IPC Main Group
H03H 7/00 Multiple-port networks comprising only passive electrical elements as network components
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
Scope Notes
Application references: Receiver input circuits Networks simulating a length of communication cable
10 direct subcodes
Child Classifications
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- H03H 7/01 Frequency selective two-port networks
- H03H 7/18 Networks for phase shifting
- H03H 7/24 Frequency-independent attenuators
- H03H 7/3 Time-delay networks
- H03H 7/38 Impedance-matching networks
- H03H 7/42 Networks for transforming balanced signals into unbalanced signals and , e.g. baluns
- H03H 7/46 Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H 7/48 Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
- H03H 7/52 One-way transmission networks, i.e. unilines
- H03H 7/54 Modifications of networks to reduce influence of variations of temperature