This oscillator was found in a 1976 documentation. The no specified components indicate circuit timings in the range of 150 ns to 120 seconds. The supply must be made with 5 V.
This amplifier, common in 1986, uses a hybrid integrated circuit that can offer some difficulty to obtain...
Operational amplifiers with field effect transistors at the input are ideal for applications where...
In the figure we have the configuration of a voltage regulator with 3 transistors. The components depend...