Half Wave Fast Rectifier (CB5160E)

This 80's circuit can be made with current comparators. Rectification accuracy is 1% DC up to 100 kHz.

Light Linear Meter (CB5304S)
This sensor circuit was found in an American 1980s documentation. Modern operational amplifiers can...
Active Tone Control (CB794E)
This treble and bass control drains some milliamperes from a 12 V supply and can be used with any...
TPS7A19 Linear Regulator with Low Voltage Drop (COM189E)
January 2017 - Texas Instruments' new TPS7A19 Low Voltage Dropout (LDO) linear regulators are now...