Yahoo Groups archive

Cgs synth

Index last updated: 2026-04-28 23:16 UTC

Message

Re: Morph-Lag

2009-10-12 by Ove Ridé

2009/10/12 Andrew Scheidler <oozitron@...>:
> Building a Morph-Lag, and have two questions:
>
> 1) The PCB specifies that C1 (see schemo below) is a "5uF MYLAR". Will a standard poly cap work OK? Or some other type?
>
It's a simple low pass filter so I'd guess the type is non-critical,
except that it can't be any polarized type. A polarized capacitor will
get charged in reverse and explode (worst case scenario) or leak
current if you charge it in the wrong direction. (Best case scenario)
Also, I wonder why it says 5 uF rather than 4.7 uF. (Which is a
standard E12 series value) Nothing wrong with it, just peculiar.

> http://www.wiseguysynth.com/larry/schematics/Morph-Lag/Morph-Lag.gif
>
> 2) If I was to use 500k pots for the Attack & Decay (instead of the 1M specified), would that just limit the max lag to a shorter time?
>
Correct. Because of the way the pot is connected, the 500k max value
is just a subset of the full 1M range.

--
/Ove

-----BEGIN 2ROT13 MESSAGE-----
Blog:
<http://gameboygenius.8bitcollective.com/>
SKRIVA på Lysator. Ditt Ahrvid-fria alternativ:
<http://lists.lysator.liu.se/mailman/listinfo/korkek?SKRIVA?>
Sätt på ett par flipflops, vippa på rumpan
och gör det här till en minnesvärd sommar!
-----END 2ROT13 MESSAGE-----

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.