[sdiy] Reducing maximum current through analog switches in ASM-2 ADSR

[Simon Brouwer]

Referring to: http://www.elby-designs.com/asm-2/adsr/adsr1-asm2-cct.pdf

According to the data sheet of  ON Semiconductor MC14053B, the typical 
on resistance of a switch at 15V power supply is 80 ohm.
So at minimum attack time setting, the total resistance between +15V and 
C401 could be 90 ohm.

This means that when C401 is empty, an initial current is flowing of 167 
mA. However, according to the datasheet, absolute maximum rating for 
current through a switch is 25 mA.

So I'm thinking of changing R405 to something like 560 ohm and adding 
resistors of 330 ohm in series of the decay and release pots.

What do you guys think? The minimum attack time would become about 3 to 
4 ms. Is that something to be content with that or should I aim for a 
shorter attack time?

-- 
Vriendelijke groet, 
Simon Brouwer. 

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