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.
We find this circuit in an 80s operational amplifier documentation. The circuit applies to any...
Using a CMOS 4001, this circuit provides frequency readings on an analog instrument. The idea of...
In the figures we have an infrared transmitter with a BC337 switching transistor that must be...