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PG13

 

 25 

POWER SUPPLY 

 

If you have purchased the wall transformer for the PG13, note that it may 

have a center tap that we won’t use. The center tap is the black lead, and we 
will simply cut it off. Use the other two leads in the holes marked AC1 and 
AC2. Do NOT install the center tap into the hole marked GND, as we will 
connect this to actual earth ground. 

The transformer may come with a screw that you may use for the center 

mounting hole of the wall plug to hold the plug securely in the socket. We will 
use this screw, a length of wire equal to the length of wire coming from the 
transformer, and some hardware to connect our ground path to prevent 
ground RF burns. 

Connect one end of your grounding wire to the PG13’s J1 hole marked 

GND. Wrap the ground wire around the power lead of the transformer back to 
the transformer for neatness so that things don’t become tangled. On the 
transformer end of the grounding wire, solder the included lug for a nice 
connection. 

Make sure the wall socket you’re using is off. To do this either flip the wall 

switch, or flip the circuit breaker to make sure the socket is off. Use a socket 
tester to be sure! Make sure the switch for the PG13 is off as well. Unscrew 
the screw that is currently holding in the socket’s face plate. Then run the new 
screw through the grounding lug of our wire, through the transformer mounting 
hole, through the face plate and finally into the socket in the wall. You will 
need to plug the transformer in at this point, and tighten the screw down.

 

Transformer

Ground Wire

Face plate

Wall socket

Содержание PG13

Страница 1: ...a plasma sphere Perfect for driving a Jacob s ladder See plasma at work Can light many feet of neon tubing Perfect for driving plasma balls even make a standard light bulb into a plasma sphere Option...

Страница 2: ...ctance Capacitance Meter RAMSEY AMATEUR RADIO KITS HR Series HF All Mode Receivers QRP Series HF CW Transmitters CW7 CW Keyer CPO3 Code Practice Oscillator QRP Power Amplifiers RAMSEY MINI KITS Many o...

Страница 3: ...rcuit Operation 12 Learn As You Build 16 Parts List 18 Assembly 19 Schematic 24 Power Supply 25 Testing 28 Troubleshooting 31 Experiments 32 Component Placement 42 Warranty 43 KIT ASSEMBLY AND INSTRUC...

Страница 4: ...HE most dangerous household appliance to service There is high voltage up to 5 000 V or more at high current more than an amp may be available momentarily This is an instantly lethal combination TVs a...

Страница 5: ...be sure that it is also safe Don t work alone in the event of an emergency another person s presence may be essential Always keep one hand in your pocket when anywhere around a powered line connected...

Страница 6: ...reference end of the meter or scope to the appropriate ground return so that you need to only probe with one hand Perform as many tests as possible with power off and the equipment unplugged For examp...

Страница 7: ...highest ohms range to measure the resistance between the Hot Neutral prongs of the wall plug shorted together and with the power switch on where one exists to ALL exposed metal parts of the equipment...

Страница 8: ...r of 15 ms The frequency at which action potentials fire is governed by this recovery So action potentials can fire about 60 times per second Stimulation at higher frequencies would for all intents an...

Страница 9: ...a perfect experimenter s coil No more stopping at the side of the road at an old console TV to see if the flyback is usable So what the heck is plasma you may ask No it s not the plasma in your blood...

Страница 10: ...uum pump at home when I was a kid and a large green wine bottle The best I ever got was 4 streamers at the very bottom which were white due to the quantity of water vapor coming back through my hose W...

Страница 11: ...ms Argon Streamers are violet lavender The ends are blue violet lavender Argon and neon A mixture of around 99 5 percent neon 5 percent argon has the lowest voltage requirement but may not look as goo...

Страница 12: ...ave been perfect to get 12 volts up to 25kV using a low number of turns on the primary but the resonance was around 13kHz The sound this emits is intolerable for any length of time The coil also had t...

Страница 13: ...k start for the oscillator These resistors provide some current to turn the transistors on Because no two transistors are perfectly alike one will turn on before the other providing an imbalance In Fi...

Страница 14: ...nd out what we have for output voltage is a simple matter of turns ratios See the chart below to see the transformer secondary windings that were in the different models of transformers that I sampled...

Страница 15: ...ich can also be described as overshoot Typically under varying load conditions the overshoot will change about 20 or in other words add about 3 5kV to our output 17 066 KVAC 3 5 KVAC 20 56KVAC This ri...

Страница 16: ...both wires and pads simultaneously Apply the solder to the iron and the pad when the pad is hot enough to melt the solder The finished joint should look like a drop of water on paper somewhat soaked i...

Страница 17: ...ow the PC board drawing and the written directions for all parts especially when there s a right way and a wrong way to solder it in Diode bands electrolytic capacitor polarity transistor shapes dotte...

Страница 18: ...larger than ceramic C5 6 1 10uF Electrolytic capacitor C2 2 3300 or 4700uF Electrolytic capacitors C3 C4 Transformer 1 High voltage transformer winding Marked CHT 0126G XFMR1 2 U cores 2 0 25mm nylon...

Страница 19: ...the other 0 1uF Mylar capacitor marked 104 10 Install D2 one of the 1N5408 rectifier diodes Note the end of the diode with the line or band This is the cathode end Current can only flow into this lea...

Страница 20: ...r lines up with the center hole of HS1 22 Using one of the 4 40 x 1 4 screws and a 4 40 lock nut secure the tab of Q1 to the heatsink Tighten the screw securely so that the tab of the transistor is fl...

Страница 21: ...for you to grip while switching on the power so your project doesn t slide around when trying to turn off the power 39 Using the 6 32 x 1 2 screw thread it through from the bottom of the board to the...

Страница 22: ...you come in contact with it Use the utmost caution on this step and grab the emergency oven mitt if needed 42 Looking at the transformer you ll see that it has a wire coming out of it Cut the wire so...

Страница 23: ...hey look nice and clean with no questionable connections 4 Check all hardware for a nice mechanical fit and that the heatsinks are securely attached to the transistors Now on to the fun Testing the PG...

Страница 24: ...PG13 24 PG13 SCHEMATIC DIAGRAM...

Страница 25: ...end of your grounding wire to the PG13 s J1 hole marked GND Wrap the ground wire around the power lead of the transformer back to the transformer for neatness so that things don t become tangled On th...

Страница 26: ...fications Voltage range 5 volts or less to 15 volts maximum Current capability At least 3 amps continuous 5 amps preferable Regulation Non critical does not need to be regulated You may not want to de...

Страница 27: ...l and earth ground on your power supply Otherwise use the center screw on a wall plug face plate Cool Pictures These two pictures were taken with the camera on a tripod so that the shut ter could be l...

Страница 28: ...eter into AC mode DC for DC Note the polarity connections above With nothing touching the high voltage terminal switch on the power The first thing you should notice is the LED lighting Hopefully the...

Страница 29: ...draw you a few simple diagrams to show you where this current flow is going 0 1pF 40pF through soles of shoes 100 300pF into the air 0 1pF 20pF through handle C u r r e n t Flow C u r r e n t F l o w...

Страница 30: ...ects are interrelated however so here is the basic principle of the neon bulb circuit and why it lights The advantage of using a neon bulb in this fashion is that neon ionizes quite easily In the case...

Страница 31: ...your high voltage section PROBLEM It was working fine for a while when I ran it off of 16 VAC or more then it quit SOLUTION You are on your own here but I will give you some pointers With the power of...

Страница 32: ...f silly putty gum or even tape A pin all metal no plastic pin heads allowed 1 Turn off the power 2 Affix the pin to the top electrode so the pin point is facing upward Make sure it is mechanically sou...

Страница 33: ...om the point Now if the point is able to move we know from physics that for every action there is an equal and opposite reaction Therefore when the ions are repulsed from the sharp point the sharp poi...

Страница 34: ...to cut a piece of thin sheet metal or soda can to the appropriate size Towards the back of this manual there is a stencil you may use to make your own pinwheel Cut it out or copy that page and use it...

Страница 35: ...pieces of wire to about 1 foot long These need to be fairly straight for the most part and stiff to hold the shape you will put in them See diagram on the left 2 Bend each wire identically as shown Th...

Страница 36: ...u could draw a hotter spark The problem is that we also run into other problems too like power dissipation the heatsinks would no longer be adequate and strange oscillation effects caused by the varyi...

Страница 37: ...of the tips of the filament holders The best you will see is the entire light bulb lit up by purple and orange streamers Try holding your hand near the bulb and watch the streamers reach to your fing...

Страница 38: ...referably brass or aluminum and round one end to a semi circle Otherwise use 1 8 rod up to the sphere instead A U shaped wood routing hand tool that has a shape approximately that of the lip of the gl...

Страница 39: ...h and things will stay together 11 Use a permanent marker to put alignment marks on the dome and vinyl base This will allow you to remove and replace the dome as needed for experiments Silicone sealan...

Страница 40: ...suddenly the arc will go through the glass rather than around it This shows why you do not want to lean any objects on your light bulb plasma display The glass will become hot enough to melt and then...

Страница 41: ...periments Go to the Ramsey Electronics web site and go to the bulletin board under hobby kits We will have a forum on the Plasma Generator kits where people will share design ideas and experiments Pin...

Страница 42: ...PG13 42 Component Placement...

Страница 43: ...be assured that the 1K ohm resistors are actually the missing 10 K parts Hum m m I guess the red band really does look orange Ramsey Electronics project kits are packed with pride in the USA If you b...

Страница 44: ...TOOLS Soldering Iron Ramsey WLC100 Thin Rosin Core Solder Ramsey RTS12 Needle Nose Pliers Ramsey MPP4 or RTS05 Small Diagonal Cutters Ramsey RTS04 OR Technician s Tool Kit TK405 ADDITIONAL SUGGESTED...

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