ASM1 ADSR Idea

[Steven Cook]

Hi,

With regard to the ASM1 ADSR, would the following modification work?

Replace the 4002 dual 4 input NOR with a 4025 triple 3 input NOR. This gives a
spare gate which is wired as an invertor to replace U2. U2 is then used as a
comparator wired between the top of the sustain pot and the output of the
ADSR. The sustain peak trimmer is replaced by a fixed resistor - say 47k - to
give a peak attack / sustain of about 10v.

This would (If it works!) remove 2 trimmers and all setting up without any
increase in parts count.

Any problems?

Steve.