This circuit was found in the April 1978 Radio Electronics magazine. The power supply must be symmetrical, and the maximum operating frequency is around 100MHz.
This circuit indicates the logical level of a CMOS circuit, extracting the power from the circuit...
The circuit of the figure serves the same purpose as the previous one (CB5057E), but has a...
The oscillator in figure 1 can be used in alarm, call or warning systems, producing a sound of...