[Ronja] Video amp

Karel Kulhavy twibright at hispeed.ch
Thu Jun 4 16:19:51 BST 2009


---- "A. B." <bio5 at hotmail.com> schrieb:
> 
> 
> > > Karel,
> > > 
> > > 
> > > 
> > > According to the site they no longer manufacture it but some seem to be still in stock, I hope to be able to get one.
> > 
> > Active means no more manufactured but still in stock? I thought
> > it means that it's manufactured.
> > 
> > > 
> > > 
> > > 
> > > Also can u please provide me with detailed info about the new mundaka, im on going to start working on a 100M ronja yet i want to see the 10M working first, so i would gladly help in developing the Mundaka
> > 
> > http://ronja.twibright.com/technotes/mundaka.php
> > 
> > I can't imagine a way of help now. The work that has to be done is
> > all on the one physical prototype that I have at home and building
> > another one is relatively a lot of work because it's partially SMD airwire with tight parasitic inductance requirements. 
> > Special purpose-built scope probes have to be used, shielding and filtering is critical.
> > 
> 
>  
> 
> So if I got u right,, the design is complete but the problems are in the implementation only? I should give it a try then, and anyway 

No the design is not complete and there are no problems in implementation.

> any prototype would be built with air wires before pcb implementaion, if only air wires are the problem then that can be overcome. But why cant the regular scope probs be used?

The regular scope probes have too much load capacitance and too much
parasitic inductance on the ground lead.

Karel
> 
>  
> 
>  
> 
> A last thig, will u please arrange ure technotes site better than it is now, why dont u make it that when u go to the page u find a list of all possible technotes instead of the current design that doesnt show what are the currently available technotes?

I don't understand you here.

Karel




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