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Ultra Sonic Jammer Plans
------------------------
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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