Multiple-port networks

Introduced: January 1980

Full Title

Networks using active elements > Multiple-port networks

Of 11 combined children, 10 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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H03H 11/025 CPC only CPC only
H03H 11/04 Frequency selective two-port networks since 1980 +8 CPC IPC+CPC Available in IPC and CPC
H03H 11/16 Networks for phase shifting since 1980 IPC+CPC Available in IPC and CPC
H03H 11/24 Frequency-independent attenuators since 1980 +1 CPC IPC+CPC Available in IPC and CPC
H03H 11/26 Time-delay networks since 1980 +1 CPC IPC+CPC Available in IPC and CPC
H03H 11/28 Impedance matching networks since 1980 IPC+CPC Available in IPC and CPC
H03H 11/32 Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns since 1980 IPC+CPC Available in IPC and CPC
H03H 11/34 Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source since 1980 +4 CPC IPC+CPC Available in IPC and CPC
H03H 11/36 Networks for connecting several sources or loads, working on the same frequency band, to a common load or source (phase shifters providing two or more output signals H03H11/22) since 1980 +3 CPC IPC+CPC Available in IPC and CPC
H03H 11/38 One-way transmission networks, i.e. unilines since 1980 IPC+CPC Available in IPC and CPC
H03H 11/40 Impedance converters since 1980 +1 CPC IPC+CPC Available in IPC and CPC