DIFF Subgroup Additional Only
H03D 2200/0025 Gain control circuits
Full Title
Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D > Circuit elements of demodulators > Gain control circuits
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.