SV: Re: SV: [sdiy] Re: (sdiy) English lessons

[karl dalen]

Halleualia! I always forget something!

The saw and PW has to be in opposite phase for this to work!

KD

--- karl dalen <dalenkarl at yahoo.se> skrev:

> Folks!
> 
> You dont need any super specialized clipping things,
> nor any 4000gates for supersharp edges (even if its nice to have,
> well if you want absolute precision it can be neat to have , 
> but the rounding of the saw wave, and retrace time at high
> frequencies will "showel bang" it up anyway) no specialized
> CV inputs for phase! (who asked for that?) ugh, and ugh again!!
> 
> You need:
> 1: a saw wave, 0 to +5v or 10V in peak unipolar or bipolar.
> 2: a PW wave ,0 to +5v or 10V in peak unipolar or bipolar.
> 3. add them with 100PW/50saw blend in amplitude and you get saw phase
> shifting.
> 4: add them 100saw/100PW and you get phase shifting saw wave, 0-180 degrees.
> 5: The sawphase wizzard has spoken,thank you very much! :-)
> 
> After words:
> In any additive wave thing in wich phased saw waves actuaclly are
> wave amplitude are the crucical inferno. So dont base your phase
> waves on the asumption of stable power supplies! ugh!.
> Its very simmliare to the basic saw to triangle converters!
> 
> > The problem is that the first op-amp acts as a comparator, so that may
> > confuse
> > the hell out of you if your model does not saturate. The assumed supply
> > voltage
> > is +/- 15V, which is "all over the schematic" ;O)
> > 
> > KD tried it ages ago, and then it worked well! ;O)
> 
> Right, ages and ages ago! Ooh, now im starting to feel very old and crippled!
> 
> Reg
> KD
>