The HV2405E integrated circuit is not very common these days. This circuit was found in the August 1998 issue of Electronics Now magazine. The current is a few tens of milliamps.
This configuration, which uses a transistorized circuit in the feedback, provides a logarithmic response...
This ultra-simple test circuit is of great use in any electronics bench. The power is supplied by a...
This circuit was found in a 1977 documentation. It limits the voltage from a source using zener...