This bargraph circuit is from an ancient American documentation. It indicates the charge state of a set of 4 batteries from 9.6 to 5.2 V.
The circuit in the figure causes an incandescent lamp to flash at a speed determined by the...
All the components used in this 1997 circuit are still common in our market. The circuit must be...
This power supply has a resolution of 10 pA in the current range from -100 to +100 nA. The circuit is...