +-----)         !                  !
  22.              !        !               )         +---+              !
  23.              !       B!---------------)--\    !\    !              !
  24.          +---!>       !               )   >o--! >o--+              !
  25.          !   !       C!---------------)--/    !/                   !
  26.          !   !        !               )       '14                  !
  27.          !   !       D!---------------)                            !
  28.          !    ---------                                            !
  29.          +-----------------------------------------------------+   !
  30.                                                '393     '393   !   !
  31.                 2.45MHz                       !----!   !----!  !   !
  32.         '04     !--!       '04         '04    !   A!   !   A!  !   !
  33.         !\     +!  !+      !\          !\     !   B!   !   B!--+   !
  34.     ----! >o-+-!!  !!--+---! >o-----!--! >o---!>  C! +-!>  C!  !   !
  35.     !   !/   ! +!  !+  !   !/       !  !/     !R  D!-+ !R  D!  !   !
  36.     !        !  !--!   !            !         !----!   !----!  !   !
  37.     !  1k    !         !  1k        !          !        !      !   !
  38.     -/\/\----+  2n2    --/\/\-------!         ---      ---     !   !
  39.     !           ! !                 !         ///      ///     !   !
  40.     ------------! !-----------------+                          !   !
  41.                 ! !                                            !   !
  42.    +5                                                          !   !
  43.   ----     !!        !! 4*2u2                                  !   !
  44.    !     +-!!-+    +-!!-+                                      !   !
  45.    !     ! !! !    ! !! !                                      !   !
  46.    !     !    !    !    !                                      !   !
  47.    !    -------------------                                    !   !
  48.    !    !  C1       C2    !  +---------------------------------)---+     
  49.    +----!Vcc              !  !                                 !
  50.   ---+  !                 !  !                                 !  +5
  51.   ---   !                 !  !                                 ! ----
  52.    +----!+10v             !  !                                 !  !  >>
  53.         !                 !  !   +-----------------------------+  V //
  54.  PC     !                 !  !   !    '393                       ---
  55. RS232   !                 !  !   !   !----!                       ! IR
  56.   >-----!TxO1         TxI1!--+   !   !   A!              +-/\/\---+ LED
  57.  Tx     !                 !      !   !   B!       2N3904 ! 56R
  58.         !TxO2         TxI2!      +---!>  C!            !/
  59.         !                 !  +-------!R  D!----/\/\----!
  60.   >-----!RxI1         RxO1!--+       !----!    1k2     !\!
  61.  Rx     !                 !                            - !
  62.         !RxI2         RxO2!                              !
  63.         !                 !                             ---
  64.   >--+  !  -10V     Gnd   !                             ///
  65.  Sg  !  -------------------
  66.      !       !  !!  !
  67.      !       +--!!--+
  68.      !          !!  !
  69.     ---          +  !
  70.     ///             !
  71.                    ---
  72.                    ///
  73.  
  74.