This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
The TL431 integrated circuit consists of a programmable shunt regulator with an internal...
With this circuit, from a 1991 publication, it is possible to regulate the output of a symmetric source...
The frequency of this oscillator depends on the inductor and capacitors in parallel with it. In...