This benchtop equipment was found in Radio Electronics magazine from April 1960. The two double valve circuit is powered from mains power.
This voltage doubler is indicated for applications where a voltage equal to twice that applied at the...
This interesting circuit found in a European publication from the 1990s eliminates the voice that...
Obtained in a 1969 Ferranti documentation, this circuit dissipates only 2.2 mW with 4.5 V. The...