We found this circuit in an Electronic Design. The main integrated circuit is the 4017. The frequencies are determined by the RC circuits as well as the duration of the generated pulse train.
We found this circuit in 1964 General Electric documentation. The circuit works with mechanical...
This circuit with a supply voltage of only 2.5 V was found in a 2005 Linear Technology...
In this oscillator a phase shift network formed by C1, C2, C3 and R1, R3, R4 determine the fase...