IPC Subgroup
H03H 17/04 Recursive filters
Introduced: January 1980
Last revised: January 2006
Full Title
Networks using digital techniques > Frequency-selective networks > Recursive filters
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS