Current Monitor with Isolated Output (CB5249E)

This 48 V circuit with a capacity of up to 105 V was found in a 2005 Linear Technology manual. The circuit uses an optical coupler for interfacing.

Short Circuit Protection for the Bench (CB3821E)
This circuit uses a contactor having been found in a 1987 publication. More modern equivalent...
One second with Accuracy (CB1536E )
This circuit was found in a 1977 Radio Shack documentation. Its purpose is to generate 1 Hz...
Tone Decoder (CB5146E)
This circuit was found in a 1980s documentation. It decodes by identifying a certain frequency tone...