Figure 8-2 Alternate
Solution Requires 32 Passive Components and One Extra 6-V Regulator to Suppress
Injection Current Into a Standard ’HC4051 Multiplexer
Figure 8-3 Solution
by Applying the ’HC4851 Multiplexer
Figure 8-4 Diagram
of Bipolar Coupling Mechanism (Appears if VIN Exceeds VCC,
Driving Injection Current Into the Substrate)