This circuit was found in the February 1997 issue of Electronics Now magazine. The frequencies depend on the crystal and other tuned circuits.
This power supply can supply voltages from 3 to 9 V and is very useful on the bench. The maximum...
This circuit sources a Constant current to a load. The current is determined by R2. In the...
This circuit can shift the phase of a signal from 0 to 360º. FETs admit equivalents and the...