In this oscillator circuit using 3 TTL inverters we have all the conditions for the frequency calculation. Power must be supplied with 5 V. The circuit is from an American TTL documentation.
I found this circuit in a Popular Electronics from November 1993. It allows to use a 12 V x 1 A...
This interesting circuit is suggested by National Semiconductor and is based on an LH0062...
This high-power drive circuit for MOSFET excitation was obtained from the Texas Instruments...