CPC Subgroup
H03F 1/12 by use of attenuating means
Full Title
Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements > Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements (wide-band amplifiers with inter-stage coupling networks incorporating these impedances H03F1/42) > by use of attenuating means
1 direct subcode
Child Classifications
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- H03F 1/13 in discharge-tube amplifiers