Found in a 90’s Popular Electronics, this circuit uses two CMOS inverters to generate a signal of a few hundred hertz determined by C1 and the R3 setting.
September 2017 - Mouser Electronics announces the availability of new MIC28514T series DC-DC...
For inductive loads we have the configuration shown in the figure. Note that the optical coupler...
We find this circuit in a radio amateur publication of 1977. Its purpose is to measure the...