[sdiy] Moog ladder (Re: making 2 or 3 dollars an hour...)

[Aaron Lanterman]

> At 01:17 PM 12/2/2008, Robert Lorentz wrote:
>> ... Did Roland pay Moog (or even credit
>> him) when they used his ladders?  Do most people today?
>
> It was patented, so Roland couldn't have used it *exactly* without  
> legal trouble. (Or did they?)

Most of the Roland ladders are actually diode ladders, or transistors  
used as diodes, like in the EMS filters.

They have a different pole migration pattern than the original Moog  
ladder. Tim Stinchcombe has a great paper on all that.

- Aaron