Kapanadze Cousin - DALLY FREE ENERGY

[verpies]

The diode Kd203 in the prior schematic is not connected in avalanche mode.
Also the supply is only 150 volts, not nearly enough to avalanche a 420/600 volt device.

Yes, 150V is insufficient to avalanche a 420/600V diode, even after stepping up this voltage by the Tr1 transformer to 300V.

However I don't think these diodes work in avalanche mode.
I think that these diodes function in the DSRD (Ð"Ð"РÐ') mode, thus the high avalanche voltage is not required.
However DSRDs require a sub-0.5μs input pulse to produce a 1ns pulse.
DSRDs have better performance than avalanche transistors and diodes as the can produce picosecond pulses at kV amplitudes, see here.

More info on DSRDs can be read in the 3 PDFs attached to Reply #93.

[verpies]

Does any one of you know where I can find a good diagram/plot of the E & M fields inside a cylindrical coaxial cable.  Standing wave preferably...
Something like this.

[Hoppy]

Yes, 150V is insufficient to avalanche a 420/600V diode, even after stepping up this voltage by the Tr1 transformer to 300V.

However I don't think these diodes work in avalanche mode.
I think that these diodes function in the DSRD (Ð"Ð"РÐ') mode, thus the high avalanche voltage is not required.
However DSRDs require a sub-0.5μs input pulse to produce a 1ns pulse.

More info on DSRDs can be read in the 3 PDFs attached to Reply #93.

Have just got around to reading this and it now makes sense why the VCO timing caps were reduced.

Hoppy

[Hoppy]

DSRDs have better performance than avalanche transistors and diodes as the can produce picosecond pulses at kV amplitudes, see here.

More info on DSRDs can be read in the 3 PDFs attached to Reply #93.

So this means that using ordinary diodes is a waste of time for this mode of operation, unless by fluke Dally's build was 'rough' enough to produce sufficient and short enough HV 'hash' pulses??

Hoppy

[Hoppy]

Does any one of you know where I can find a good diagram/plot of the E & M fields inside a cylindrical coaxial cable.  Standing wave preferably...
Something like this.

Is the attached any help?

Regards
Hoppy