Test circuit to evaluate performance of OR/NOR gate
This is a model of a commercial OR/NOR gate built from thirteen
vertically diffused NPN bipolar transistors [1: p.244].
Experimentation:
Simulate the model during 30 microseconds. Plot the two input
voltages, vA and vB, together with the two output
voltages, vOR and vNOR, on a single plot.
Simulation Results:
We expect the following results:

References:
- Cellier, F.E. (1991), Continuous System Modeling,
Springer-Verlag, New York, ISBN: 0-387-97502-0, 755 p.
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