high freq vco

[Augusto Pinoche]

> > No its not, the oscillator core is current controlled,
> > in fact its a form of multivibrator.
> > It sincs current from a current source/mirror.
> > One side looks like a Triangle osc's charge and
> > discharge part, two fets open and closing.

>You usually don't see this in the datasheet, but there are things like 
>appnotes ;D

You "do" se this in datasheets if its contains this
type of information, appnotes seldom show this type
of info.

> > You can use BJ's idea to do a triangle OSC but my
> > idea here is why not ty the cap from pin 6 and to gnd
> > and pin 7 truh a 10k resistor to +V to get a triangle osc?
> > (wonder if i got that right?)
>
>There's a thougth. There is only one way to know - try it!
>Drop in a suitable resistor in series with the cap and you have the >high 
>end compensation...

And then you change the frequency as well.

>Oh, I did not find BJ's site anymore, I was just about to take a peek >at 
>the 4046 based VCO there... Swipnet seems to finally pulled the plug on it.

His page is at:
www.home.swipnet.se/~w-133242

For some resaons?

>But naturally you have the schematic, don't you ;D

No!

> > Just hook on a expo converter to pin 11 and VCO you go!
> > Use the CV input as a lin FM input, or shall we say PM
> > input folks?
>
>Um, I think the expo should hit pin 12, not pin 11. Pin 11 shoule be >N.C. 
>or possibly wired to pin 12 just to keep that MOSFET out of buissness.

Depends on what you want to do actually!

> > Regs from the
> > The Dictator
>
>Never knew that the dictator was so hot on DIY Synths ;D
Newer knew that the Magnus D was so hot on DIY Synths!

>Cheers,
>Magnus

Reg
The Dictator
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