Patent classifications
H
ELECTRICITY
Load children
H03
ELECTRONIC CIRCUITRY
Load children
H03F
AMPLIFIERS
Load children
1/00
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
Load children Filter patents View analytics View as hierarchy
H03F1/56
Modifications of input or output impedances, not otherwise provided for
Load children Filter patents View analytics View as hierarchy
H03F1/565
using inductive elements
Filter patents View analytics View as hierarchy