MOTM

Well, add it with positive or negative polarity. In the case of a dc 
signal, you are adding negative offset. Is that what you meant?

Moe

--- In motm@y..., elhardt@a... wrote:
> synth1@a... writes:
> 
> >>* 2 reversing attenuators (1 in each mixer)<<
> 
> Am I to understand that this will allow us to subtract a signal 
from the mix?
> 
> -Elhardt