This circuit was found in 80's documentation from Analog Devices. The formulas for calculating the components as a function of frequency are given next to the diagram.
The CMOS 4046 integrated circuit is seldom used, both due to the difficulty of finding it and the...
This circuit was obtained in a documentation for radio amateurs in 1974. The coil consists of 12...
E) The interesting thing about this circuit found in a 1985 English magazine is that it controls the...