Mixing 4 audio channels to 3?
On Wed, 26 Oct 2011 21:17:16 -0700, DaveC wrote:
Yes the caps are necessary, but for the amp IC, not for the mixer.
House them together and its the same difference, house them apart and
the distiction matters.
NT
This is unclear to me.
Do you mean that if the mixer resistor matrix is housed close to the amp IC
that the capacitors won't be needed? And if they are separated and connected
by shielded audio cables that the caps will be needed?
Thanks.
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Since the chip is being powered by single positive DC supply, The
only way to get signals which swing below ground into and out of the
chip is to use capacitive coupling.
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JF
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