I showed you the secondary the other day, the air gaps etc and how that part of the circuit works, today is the choke half of the circuit with a full video. I mention in the video that the blue leads go to the cell, I meant to say the brown leads go to the cell.
Here is the video:

https://www.youtube.com/watch?v=mPMIIAilPeA&feature=youtu.be

Here is a picture of the choke pickup coil. During the period when the choke is reactive this coil becomes induced to about 5vptp. If the secondary is attached to the choke this voltage rises to an emmense amount and I have to turn the system input voltage down to 2 volts to be able to read the pickup. The reason being its proximity to the main bifilar coils and there is a magnetic field exchange where the pickup is being induced by the other coils on the core. Never took this into account where I located the pickup but i'll learn to live with it.

So that looks to me like proof positive you can simulate the operation of this VIC at low voltages to get the filtering in the ballpark, then once you do that, add the step-up secondary and you're off to the races.

I do think your pickup coil is also going to see the increase in voltage which may cause some trouble to scope across it.  Maybe cut down the number of turns.

It's so funny because I remember way back when, I was talking about the chokes being a filter of either the gate signal or the main signal, can't remember which.  Sure looks like you have that concept dialed in to me.

Ronnie also mentioned at one time that you need a little current to get the process started, now I see how the gating can do that.

Good stuff Nav.  Loving it.

The system is so adaptable Matt because you can play around with the air gaps and the frequencies and make either the gate the dominant signal or the main pulse dominant or half and half. This morning you saw the main frequency being reactive in the choke and voltage produced but very little gate current but there is a downside to having no gate current go through the resistor. You need current going through the resistor at the gate frequency because if you don't then there is less magnetising current for the chokes core to play with. Even though the chokes are only reactive at say 9khz and produce voltage at that frequency, they need magnetising current and that magnetising current is provided by the impedance of the resistor which is reactive at the gate frequency. So even though the chokes are passive at the gate frequency, they are reactive at 9khz and that very 9khz signal is riding on the gate the same way a modulation rides on a am transmission.
One cannot exist without the other, you need a carrier wave with a modulation riding that wave then you filter out the modulation into the chokes. The resistor in which you started this affair is resonant at the carrier wave (gate) and the chokes are resonant at the modulation (main frequency). Neither one exists without the other and thats why my system is named Matt's resistor.

Good Post