This analog ammeter circuit was found in documentation from the 1980s. The components admit equivalents and the scales are determined by the values of the components in the range selection.
The circuit shown in the figure activates a small indicator lamp that will start to flash when the...
This powerful regulator, shown in the figure is for 5V (TTL) is suggested by Motorola and makes use...
This circuit is from a 1970 publication, having been implemented with germanium PNP transistors. We can...