Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H03F 1/28

in discharge-tube amplifiers

Introduced: September 1968

Full Title

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements > Modifications of amplifiers to reduce influence of noise generated by amplifying elements > in discharge-tube amplifiers

No child classifications to compare. This is a leaf node in both IPC and CPC.