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TUCoPS :: Hardware Hacks :: sonicjam.txt

Ultra-Sonic Jammer Plans.




Originally Displayed On P-80 Systems....


 
                          ------------------------
                          ULTRA-SONIC JAMMER PLANS
                          ------------------------
 
 
 By: ><anrek The Conjurer
 
_______________________________________________________________________________
 
                                 UNIT ONE
 
                                   24 MH
                               ------------ CHOKE
                               ------------
               +---------------/\/\/\/\/\/\---------------+
               :                     :                    :
               :                     :                    :
               :                     + 12VDC              :
               :        .002                     .002     :
               +--------) |----------+-----------) :------+
               :                     :                    :
               :                    GND                   :
               :      .001                                :
               +------) |----+-------+--------+           :
               :             :       :        :           :
               :             \       B        \           :
               :         500 /      / \       / 120K      :
               :             \     E   C      \           :
               :             :     : 1 :      :           :
               :    GND------+-----+   +------+---/\/\----+
               :                                  2.2K    :
               :                                          :
               +------) |------------+-----------) |------+
                      10PF           :           .1NF
                                     :
                       *             +-------+
                      5NF            :       :
               +------) |------+     B       /
               :               :    / \      \ 120K
               :               :   E   C     /
               :     200       :   : 2 :     :     3K    (B)
               +-----/\/\------+---+   +-----+----/\/\----+ 12VDC
               :                                    ^
               :     4.7K                           :  <-- POTENTIOMETER
               +-----/\/\------------+--------------+
               :                     :
               :                     B
               :                    / \
               :                   E   C
               :      470          : 3 :                 (A)
               +-----/\/\----------+   +------------------+ 12VDC
               :                   :
               :                   :
               :      1*           :
               +---TWEETER---) |---+
                     : :    1000PF
                    /___\
 
 
_______________________________________________________________________________
                             ----------------
                             : EXPLANATIONS :
                             ----------------
 
 
       /\/\ = Resistor    --) |-- = Capacitor    --- = Wire
 
        +   = Connection   /\/\   = Varible Resistor
                             ^
                             :
       :
       B
      / \  = NPN TRANSISTOR   B=Base, E=Emeter, and C=Collector
     E   C  
     :   :
             1. HEP 52
             2. HEP 52
             3. 2N2338
 
_______________________________________________________________________________
 
     *  Capacitor may have to be increased to prevent degenerative feedback.
    1*  Tweeter should be Mustang "Sphericon" or other capable of 40000Hz.
_______________________________________________________________________________
 
                                UNIT TWO
 
 
                         +      120 VAC       +
                         :                    :
                         :                    :
                         :                    +
                         :                     \ ON/OFF SWITCH
                         :                    +
                         :                    :
                         +--\/\/\/\/\/\/\/\/--+
                            ----------------
                            ----------------    STEP DOWN TRANSFORMER
                            /\/\/\/\/\/\/\/\
               +-----------+                +----------+
               :                                       :
               :                 12 VDC                :
               :                                       :
               :                                       :
       +------ : ------------------+------------------ : ------+
       :       :                   :                   :       :
       :       :                   :                   :       :
       :       :                  / \                  :       :
       :       :    BRIDGE       /   \                 :       :
       :       :   RECTIFIER    /     \                :       :
       :       :               /  MOT  \               :       :
       :       +--------------+   MDA   +--------------+       :
       :                       \ 970-1 /                       :
       :                        \     /                        :
       :                         \   /                         :
       :                          \ /                          :
       :      1000NF               :              1000NF       :
       +-------) |-----------------+--------+------| (---------+
       :                           :        :                  :
       :                           :        :                  :
       :                           \        \                  :
       :           1 OHM  10 WATT  /        /  1 OHM  10 WATT  :
       :                           \        \                  :
       :                           :        :                  :
       :          1000NF           :        :     1000NF       :
       +-----------) |-------------+        +------) |---------+
       :                           :        :                  :
       :                           :        :                  :
       :                           :        :                  :
       :                           :        :                  :
       +-------GND                 :        :       GND--------+
                                   :        :
                                   :        :
                                   :        :
                                   :        :
                  PLUS 12 FOR (B)  +        +  PLUS 12 FOR (A)
 
_______________________________________________________________________________
 
NOTICE - Output wires from transformer do NOT connect with overlapped wires.
_______________________________________________________________________________
 
NOTES:
 
     The two top units must be constructed separately.  Unit 1 is tuned by
 adjusting the choke to about 500 to 1000 cycles apart (this will be somewhere
 around 22,000 cycles - above human hearing.)  Both units use common power
 supply, but should be electrostatically isolated from each other.  The
 speaker must be seperated by several feet, or sonically seperated.  The
 output is controlled by adjusting the 3K pot.  When adjusted correctly it
 will cause ALL (including telephones, hearing aids, tape recorders, bugs,
 etc.) microphones to squeal at the difference in their frequencies.  This
 will render useless all mics in the vicinity.  Aim upward and let sound
 reflect from ceiling.
 
                                                ><anrek The Conjurer
 

_______________________________________________________________________________
 


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