| design of a physical unit or a device so that the output variable does not change its value if the output is burdened with the inputs of other physical units or devices|
EXAMPLE 1 outputs for phantom circuits
EXAMPLE 2 outputs with tristate characteristic
EXAMPLE 3 diode-decoupled outputs.
Note 1 to entry: This entry was numbered 351-32-28 in IEC 60050-351:2006.