gatkins at blueyonder.co.uk
Mon Jan 17 13:50:47 CET 2011
On 17 Jan 2011, at 11:31, Justin Owen wrote:
> Hey all,
> Is there any reason or advantage - other than cost and PCB space -
> that someone would choose a passive multiple over an active/buffered
> multiple? Is it always one is better than the other - or is there a
> time and place for both - or it really matters not in the real world?
Multiples are passive, an active "multiple" is a unity gain mixer /
If the destination(s) is(are) high impedance, passive multiples will
work, however modules with a lower input impedance will load the
source hence the need for active mixing.
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