Multiple-port networks comprising only passive electrical elements as network components

Introduced: September 1968

Of 13 combined children, 10 exist in both systems.

3 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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H03H 2007/006 2nd only +1 CPC CPC only CPC only
H03H 7/002 CPC only CPC only
H03H 7/004 CPC only CPC only
H03H 7/01 Frequency selective two-port networks since 1980 +8 CPC IPC+CPC Available in IPC and CPC
H03H 7/18 Networks for phase shifting +1 CPC IPC+CPC Available in IPC and CPC
H03H 7/24 Frequency- independent attenuators IPC+CPC Available in IPC and CPC
H03H 7/30 Time-delay networks IPC+CPC Available in IPC and CPC
H03H 7/38 Impedance-matching networks +2 CPC IPC+CPC Available in IPC and CPC
H03H 7/42 Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns +2 CPC IPC+CPC Available in IPC and CPC
H03H 7/46 Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source +4 CPC IPC+CPC Available in IPC and CPC
H03H 7/48 Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (phase shifters providing two or more output signals H03H7/21) +3 CPC IPC+CPC Available in IPC and CPC
H03H 7/52 One-way transmission networks, i.e. unilines IPC+CPC Available in IPC and CPC
H03H 7/54 Modifications of networks to reduce influence of variations of temperature since 1980 IPC+CPC Available in IPC and CPC