This circuit indicates the logical level of a CMOS circuit, extracting the power from the circuit being analyzed. The circuit is from an American magazine from the 90s.
Using L144 operational, this circuit applies to other equivalent operational. The circuit is from...
This circuit has a gain of 34 dB and a good power to be used as an audio booster in cars. The...
The circuit shown in the figure can be implemented with more modern equivalent operating systems. We...