This circuit, found in a 1958 magazine, is for reference only, since the components are not easy to find today. The transistors are germanium types and power supply is made by common cells.
The circuit shown has the component values calculated for a frequency of 1 kHz. TL064 can also be...
Voltage regulators from 5 to 15 V for currents of 1 A, can be easily obtained in the form of...
The frequency of this astable multivibrator depends not only on the capacitors, but also on the...