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1 1 1 rg
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BT
/F1 12 Tf
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0 Tw
(NE555) Tj
ET
BT
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0 Tw
(1) Tj
ET
BT
/F2 12 Tf
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(2) Tj
ET
BT
/F2 12 Tf
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0 Tw
(3) Tj
ET
BT
/F2 12 Tf
1 0 0 1 132 535.3 Tm
0 Tw
(4) Tj
ET
BT
/F2 12 Tf
1 0 0 1 144 457.3 Tm
0 Tw
(5) Tj
ET
BT
/F2 12 Tf
1 0 0 1 72 487.3 Tm
0 Tw
(6) Tj
ET
BT
/F2 12 Tf
1 0 0 1 72 535.3 Tm
0 Tw
(7) Tj
ET
BT
/F2 12 Tf
1 0 0 1 108 535.3 Tm
0 Tw
(8) Tj
ET
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S
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105.879 562.828 106.828 561.879 108 561.879 c
109.172 561.879 110.121 562.828 110.121 564 c
b*
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B*
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B*
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S
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S
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S
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S
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54 498 l
S
54 519 m
54 522 l
S
66 540 m
54 540 l
B*
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54 492 l
B*
54 498 m
54 414 l
B*
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b*
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B*
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B*
102 383.9 m
126 383.9 l
B*
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120 377.9 l
B*
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123 380.87 l
B*
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117 374.87 l
B*
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b*
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B*
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42 408 l
B*
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B*
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B*
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b*
BT
/F2 12 Tf
1 0 0 1 12 421.3 Tm
0 Tw
(2700 pF) Tj
ET
BT
/F2 12 Tf
1 0 0 1 84 571.3 Tm
0 Tw
(20k) Tj
ET
BT
/F2 12 Tf
1 0 0 1 30 505.3 Tm
0 Tw
(39k) Tj
ET
BT
/F2 12 Tf
1 0 0 1 90 607.3 Tm
0 Tw
(+12V) Tj
ET
174 414 m
198 414 l
B*
198 408 m
174 408 l
B*
186 396 m
186 408 l
B*
156 462 m
186 462 l
B*
186 462 m
186 414 l
B*
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339.879 568.828 340.828 567.879 342 567.879 c
343.172 567.879 344.121 568.828 344.121 570 c
b*
1 1 1 rg
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326 618.307 312.318 605.131 312.005 588.566 c
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341.623 558.002 341.811 558 342 558 c
S
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S
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s
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b*
BT
/F1 12 Tf
1 0 0 1 348 601.1 Tm
0 Tw
(+) Tj
ET
BT
/F1 12 Tf
1 0 0 1 348 565.1 Tm
0 Tw
(-) Tj
ET
BT
/F1 12 Tf
1 0 0 1 314.9 583.1 Tm
0 Tw
(HV) Tj
ET
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B*
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240 558 l
B*
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216 552 l
B*
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228 540 l
B*
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240 539.9 l
B*
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234 533.9 l
B*
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237 536.9 l
B*
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231 530.9 l
B*
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b*
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228 558 l
B*
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342 570 l
B*
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306 497.9 l
B*
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300 491.9 l
B*
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B*
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297 488.9 l
B*
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b*
BT
/F2 12 Tf
1 0 0 1 252 601.3 Tm
0 Tw
(+24V) Tj
ET
BT
/F1 12 Tf
1 0 0 1 330 523.1 Tm
0 Tw
(IRF640) Tj
ET
BT
/F2 16 Tf
1 0 0 1 234 717.7 Tm
0 Tw
(Plasma ball circuit) Tj
ET
BT
/F2 12 Tf
1 0 0 1 204 403.3 Tm
0 Tw
(0.01) Tj
ET
BT
/F3 12 Tf
1 0 0 1 225 403.3 Tm
0 Tw
(m) Tj
ET
BT
/F2 12 Tf
1 0 0 1 231.9 403.3 Tm
0 Tw
(F) Tj
ET
BT
/F2 12 Tf
1 0 0 1 180 559.3 Tm
0 Tw
(0.01) Tj
ET
BT
/F3 12 Tf
1 0 0 1 201 559.3 Tm
0 Tw
(m) Tj
ET
BT
/F2 12 Tf
1 0 0 1 207.9 559.3 Tm
0 Tw
(F) Tj
ET
296.121 570 m
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295.172 567.879 296.121 568.828 296.121 570 c
b*
BT
/F2 12 Tf
1 0 0 1 261.1 505.3 Tm
0 Tw
(1) Tj
ET
BT
/F2 12 Tf
1 0 0 1 295.9 553.3 Tm
0 Tw
(2) Tj
ET
BT
/F2 12 Tf
1 0 0 1 312 499.3 Tm
0 Tw
(3) Tj
ET
BT
/F2 12 Tf
1 0 0 1 330 511.3 Tm
0 Tw
(Requires heat sink) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 145.3 Tm
0 Tw
(24 volt power supplies are available from Circuit Specialists and All Electronics) Tj
ET
BT
/F4 12 Tf
1 0 0 1 48.3 123.8 Tm
0 Tw
(http://www.circuitspecialists.com) Tj
ET
BT
/F4 12 Tf
1 0 0 1 48.3 104 Tm
0 Tw
(http://www.allelectronics.com) Tj
ET
BT
/F2 12 Tf
1 0 0 1 12 643.3 Tm
0 Tw
(You can use a 7812 12 volt regulator to obtain) Tj
ET
BT
/F2 12 Tf
1 0 0 1 12 630.3 Tm
0 Tw
(12 volts DC from the 24 volt DC power supply.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 223.3 Tm
0 Tw
(Most components can be found at Jameco, Digikey, Mouser or other electronics distributors) Tj
ET
BT
/F1 12 Tf
1 0 0 1 322.7 637.1 Tm
0 Tw
(Ignition) Tj
ET
BT
/F1 12 Tf
1 0 0 1 333 624.1 Tm
0 Tw
(coil) Tj
ET
282 606 m
342 606 l
B*
1 1 1 rg
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S
474 636 m
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S
534 636 m
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S
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498 588 l
510 588 l
510 594 l
498 594 l
s
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510 592.5 l
S
498 591 m
510 591 l
S
498 589.5 m
510 589.5 l
S
0 0 0 rg
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501 585 l
507 585 l
507 588 l
501 588 l
b*
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432 588 l
B*
444 588 m
498 588 l
B*
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b*
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b*
BT
/F1 12 Tf
1 0 0 1 424.7 625.1 Tm
0 Tw
(3mm) Tj
ET
BT
/F1 12 Tf
1 0 0 1 423.3 612.1 Tm
0 Tw
(spark) Tj
ET
BT
/F1 12 Tf
1 0 0 1 428 599.1 Tm
0 Tw
(gap) Tj
ET
BT
/F1 12 Tf
1 0 0 1 473.3 703.1 Tm
0 Tw
(Clear globe) Tj
ET
BT
/F1 12 Tf
1 0 0 1 468.6 690.1 Tm
0 Tw
(incandescent) Tj
ET
BT
/F1 12 Tf
1 0 0 1 480 677.1 Tm
0 Tw
(light bulb) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 355.3 Tm
0 Tw
(Notes:) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 199.3 Tm
0 Tw
(Any 555 timer chip can be used in this circuit.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 186.3 Tm
0 Tw
(In particular, more modern CMOS version of the 555 work well.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 79.31 Tm
0 Tw
(I usually place a 1 microFarad mylar decoupling capacitor between 12V and ground powering the 555.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 295.3 Tm
0 Tw
(This circuit radiates a fair amount of power.  Fluorescent light bulbs and neon light bulbs will glow faintly.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 282.3 Tm
0 Tw
(LEDs will glow if you attach an antenna \(2 ft piece of wire\) to one LED lead and ground the other lead.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 259.3 Tm
0 Tw
(I used a UC12T ignition coil, although I suspect similar ignition coils will also work with this circuit.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 246.3 Tm
0 Tw
(Use a large paper clip to connect to the central high voltage terminal of the ignition coil.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 331.3 Tm
0 Tw
(This circuit radiates a fair amount of power.  Fluorescent light bulbs and neon light bulbs will glow faintly.) Tj
ET
BT
/F2 12 Tf
1 0 0 1 18 318.3 Tm
0 Tw
(LEDs will glow if you attach an antenna \(2 ft piece of wire\) to one LED lead and ground the other lead.) Tj
ET
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