The LH1605 integrated circuit is not a common component today. The circuit was found in the 1994 National Semiconductor Linear Applications Handbook.
For times in the range of seconds to a few minutes we found this timer with the CK722 in a Radio...
We found this circuit in an old American publication. It is possible to test common FETs using a...
This circuit causes a small pilot lamp or a 6 V torch to light up when ambient lighting is...