This circuit protects galvanometers that are excited by low impedance amplifiers. The circuit is from na old Electronic Design. The components are from the era.
This circuit was suggested in an article in Radio Electronics magazine in January 1992. Other...
The presence of C1 in this circuit from a 1977 publication, reduces surges. The circuit is for 30 V...
This simple transistorized game that appears in other versions in this section and website, was...