### Author Topic: Impedance matching circuit  (Read 4454 times)

0 Members and 1 Guest are viewing this topic.

• 50+
• Posts: 68
##### Impedance matching circuit
« on: October 23, 2008, 01:44:51 am »
http://waterfuelcell.org/phpBB2/viewtopic.php?t=1171

This is my attempt to *unpuzzle* what stan meant... as you can see its not obvious what he meant ...

what exactly is impedance  matching and how do you make it , ive seen people talk about *impedance matching* alot , but do these people how should someone adapt this to an actual water fuel cell.... Or do they just hope that some magical impedance matching will fall from the sky?
« Last Edit: October 25, 2008, 21:35:05 pm by dankie »

• 50+
• Posts: 68
##### Re: Impedance matching circuit
« Reply #1 on: October 25, 2008, 06:12:09 am »
Lol i thought this was a water fuel cell research site... I havent seen anything on *impedance matching * anywhere on any site .

Lets change this....

#### tester

• Guest
##### Re: Impedance matching circuit
« Reply #2 on: October 25, 2008, 06:43:29 am »
Lol i thought this was a water fuel cell research site...

It is Partly a wfc research site, What made you think it wasn't?

I havent seen anything on *impedance matching * anywhere on any site .

I haven't Either, Which Probably Explains why i don't even know what this means, Can you fill me in?

Lets change this....

Yes, Lets Please have a go at it, We need some new info here

• Member
• Posts: 238
##### Re: Impedance matching circuit
« Reply #3 on: October 25, 2008, 08:12:15 am »
I think Impedance matching is most important when your using brute force electrolysis.

When your using Voltage potential Impedance bridging, or voltage bridging is whats important.

Impedance matching is the electronics design practice of setting the output impedance (ZS) of a signal source equal to the input impedance (ZL) of the load to which it is ultimately connected, usually in order to maximize the power transfer and minimize reflections from the load. -wikipedia Impedance matching

Notice it says to maximize power transfer to a load. Power is watts, which is voltage times current!

In electronics, especially audio and sound recording, a high impedance bridging, voltage bridging, or simply bridging connection is one which maximizes transfer of a voltage signal to the load.   -wikipedia Impedance bridging (also known as voltage bridging).

Notice is says to maximize transfer of a voltage signal to the load!

A connection is commonly said to be bridged if the load impedance is at least ten times the source impedance

-Wikipedia.

So I think it depends on what your doing, Brute force or voltage potential.

Also look at Naudin's replication, he added resistance for what i think was to get a better voltage bridge, but he didn't match it exactly, because he would have then had too much resistance in his circuit and voltage would have dropped significantly.

• Hero member
• Posts: 4463
##### Re: Impedance matching circuit
« Reply #4 on: October 25, 2008, 11:11:09 am »
Very good explanation HMS!

br
steve

• Sr. member
• Posts: 457
##### Re: Impedance matching circuit
« Reply #5 on: October 25, 2008, 11:17:02 am »
As far as i understood:
center tap of a bifilar coil could be the tap (an attached wire) at the middle of the coil, before the bifilar winding goes backwards,
example with a tesla pancake coil (would work for any bifilar coil).
edit: like picture 840, there you have it.
I also understood that the second transformer coil was wound bifilar too!

VIC coil apart from the other coils:
separate transformer and other coils

Probably (!) each of the two resonant charging chokes were bifilar wound, equivalent to two tesla bifilar coils.
What do you mean with impedance matching?

• 50+
• Posts: 68
##### Re: Impedance matching circuit
« Reply #6 on: October 25, 2008, 18:31:55 pm »
HMS  , i already looked wiki thx...

Haithar i`m starting to think the secondary was would bifilar as well , although there is no mention of this when he describes VIC-coil 6-1 . I`m guessing there is a few variations of VIC coil 6-1. Do you mean that each resonant chokes 56/62 could have  made of 2 strands of wire each ?

I`m starting to think that this is not the exct same coil we are talking about here ... his explication is so confusing

A tesla bifilar flat coil wound as per this specific tesla drawing has the megnetic fields being opposed and this nullifies its self-inductance....

A tesla bifilar flat coil thats wound as per the crux neogen method has the magnetic fields being  multiplied , it strenghtens it ...
« Last Edit: October 26, 2008, 09:51:55 am by stevie1001 »

• 50+
• Posts: 68
##### Re: Impedance matching circuit
« Reply #7 on: October 25, 2008, 21:04:05 pm »
yes the possibility that chokes 56/62 are each made of 2 strans of wire each (dual bifilar ) is not likely , just because he says *bifilar wound* and and images of figure 10-3b,  also i dont see the need of this.

He have may have been confused with the numbers and tought of 614/615 OR it may be that the secondary pick-coil is wound bifilar in one of his variations to figure 6-1 , imagine that the  secondary pickup coil is wound bifilar with 2 strands of wire , each end has 2 strans of wire(secondary pickup coil 52=bifilar strands of wire 616A/616B) North A/B and South A/B . It might be somekind of parralel connetion to each respectable coil in a variety of possible ways , or a single strand of A and a single strand of B might form a closed loop connection as per the Tesla drawing and the 2 other strands might be connected to stainless steel chokes 56/62

The center tap might be tapped between both secondary bifilars and balances them as shown in my post

There is only 1 choke 56 and only one choke 62... The way these will be connected to the secondary 616A/B16B is only a matter of limited possibilities ...

I guess i always have to do the work myself heh...

The simple concept of this might be applicable to many different Meyer coils other than the all in 1 VIC... I should be named Ionizationx MVP