Found in a 90’s 73 magazine for radio amateurs, this circuit provides a few milliamps of output with -15 V from a 3 V input, when the consumption will be 10 mA.
The 78XX series voltage regulator integrated circuits do not support an input voltage greater than...
This circuit is from a 2001 documentation used for old analog televisions. However, if the reader...
November 2016 - The new self-adhesive surface temperature sensors of the Amphenol JS series can...