Re: Grounding

Eeyore wrote:


John Larkin wrote:

Splitting planes implies an impedance between them, hence high
relative AC potentials between "grounds". That will generally cause a
lot more trouble than it cures.

Not in the case of audio. You have to be careful where those ground currents
flow.

Well, of course you have to be careful. But audio isn't very
demanding.


110+ dB dynamic range isn't demanding ?

Graham


Try the electrical side of a high-sensitivity EO system--those are 160 dB CNR in 1Hz sometimes, not to mention having to cope with big changes in carrier power. The signal power is quadratic in the optical power, which can be painful.

Cheers,

Phil Hobbs
.

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