[sdiy] Non-inverting output buffer

[David G. Dixon]

...Of course, I'm assuming a +/-15V supply here...

> For example, a 1k resistor inside the junction will only limit the
> short-circuit current to about +/-13.5V/1k = +/-13.5mA regardless of the
> input , while that same resistor outside the junction will limit the
> current
> to V_in/1k.
> 
> Indeed, 75R does not really provide any short-circuit protection, since
> the
> output current would be +/-13.5V/75R = +/-180mA, which is well beyond the
> current which most opamps can generate.