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The bug and car tracker
NOTICE: TO ALL CONCERNED Certain text files and messages contained on this site deal with activities and devices which would be in violation of various Federal, State, and local laws if actually carried out or constructed. The webmasters of this site do not advocate the breaking of any law. Our text files and message bases are for informational purposes only. We recommend that you contact your local law enforcement officials before undertaking any project based upon any information obtained from this or any other web site. We do not guarantee that any of the information contained on this system is correct, workable, or factual. We are not responsible for, nor do we assume any liability for, damages resulting from the use of any information on this site.
!! THE BUG DETECTOR !!
BY: FORD PREFECT
UPLOADED BY: The Phoney Phoner
and The Skeleton Krew
What you will need:
(the number in brackets is a reference
number which matches the schematic. The
number in paranthesise is the amount of
the part needed.)
[1] (1) 1n34a crystal diode
[2] (2) 2n107 audio transistors
(ge-2 or equivalent)
[3] (1) 3k ohm variable resistor
[4] (2) 560 ohm 1/2 watt resistor
[5] (1) 15k ohm variable resistor
[6] (1) 500 ohm variable resistor
[7] (1) .002 Uf capacitor
[8] (1) 1.5 Volt aa battery
[9] (1) aa battery holder
[10] (1) 0-300 microammeter
(lafayette 99-g-5028 or
equivalent)
[11] (1) 10 millihenry choke (ohmite
z-50)
[12] (1) single-pole single-throw
(spst) toggle switch
[13] (1) project box (radio shack)
[14] (1) antenna (either from an old
transistor radio or a stiff
piece of wire will also work)
[15] (1) 2000 ohm headset (or a mini-
ature earphone like most tv
and radios use)
the parts can be purchased from radio
shack for less than $20. This is a
very good high-gain meter-type bug
detector. It has a crystal diode with
2 amplification stages to boost the
power of the meter. This produces a
broad-band, battery-powered, receiver
that can sense radio-frequency transm-
itters up to a mile away. Unfortun-
ately, it will also pick up a commerc-
ial am or fm station up to 3 miles
away....
Bug detector schematics:
[14] [1]
(*)-----+------\<---+------+----\
\ \ \ \ \
\ \ \ \ \
\-/ ( / [7] \ \
v ) [3] \ --- \
[11] ( / ^^^ \
[0] ) --> \ \ \
\ \ / \ \
\ \ \ \-/ \
\-/ \ \ v \
v ----+ \
\ [0] \
[0] \ \
\-/ \
v \
\
[0] \
\
\
---------------------------------------
\ /----\
\ ( /--)-----------\ --->>b<<
\ ( \/ ) \ \
------(---\ ) \ \
( \\ ) ----+---\
( <--)-----\ \ \
[2] \----/ \ \ \
\ \ \
\ / \
[0] \-/ \ \
v / \
[4] \ \
/ \
\ \
\ \
>>a<< \
\
\
---------------------------------------
\
\ [12] [8&9]
\ ____ <-><+>
\ / \
---------() ()-----\ \---->>c<<
\
[4]
>>a<<--------\/\/\/\/\----->>c<<
---------------->>d<<
\
[2] /---\-----\
( \ )
( \-\ )
>>c<<----(---\ \-----)----\
( \-->-\ ) \
( ) \
\---------/ \
[0] \-/
v
[5]
>>b<<-------\/\/\/\/\---
^
\
\
------------>>d<<
[6]
>>d<<-------/\/\/\/\/--
^
\
\
Uploaded to: The Party Line
(415) 447 - 0963
************ CAR TRACKER *************
Uploaded By: The Phoney Phoner
And The Skeleton Krew
**************************************
By: Ford Prefect
"my name is bond, james bond."
My next gadget is what is called a
bumpbeeper. It attaches to the under
side of a car with magnets and then
sends out a signal that can be heard on
a radio.
Parts list: () = diagram #
(1) 2n635a transistor
(2) 4.3K 1/2 watt resistor
(3) 1 meg potentiometer
(4) 10k 1/2 watt resistor
(5) 50pf capacitor
(6) 365pf variable capacitor
(7) .005Uf capacitor
(8) .01Uf capacitor
(9) ferrite loopstick (from a crys-
(10) coil [see text] tal radio)
(11) single-pole single-throw switch
(12) 9 volt battery
(opt.) Battery clip & case
(13) antenna
this device is a constant tone signal-
ling source that can be tuned to any
clear spot below 1000 khz. If magnets
are attached to the case, it can quick-
ly be installed under the persons car.
(9) Is a standard ferrite loopstick tha
t can be purchased at radio shack.
(10) Is simply 12 turns of plastic cov-
ered hookup wire wound over (9).
13
(*)-------\(----+-----______--- >>a<<
\ \ ^^^^^^
\ 5 \ \ 9
--- -\(-- --\(--->>b<<
- 6 \ 7
v \
--->>a<<
>>a<<------+------+------o/ o-----
\ \ 11 \
/ --- \
\ - \
/ v \
4 \ --------
\ \
\ --[][]->>c<<
--->>b<< 12
"@? j?? >>c<<----/\/\/\/\----+-----+-------
2 \ \ \
\ \ \
>>d<<---)\------- \ \
v >>e<<
8 -----/\/\/\--
\ 3
>>f<<-----------+
/---\
1 ( \ )
( / /-)---->>d<<
( \ > )
( ----- )
( \ )
\---/
\
\
>>b<<
>>e<<-------
\
(
)
(
10 )
\
------>>f<<
>>d<<---
\
---
-
v (ground)
to tune the transmitter:
1)pick an empty spot on the am car
radio below 1000 khz.
2)Switch on the transmitter with the
spst switch.
3)Tune the 365 variable capacitor
slowly until a shrill note can be
heard from the car radio.
4)The pitch of the note is adjustable
by turning the 1 meg potentiometer
resistantly,
Ford Prefect
Uploaded to: The Party Line
(415) 447-0963
///////////////////////////////////////////////////////
// The PIRATES' HOLLOW //
// 415-236-2371 //
// over 12 Megs of Elite Text Files //
// ROR-ALUCARD //
// Sysop: Doctor Murdock //
// C0-Sysops: That One, Sir Death, Sid Gnarly & Finn //
// //
// "The Gates of Hell are open night and day; //
// Smooth is the Descent, and Easy is the way.." //
///////////////////////////////////////////////////////
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