DIFF Subgroup
H03H 11/12 using amplifiers with feedback ( , H03H11/08, H03H11/10 take precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: using amplifiers with feedback
CPC: using amplifiers with feedback ( , H03H11/08, H03H11/10 take precedence)
Full Title
Full titles differ between systems:
IPC:
Networks using active elements > Multiple-port networks > Frequency selective two-port networks > using amplifiers with feedback
CPC:
Networks using active elements > Multiple-port networks > Frequency selective two-port networks > using amplifiers with feedback ( , H03H11/08, H03H11/10 take precedence)
Of 7 combined children, 0 exist in both systems.
7 codes are CPC-only extensions.
Child Classifications
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