This 50% duty cycle configuration was found in a Popular Electronics from the 1990s. The operating frequency is given by C1.
This is the typical circuit of an FET amplifier stage in the common source configuration. The circuit is...
This circuit is interesting for experiments and can be part of the bench in the form of a module. The...
This oscillator can use any CMOS inverter. The circuit is crystal controlled and was found in the...