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Text File  |  1989-11-11  |  4KB  |  74 lines
  1.   ---------------------------------------------------------------------------
  2.  ////////////////////////////////////////\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
  3. |=                                                                           =|
  4. |=                              Advanced Pearl Box                           =|
  5. |=  07/01/89                           (APB)                       07/01/89  =|
  6. |=                       Tested and Created by: Dispater                     =|
  7. |=                                                                           =| 
  8. \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\/////////////////////////////////////
  9.   ---------------------------------------------------------------------------
  10.  
  11. INTRO:  After reading the fucked up shit on the original pearl box, I decided
  12.         that there was an easier and cheaper way of doing the same thing with
  13.         an IC and parts you probably have just laying around the house.
  14.  
  15. PARTS:  CD4049 RCA intigrated circuit
  16.         .1 uF disk capacitor
  17.         1 uF 16V electrolitic capacitor
  18.         1K resistor
  19.         10K resistor
  20.         1meg pot
  21.         1N914 diode
  22.         some SPST momentary pushbutton switches
  23.         9 Volt battery & clip
  24.         and miscalanious shit you should have laying around the house.
  25.  
  26. STATE-OF-THE-ART-NEATO TEXT SCHEMATIC:
  27.                                        +  16V  1uF -
  28.               _______________________________||_____
  29.              |        !     !                ||     |           _
  30.              |   _______________________            |__________| |/| 8ohms
  31.          ____|__|_____:__|__:__|_       |            __________| | |
  32.         | 9 10 11 12 13 14 15 16 |      |           |          |_|\|
  33.         |        CD4049UBE       |      |           |
  34.         |_1__2__3__4__5__6__7__8_|      :           |          _
  35.           |  |  |__|  |__|  |  |____________________|_________[-]
  36.           |  |  !           !           :                     [b]
  37.           |  |__________________________|                     [a]
  38.           |     :           :           |                     [t]
  39.           |     !    1N914  !           !                     [t]
  40.           |___________|/|_____________________________________[+]
  41.                 :     |\|   :           :
  42.                 |           |           |
  43.                 |    10K    |           |
  44.                 |___/\/\/\__|           |
  45.                 |           |           |
  46.                 |_____||____|           |
  47.                       ||    |           |
  48.                  .1uF   50V |           |
  49.                             |           |
  50.                          ___|           |___
  51.                         |                   |
  52.                         |_/\/\/\_____/\/\/\ |  1Meg
  53.                             1K         ^    |
  54.                                        |____|
  55. EXTRAS:
  56.         To keep tones that you wanna use frequently like 1850 Hz then all you
  57.         have to do is put in a variable resistor and adjust it to where you
  58.         have the correct tone, then just put a push-putton switch on the line.
  59.         You can link them together in a chain, etc.
  60.  
  61.             |          ___  | 
  62.             |          o o  |
  63.             | /\/\/\___| |__|
  64.             |    ^          |
  65.             |____|     ___  |
  66.             |          o o  |
  67.             | /\/\/\___| |__|
  68.             |  ^            |
  69.             |__|            |
  70.             !               !
  71.             :     (etc)     :
  72.  
  73. There are many other good mods to make to the box so have phun and be smart.
  74. DOWNLOADED FROM P-80 SYSTEMS......