IPC Main Group
H03H 17/00 Networks using digital techniques
Introduced: January 1980
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
2 direct subcodes
Child Classifications
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- H03H 17/02 Frequency-selective networks
- H03H 17/08 Networks for phase-shifting