We found this circuit in a Texas Instruments documentation from the 80s. The circuit uses simple power source and the frequency depends on C1 and R1 basically.
This common configuration is one of many that can be found in this section using the 555. The...
The load on this amplifier is 8-ohm. We found the circuit in a 1972 Motorola amplifier manual. The...
This circuit is from an old Motorola manual (1999) using an integrated circuit that is not very...