[sdiy] THE LM13600/LM13700 STORY

[Todd Sines]

drool.

my obsession for phasers and chorus circuits is thankfully answered  
by mr Haible again.

can't wait! truly inspirational.


+odd
--
On Jul 10, 2007, at 6:41 PM, JH. wrote:

>> OK, so what do you use for a CA3280 replacement? <G>
>
> The 3280 was so hard to get in Germany for many years, that I  
> _always_ had
> to work around it somehow!
>
> Now I have a drawer of them, and have used them occasionally.
>
> But I also started to make pcbs for all kind of stuff, and in order  
> not  to
> sell PCBs that cannot be populated by those who buy them, I'm very  
> reluctant
> to use anything slightly exotic at all.
>
> Curently making a layout for a stereo chorus without BBDs ... with a
> Hammond-Linebox style tapped delay line and two scanners that work in
> opposite direction, creating the 180deg out of phase modulation  
> that's found
> inside practically all Roland chorus circuits, including the famous
> Dimension D.
> And such a simple thing as the VCLFO will go without an OTA now,  
> using a
> good old discreete circuit.
> The VCAs that are used for scanning will be made from discrete  
> transitor
> pairs anyway.
>
> JH.
>
>
>
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