Ramsey Electronics COMPUTEMP CT255 Manuel d'instructions

PG13 • 1 Ramsey Electronics Model No. PG13 Have you ever wanted to play with a controlled substance? Now you can! It is called plasma, and it is e

PG13 • 10 To see an aurora closely, we can use Plasma balls. Plasma balls operate by applying a high AC voltage to an electrode in the center of a gla

PG13 • 11 Carbon Dioxide - Glows a whitish or blue-white color. It is probably good to have no direct contact with metal electrodes for long life wit

PG13 • 12 CIRCUIT OPERATION What is going on with this board may look simple at first, but it is actually quite a difficult design to get working pro

PG13 • 13 We have included two 0.25mm spacers for you to do experiments with. Since the transformer is specific about its “sweet spot”, we couldn’t ru

PG13 • 14 Once saturation occurs, the flux stops increasing in the core, and the current that was induced in the feedback winding abruptly halts and r

PG13 • 15 transformer, or under full load. In the case of the transformer we will be supplying, it is rated for 3 amps. We idle at 0.5 amps. This mean

PG13 • 16 RAMSEY “LEARN-AS-YOU-BUILD” ASSEMBLY STRATEGY Be sure to read through all of the steps, and check the boxes as you go to be sure you didn&

PG13 • 17 We sincerely hope you put this kit together in a professional manner. This project will not work as well as you wished if you don’t follow g

PG13 • 18 RAMSEY PG13 PARTS LIST Semiconductors  4 1N5408 3 AMP Rectifier diodes (D2,3,4,5)  1 RED LED (D1)  2 TIP31C 100V Bipolar NPN Powe

PG13 • 19 ASSEMBLY We will begin with the board oriented with the power switch mounting position towards you. This is just to keep our parts locating

PG13 • 2 RAMSEY TRANSMITTER KITS • FM100B Professional FM Stereo Transmitter • FM25B Synthesized Stereo Transmitter • AM1,

PG13 • 20 17. Install D1, the red LED. 18. Now here comes a really critical install. Install C3, one of the 3300 or 4700uF electrolytic capacitors.

PG13 • 21 the other half. 33. Install the other half of the U core. 34. Locate the plastic tubing for the U core clamp. Cut the tubing in half and s

PG13 • 22 41. Place the metal ball terminal in whatever holder you’ve chosen. Heat a spot on the ball with your soldering iron and hold solder on it

PG13 • 23 1. Check all of your electrolytic capacitors for orientation. I can’t stress this enough! 2. Then check your diodes. Install one the wron

PG13 • 24 PG13 SCHEMATIC DIAGRAM

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

PG13 • 26 USING YOUR OWN POWER SUPPLY AC Sources: You will need to use an AC transformer capable of 3 AMPS in the range of 5VAC to 16VAC. 14VAC will

PG13 • 27 Many power supplies have this, so just tie a wire between the terminal and earth ground on your power supply. Otherwise use the center screw

PG13 • 28 TESTING THE PG13 This, unfortunately, will be a process of turning on the power, and hoping all goes well! If you have a multimeter with a

PG13 • 29 Bring the tip of the screwdriver close to the high voltage terminal, you should see a decent sized spark form at about 1/4” or more away fro

PG13 • 3 PG13 PLASMA GENERATOR KIT Ramsey Publication No. MPG13 Price $10.00 TABLE OF CONTENTS Safety Guidelines ...4

PG13 • 30 <0.5pF<10 ohmsPG13NEON BULBCurrent FlowIn the case of the neon bulb, it is a little more complicated. Sometimes it may light due to th

PG13 • 31 TROUBLESHOOTING PROBLEM: The LED doesn’t light up. SOLUTION: Not much can go wrong in the circuit that prevents this other than you forgot

PG13 • 32 EXPERIMENTS: Now here comes the fun part, playing with your new toy. You may be surprised at how many cool things you can do with this, espe

PG13 • 33 Corona leakage can be a big problem in high voltage circuitry since any sharp point will lose quite a bit of power to the air. To cure this

PG13 • 34 finger. You may need to devise a better method to reduce friction than what you have, but it shouldn’t be too hard. The lower the friction a

PG13 • 35 A Jacob’s Ladder The classic experiment to make an impressive display! We have some current limitations with this high voltage power supply,

PG13 • 36 I will admit that this experiment is difficult to reproduce due to the low power involved on the output terminal. If I had added more parts

PG13 • 37 Home Brew Plasma Ball I spent quite a while trying to find the “perfect” light bulb just for this purpose and have yet to find one. The best

PG13 • 38 Advanced Plasma Ball I have not tried this yet, so I leave it up to the experimenter to figure this one out, but these are some ideas to pla

PG13 • 39 6. Drill two small holes somewhere within the dome circle on the vinyl. This will be where you insert and remove special gases through your

PG13 • 4 SAFETY GUIDELINES FOR HIGH VOLTAGE AND/OR LINE POWERED EQUIPMENT Author: Samuel M. Goldwasser Corrections/suggestions: [email protected].

PG13 • 40 Conductive Glass If you’ve always thought glass was a good insulator, guess again! When glass gets good and hot, it becomes more and more co

PG13 • 41 More Experiments: Go to the Ramsey Electronics web site, and go to the bulletin board under hobby kits. We will have a forum on the Plasma G

PG13 • 42 Component Placement

PG13 • 43 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting th

PG13 • 44 PG13 PLASMA GENERATOR KIT Quick Reference Page Guide Safety Guidelines ... 4 History ...

PG13 • 5 connected devices like Tesla Coils, Jacobs Ladders, plasma spheres, gigawatt lasers, fusion generators, and other popular hobby type projects

PG13 • 6 greater resistor of 100-500 ohms/V approximate value (e.g., for a 200 V capacitor, use a 20K-100K ohm resistor). Monitor while discharging a

PG13 • 7 materials with a high resistance path between you and the chassis (greater than 100K ohms). Never use metallic conductors as you would then

PG13 • 8 voltage. This is only true if you do not modify the kit in any way. Here is the reason why, which is very interesting: So here is the abridg

PG13 • 9 HOW I ARRIVED AT THE PG13. (A little history, if you please!) Let me introduce myself. I am an engineer at Ramsey Electronics, and have been