[sdiy] EG's

[studio271]

Yes, I'll second that... Got a few of them as well and using 7555s 
made a huge difference in PSU voltage drops... Also try using 
7556s if you wanna save board space...

- Drew

----------------------
Hi Niklas,


I have several 555-based EGs and they work quite well.  


One hint:
Buy 7555 timers instead of the 555.  Even with very good R/C 
decoupling the
555 caused  voltage drops on my powersupply lines that would cause 
pitch
changes to the VCOs and VCFs in my modular.  Swapping to the less
power-hungry 7555 cured the problem.  


Dave Magnuson 

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