| 1/00 | Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H 9/00) |
| 1/02 | Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H 9/00) RC networks, e.g. filters (structural combinations of capacitors with other electric elements H01G) |
| 2/00 | Networks using elements or techniques not provided for in groups H03H 3/00-H03H 21/00 |
| 3/00 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators |
| 3/007 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks |
| 3/013 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for obtaining desired frequency or temperature coefficient (H03H 3/04, H03H 3/1 take precedence) |
| 3/02 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezo-electric or electrostrictive resonators or networks (H03H 3/08 takes precedence) |
| 3/04 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezo-electric or electrostrictive resonators or networks (H03H 3/08 takes precedence) for obtaining desired frequency or temperature coefficient |
| 3/06 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of magnetostrictive resonators or networks |
| 3/08 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves |
| 3/10 | Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves for obtaining desired frequency or temperature coefficient |
| 5/00 | One-port networks comprising only passive electrical elements as network components |
| 5/02 | One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements |
| 5/10 | One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements comprising at least one element with prescribed temperature coefficient |
| 5/12 | One-port networks comprising only passive electrical elements as network components with at least one voltage- or current-dependent element |
| 7/00 | Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) |
| 7/01 | Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks |
| 7/03 | Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks comprising means for compensation of loss |
| 7/06 | Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks including resistors (H03H 7/075, H03H 7/09, H03H 7/12, H03H 7/13 take precedence) |
| 7/065 | Multiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/4) Frequency selective two-port networks including resistors (H03H 7/075, H03H 7/09, H03H 7/12, H03H 7/13 take precedence) Parallel T-filters |