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Text File  |  1995-12-24  |  4KB  |  75 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. INTRO:  After reading the fucked up shit on the original pearl box, I decided
  11.         that there was an easier and cheaper way of doing the same thing with
  12.         an IC and parts you probably have just laying around the house.
  13.  
  14. PARTS:  CD4049 RCA intigrated circuit
  15.         .1 uF disk capacitor
  16.         1 uF 16V electrolitic capacitor
  17.         1K resistor
  18.         10K resistor
  19.         1meg pot
  20.         1N914 diode
  21.         some SPST momentary pushbutton switches
  22.         9 Volt battery & clip
  23.         and miscalanious shit you should have laying around the house.
  24.  
  25. STATE-OF-THE-ART-NEATO TEXT SCHEMATIC:
  26.                                        +  16V  1uF -
  27.               _______________________________||_____
  28.              |        !     !                ||     |           _
  29.              |   _______________________            |__________| |/| 8ohms
  30.          ____|__|_____:__|__:__|_       |            __________| | |
  31.         | 9 10 11 12 13 14 15 16 |      |           |          |_|\|
  32.         |        CD4049UBE       |      |           |
  33.         |_1__2__3__4__5__6__7__8_|      :           |          _
  34.           |  |  |__|  |__|  |  |____________________|_________[-]
  35.           |  |  !           !           :                     [b]
  36.           |  |__________________________|                     [a]
  37.           |     :           :           |                     [t]
  38.           |     !    1N914  !           !                     [t]
  39.           |___________|/|_____________________________________[+]
  40.                 :     |\|   :           :
  41.                 |           |           |
  42.                 |    10K    |           |
  43.                 |___/\/\/\__|           |
  44.                 |           |           |
  45.                 |_____||____|           |
  46.                       ||    |           |
  47.                  .1uF   50V |           |
  48.                             |           |
  49.                          ___|           |___
  50.                         |                   |
  51.                         |_/\/\/\_____/\/\/\ |  1Meg
  52.                             1K         ^    |
  53.                                        |____|
  54. EXTRAS:
  55.         To keep tones that you wanna use frequently like 1850 Hz then all you
  56.         have to do is put in a variable resistor and adjust it to where you
  57.         have the correct tone, then just put a push-putton switch on the line.
  58.         You can link them together in a chain, etc.
  59.  
  60.             |          ___  | 
  61.             |          o o  |
  62.             | /\/\/\___| |__|
  63.             |    ^          |
  64.             |____|     ___  |
  65.             |          o o  |
  66.             | /\/\/\___| |__|
  67.             |  ^            |
  68.             |__|            |
  69.             !               !
  70.             :     (etc)     :
  71.  
  72. There are many other good mods to make to the box so have phun and be smart.
  73.  
  74.  
  75.