MOTM

I put together a small circuit out of spare parts to sequence
the second MOTM-960 distribution board.  A simple DPST relay and
a LMC555 timer delays power 1~2 seconds to half of the modules.
Just have it running on the bench so far. - Dave

DJB Power Sequencer
http://modularsynthesis.com/modules/modules.htm


--- In motm@yahoogroups.com, Scott Juskiw <scott@t...> wrote:
>>It's not the steady-state load, it's charging up all the caps
>>on the boards. The current in the first 100ms is probably 1A
>>or so.
>>
>>No real easy solution.....power sequencing is the best.
> 
>An overkill solution might be some kind of relay circuit with 
>pseudo-random delay times (using different resistor values to charge 
>up the caps) on each of the MTA connectors. Like on a Yammy TX816 
>when power is applied and then a second later you hear 8 relays 
>click, but not all at the same time.