DIFF Subgroup Additional Only
H03B 2200/004 including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor
Full Title
Indexing scheme relating to details of oscillators covered by H03B > Circuit elements of oscillators > including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor
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.