This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
) This circuit was found in an English publication in 1990. It can still be easily assembled using a...
This circuit was found in a Radio Escuela Gráfica magazine from Argentina published in the 70's....
With this circuit, from an Argentine publication from 1973, 12 V continuous output can be obtained...