This circuit incorporates the passive control of the previous circuit and was also found in the March 1995 Electronics Now magazine. The power supply must be symmetrical.
This circuit, found in a 1980 publication, limits the amplitude of the output signal to a value...
This VFO was found in a 1980s documentation. The central frequency is given by the crystal and the...
This traditional complementary configuration is from 1990 documentation. The transistors must have...