MOSFET Switches (CB21260E)

These are drive circuit using power MOSFETs. We found it in a Popular Electronics from the 90s.

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Alternating Current Electrolytic (CB4613E)
We can use high value electrolytic capacitors in alternating current circuits with the...
MOSFET trigger (CB21455E)
This Schimitt trigger with MOS transistors was found in an old American documentation. Modern...
High impedance preamplifier stage (CB4683E)
In the figure we have a high input impedance stage with a general purpose PNP transistor. An NPN transistor...