Kapanadze Cousin - DALLY FREE ENERGY

[verpies]

I do not agree with Sergei, this fundamental error which began to make in our forums. In this scheme, the core must  to work in oversaturation mode, otherwise the effect DSRDs diode is not going to happen.
It is necessary to use small-diameter ring, as shown in basic scheme, it is 7 mm outer diameter.
In the scheme, sloping line indicates on the  transformer in  oversaturation mode.
The larger the size of the ring, the more difficult to enter it into oversaturation.

I agree. The transformer method of driving the DSRD requires the saturation of the ferrite core in order to create asymmetrical currents in the forward and reverse conduction of the DSR diodes.
I think that tunning the saturation point of this transformer is tricky.  That is why I prefer the transformerless method of driving the DSR diodes.

[Vasiliy Buslaev]

I agree. The transformer method of driving the DSRD requires the saturation of the ferrite core in order to create asymmetrical currents in the forward and reverse conduction of the DSR diodes.
I think that tunning the saturation point of this transformer is tricky.  That is why I prefer the transformerless method of driving the DSR diodes.

You need not reinvent the bike. This scheme works quite good without complicated settings. The scheme was worked out in the Institute of Nuclear Physics, Academy of Sciences of the USSR. The document is in Russian, sorry. If necessary, can translate the most interesting moments.

Regards

[Hoppy]

You need not reinvent the bike. This scheme works quite good without complicated settings. The scheme was worked out in the Institute of Nuclear Physics, Academy of Sciences of the USSR. The document is in Russian, sorry. If necessary, can translate the most interesting moments.

Regards

IMO its important that we replicate as closely as possible to Dally's schematic before any alternatives are tried.

Regards
Hoppy

[verpies]

This scheme works quite good without complicated settings.

That's my point!  A saturable transformer is difficult to match. 
Its ferrimagnetic core has many parameters that need to be carefully tuned (e.g. dimensions, the AL value, BH characteristic - saturation point, permeability, frequency response).
You cannot just write: "use a 3cm OD ferrite torroid with 12 turns of wire" and expect it to work as advertised just because it worked for you or someone else.
The results are unpredictable unless you use the same core.

@Hoppy
I agree, but do you know where to obtain exactly the same core as Dally's?

[Vasiliy Buslaev]

That's my point!  A saturable transformer is difficult to match. 
Its ferrimagnetic core has many parameters that need to be carefully tuned (e.g. dimensions, the AL value, BH characteristic - saturation point, permeability, frequency response).
You cannot just write: "use a 3cm OD ferrite torroid with 12 turns of wire" and expect it to work as advertised just because it worked for you or someone else.
The results are unpredictable unless you use the same core.

@Hoppy
I agree, but do you know where to obtain exactly the same core as Dally's?

Totally agree with you. How to build is a personal matter. If I offended you, I'm sorry.

Regards