Balanced / Differential Input Question
I want to clarify what the difference is between
differential and balanced.
I see various types of input stages, some
are single ended input (+sig and ground)
called "differential amplifier input stage" as
Then I see differential input balanced as shown here;
Is this statement true?
I can design a differential input stage that is either
has balanced or unbalanced inputs ?
Last question, there seems to be alot of pro
equipment with 600 ohm balanced outputs,
is this the industry standard to allow best
interfacing from one equipment to another
to minimize noise from long cable runs ?
Systems with 600 ohm output, is best performance
achieved if you connect it to a 600 ohm input
or can the input he 10k ohm balanced?
Do people concern themselves with the 600 ohm
design when doing home audio or is it just limited
to the prosound/broadcast industries?
Re: Balanced / Differential Input Question
If it is true what tiroth says, that the output is able to drive 600 ohm loads I'll be really surprised! A 600 ohm input impedance is very low.. Haven't ever seen it though.
Several people explained to me the 600 ohms 'standard' isn't a standard at all, and people who don't do their design work allright use this.. So, I don't think people should design to this..
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