Operating in the range of 3 to 100 MHz, this circuit was found in documentation from the 70s. Observe the coil. The field effect transistor is a component of the era.
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...