Otto`s replication of Steven Mark`s TPU

[bob.rennips]

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Excellent pictures by the way. Very helpful. thanks for your effort.

Can you remember where you placed the probe tip and reference (ground) of the probe, in the circuit for this particular scope shot ?

[gyulasun]

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Excellent pictures by the way. Very helpful. thanks for your effort.

Can you remember where you placed the probe tip and reference (ground) of the probe, in the circuit for this particular scope shot ?

  and Otto, would you always include horizontal/vertical scope settings  DIV/us and DIV/Volts,  respectively? 

Thanks,

Gyula

[Mannix]

Guys!!!
I think that otto just asked you very nicely to be quiet.

just watch

[helmut]

@Otto
Kongratulations to your thread

I would like to see a drawing about the mosfet circuit.
Maybe you cann arrange vor that.

thanks in advance

Helmut

[bob.rennips]

Guys!!!
I think that otto just asked you very nicely to be quiet.

just watch

Mannix,

I'm curious, why would someone who claims to be knowledgeable in electronics, not see the complete relevance of asking for probe placement on a circuit and what the DIV X/Y for the scope shots are. This is all the more important in resonant circuits.

Someone of your claimed calibre in electronics should know this inside out - it should be a natural knee jerk reaction - after all repair manuals contain scope shots and you betcha they tell you EXACTLY where to place the probe - why is that ? Huh ? You should have come across hundreds of these in your claimed profession.

Yet here you are, appearing like a complete amateur, and asking people who are asking the RIGHT questions, to be quiet. hummmmm. Quite telling if you ask me.

It's like setting out on a 100,000 mile car journey and not asking for the start and end points of the journey (probe placement) nor the scale of the map (div x/y on the scope).

After all Otto is not posting just for the hell of it. He's posting to communicate.
Intelligent questions indicate that people are taking your postings seriously and thinking about what's been posted.

Let me give you all a little story:

Once upon a time there was a person who tried to invent a car engine that ran on air. He tried and he tried until one day his car started to gather up speed and got faster and faster. Look he proclaimed I've finally made an engine that runs on air. And there was great joy all round and people did celebrate with great gusto.

A person who was from a town, a long, long, way away, piped up, I too have a car, and have built an air engine to your exact specifications but my car does not move. With a great scratching of heads he placed his car on the exact same spot where the original car had moved and all of a sudden the engine started working because the car gathered speed and got faster and faster. He was elated. There was great joy as we now had another car with an engine that ran on air.

Being a cautious person he thought I will just confirm that the engine really is providing the power, so he took the engine out of the car, placed the car on the same spot and low and behold to his amazement the car started to move faster and faster. THIS WAS BIG NEWS. The engine wasn't moving the car. How could this be ?

He shouted from the roof tops, please people try this, it is very strange a car with no engine still moves. Perhaps the air engine isn't working after all. But there was one persistent person who drowned out all rest of the people in putting this person down. "Ignore this person. He is not from around here. He does not know what he talks about. If he's asking you to try this out it is because he hasn't tried it out - oh how sad that some people are like this." and this persistent person continued. "you out of towners, listen, and be quiet. Look at all the speed measurements we have. How can you doubt that we have something here."

For years and years they tweaked and fiddled and fumbled and bumbled. Until suddenly they realised that the car was moving because it was on top of a hill. It was moving because it was rolling down the hill. How could they not have seen! And then they became very, very sad, as they realised that the out of towner had a point after all, and they had wasted all those years.

It turned out that the out of towner had lived in a place call 'hill country' and had often seen things rolling down hills but the people who lived in 'flat land' had never ever seen a hill and didn't believe such a thing could exist. The persistent person had said years before "It is all theory. We are working on something shiny and new. How can your out of town old world knowledge help us ?". Well now you know.