The one port
networks discovered so far have been passive, they absorb energy from the
source. In contrast, active networks include energy sources. A valuable method
for representing active networks by simpler equivalents is described in the
following statement of Thevenin’s theorem:
networks discovered so far have been passive, they absorb energy from the
source. In contrast, active networks include energy sources. A valuable method
for representing active networks by simpler equivalents is described in the
following statement of Thevenin’s theorem:


