High Voltage from Thin Air?

[DrStiffler]

[QUOTEScience=Radiant_;53615]@Gmeast

It is a "signal generator" in the sense that it sends out a pulsed output from the transistor...err...or should I say Input? LOL, but, it is much more.

This circuit is much like a solid state Tesla Coil driver, in that there is positive feedback, and, that it's physical parameters ie...RLC determines its "auto-resonance"

Take for instance this lovely little circuit...




If I remember correctly the only real difference is that the SEC is using a capacitor (C1) as the positive feedback to oscillate the gate, and this solid state Tesla Coil is using the inductive action of the feedback coil to oscillate the gate. The outputs of the two circuits are essentially the same, one uses traditional Transformer action (tesla coil) and one uses Autotransformer action or Self inductance (SEC...notice the coil b4 the LED array)....Both create a high flyback voltage....and...ANY alternating currents can be "Collected" using the AV Plug.[/QUOTE]

WHAT?

Please use an Exciter circuit and make you case, otherwise a Tesla thread may be of more interest to you.

[DrStiffler]

Hi all,

I'm new here. I just spent the afternoon scanning all of the posts for the 'basic exciter circuit' and found everything on page 4 posted by Mutten ... thanks Mutten. I could not find the originals posted by Dr. Stiffler. Is the circuit posted by Mutten correct or have there been updates.

I really like the supportive and progressive attitude here ... no posturing!

Thanks in advance,

Greg

@gmeast

You can find an archive of original circuit at www.stifflerscientific.com and I have included a parts list for those circuits.

[amigo]

Hi amigo,

Do you have a source, p/n or whatever for the adjustable coil LB or build it?

and ...

Is ON Semiconductor the preferred source ... what about Fairchild & others? They appear to be the cheapest from Mouser $0.16 ea. in single pc. quantities in stock. Is there a particular spec. Mouser has several.
Is there an alternate part to the MPSA06 NPN ?

Thanks very much,

Greg

I did not get my coil forms from an on-line source. There are some electronic parts and surplus stores around me so I got some there. Others here as you have seen have built their Lb and the circuit still worked.

ON has been shown by many to be the best performer in the circuit, followed by Fairchild, while Motorola had limited to no success.

Doc also noted that hFE plays a role and that high gain units (>200) should be employed for this circuit.

I got my ONs from Newark and they were pretty cheap there at the time.

[amigo]

@gmeast

You can find an archive of original circuit at www.stifflerscientific.com and I have included a parts list for those circuits.

ZOMG Doc....your site's back!

[DrStiffler]

ZOMG Doc....your site's back!

@amigo

What does the 'ZOMG' acronym stand for (remember I'm old hat)?

The site will not be like it was, direction to papers and maybe bits and pieces of stuff that might be current for replications. Info will all be in Free or low cost documents.

[gmeast]

circuits and stuff

@gmeast

You can find an archive of original circuit at www.stifflerscientific.com and I have included a parts list for those circuits.

Thank you so much sir,

Greg

[gmeast]

what's hFE

I did not get my coil forms from an on-line source. There are some electronic parts and surplus stores around me so I got some there. Others here as you have seen have built their Lb and the circuit still worked.

ON has been shown by many to be the best performer in the circuit, followed by Fairchild, while Motorola had limited to no success.

Doc also noted that hFE plays a role and that high gain units (>200) should be employed for this circuit.

I got my ONs from Newark and they were pretty cheap there at the time.

Thanks amigo,

"Doc also noted that hFE plays a role and that high gain units (>200) should be employed for this circuit."

What's "hFE" ?

Greg

[MGC]

Thanks amigo,

"Doc also noted that hFE plays a role and that high gain units (>200) should be employed for this circuit."

What's "hFE" ?

Greg

hFE is the measurement of the transistor's current gain , there are inexpensive multimeters that can do the measurement, very useful.

[DrStiffler]

hFE is the measurement of the transistor's current gain , there are inexpensive multimeters that can do the measurement, very useful.

For hfe some will find this of help.

What does Hfe (hFE) mean? - Yahoo! Answers

[DrStiffler]

Thanks amigo,

"Doc also noted that hFE plays a role and that high gain units (>200) should be employed for this circuit."

What's "hFE" ?

Greg

Check this and then search Wiki for more detailed coverage.

What does Hfe (hFE) mean? - Yahoo! Answers

[Lidmotor]

"Flicker Flame" bulb with SEC

Hi all,
I found a bulb that works well with my SEC. It is called a "Flicker Flame" bulb. I guess that it is just a neon bulb on steroids but it worked really neat. I made a video of it running off the SGate. It acts like a miniature plasma sphere. The video is below.
I worked alot on the 'charger' circuit and Doc I built the one that you posted earlier. I went ahead and bought two 9volt NiMh batteries and have been experimenting with those and my AA battery packs. I am running into a problem with battery impedance. You were right when you cautioned about the nature of the batteries you are trying to charge. I had the most luck when I first tried those half dead 9 volt alkalines. More study is needed here. I don't understand what is happening---yet.

Lidmotor

YouTube - SEC--- FLICKER FLAME!!

[gmeast]

equipment

hFE is the measurement of the transistor's current gain , there are inexpensive multimeters that can do the measurement, very useful.

Hi all,

Thanks for your help. At this point I would like to ask EXACTLY what equipment is required to do these investigations. It is looking like I need to fully equip my lab with component testers and spectral analyzers and who know what else.

I just can't afford to go out and buy one each of every piece of test equipment. If I actually NEED a signal generator then would someone please say so. If I NEED a spectral analyzer please say so. If I need a particular type of LCR meter please say so. If I NEED a current gain tester for transistors please say so.

Every time I ask a question someone suggests that I should go get another piece of equipment or some additional testing device.

It seems that those that already have this equipment are the folks participating in this investigation ... natural selection I guess.

Thanks ... I think,

Greg

[gmeast]

I asked a question ... that's it!

@gmeast

Please Kindly Leave This Thread Alone.

You Do Not Have Right To Take People's Time.

Just Watch And Stop Asking Basic Questions..

Please Do Not Respond To This Message.

Mod.

I will respond I asked a simple question and got crap from Dr Sniffler for it. I did nothing wrong. I now have no interest in any of this now. Blow it dude.

[MGC]

Hi all,
I found a bulb that works well my SEC. It is called a "Flicker Flame" bulb. I guess that it is just a neon bulb on steroids but it worked really neat. I made a video of it running off the SGate. It acts like a miniature plasma sphere. The video is below.
I worked alot on the 'charger' circuit and Doc I built the one that you posted earlier. I went ahead and bought two 9volt NiMh batteries and have been experimenting with those and my AA battery packs. I am running into a problem with battery impedance. You were right when you cautioned about the nature of the batteries you are trying to charge. I had the most luck when I first tried those half dead 9 volt alkalines. More study is needed here. I don't understand what is happening---yet.

Lidmotor

YouTube - SEC--- FLICKER FLAME!!

I'm testing with the 9v alkalines using a 330ohm resistor for the load. I found a 10+ year old 9v battery from a sprinkler timer that had a 3v volts resting on it. After a couple of cycles, it would take the load for an hour and stay above 6v. (That's more than 600 usable farads for Huey)

Couple things I've tried to improve charging : wrap some foil around the battery and connect foil to earth ground. Another is to connect a 1Mohm resistor in parallel with the battery using a pair of 22uH chokes. If nothing else, the resistor makes tuning a bit easier.



Happy experimenting,
Mike

[amigo]

@amigo

What does the 'ZOMG' acronym stand for (remember I'm old hat)?

The site will not be like it was, direction to papers and maybe bits and pieces of stuff that might be current for replications. Info will all be in Free or low cost documents.

Hi Doc,

It's the "Net" slang:

Urban Dictionary: zomg

By the way, did you raise the price of that soon to be published paper, I could've sworn it was $5.00 before and thought "Hey, that's cool and not expensive."

At $15.00 it might be kinda steep so I hope you hire someone to proof read the paper before publishing...