This circuit for very low frequencies was found in an American documentation from the 90's. Transistors are for general use and the frequency depends on C1 and C2.
Author: Newton C. Braga Published:July 8, 2016 Formato:Book and e-Book Pages:...
The circuit illustrated in the figure can supply currents of up to 3 A under 12 V voltages with...
This circuit was found in a 1967 Motorola manual. Its purpose is to provide a very accurate...