This window comparator circuit was found in a Popular Electronics from the 90s. The circuit has a multiple adjustment input network to determine the operating ranges.
The integrated circuits used in this 1999 project are not very common today. However, they can be...
This 3-digit thermometer, suggested by Texas Instruments, uses 3 integrated plus the display, with...
This circuit is from the National Semiconductor FET Databook. The coil data is provided with the...