2MHz astable (CB9102E)

This TTL circuit can be used as a shield. The frequency can be changed by changing the capacitors.

High Impedance Differential Amplifier (CB12168E)
This differential amplifier with high input impedance is used in instrumentation. Other...
RMS Current Meter (CB5386E)
This circuit makes use of a commercial type current transformer. The circuit is from a 2005 Linear...
Double Action Timer (CB13166E)
The configuration shown in the figure has been requested a lot by many readers who need a circuit...