This circuit was found in February 1976, Radio Electronics magazine. The circuit is quite sophisticated using a fast-acting (thermometric) sensor and analog indicator.
This circuit was found in an Electronics World of 1969. The circuit has a drain current of...
This circuit makes use of the Linear Technology LT6100. We find it in a 2005 company manual. The...
I found this circuit in an English publication from 1989. This configuration can be mounted with...