Driver for piezo micropositioner (CB8118E)

Found in an Electronic Design from the 90s, this circuit uses a component of the time, difficult to obtain today.

Precision Booster (CB9000E)
Found in a 1980s publication, this circuit uses an operational amplifier from that time. The...
Electronic Fuse (CB10445E)
This circuit was published in an Italian magazine Radio Elettronica in February 1976. The...
5 mA Constant Current Source (CB25615E)
This constant current circuit was found in the October 1993 Electronics Now magazine. The current can...