Hello Dieter Am 07.04.2016 um 11:49 schrieb yahoo@doepfer.de [Doepfer_a100]: > I had a discussion with other module manufacturers during the Superbooth and > we think about an expansion of the eurorack standard that includes also specs like minimum trigger length (1 ms or 5ms are under > discussion) and minimum gate/trigger levels. Some manufacturers voted for 3V (because they use internal controllers with 3.3V > supplies and want to keep the circuits as simple as possible) but I'd recommend at least 5V even if this requires additional level > shifters (for some of our modules these level shifters are 30% or more of the circuit, e.g. A-160-1/2, A-161). I'd vote for a threshold level as small as possible. The highest trigger voltages I know are 12V. To my experience even retriggering due to transient overshoots does not happen with such high trigger signals (on the usual cricuits) with a threshold down to 1 Volt. Looking at the 3.3V argument I'd vote for a threshold level of 2V too. About the minimum length I vote for 5ms, because it makes software based debouncing much easier. Florian
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Re: [Doepfer_a100] norm for clock level, was A157 clock input
2016-04-07 by Florian Anwander