2 ms·
That's pretty fascinating, but I don't understand how this works from a purely thermodynamic POV. If the signal is being amplified, where is the extra energy co
by askvictor 9y ago
That's pretty fascinating, but I don't understand how this works from a purely thermodynamic POV. If the signal is being amplified, where is the extra energy coming from? Does it deplete the material? Is it like boosting voltage at the expense of current?
- amazon_not 9y agoLonghaul subsea fiber optic cables have a conductor in them that carries a high voltage DC current that powers the amplifiers on the cable route.