Found in a 1966 American publication, this circuit invert the phase of a low frequency signal. The circuit has an intensity adjustment.
This power supply was originally created for the CB16760E (Loudness System) but can be used in any...
Found in 1980s Electronic Engineering, this circuit uses common phototransistors as sensors. The...
This simple, unregulated power supply with an approximate 6 V output voltage can supply currents up to...