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PCE
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DIFF Subgroup
H03H 7/01

Frequency selective two-port networks

Introduced: January 1980

Full Title

Multiple-port networks comprising only passive electrical elements as network components > Frequency selective two-port networks

CPC subdivides this area 2x more granularly than IPC with 8 additional codes.

8 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • H03H 2007/013 2nd only CPC only CPC only
  • H03H 2007/0192 2nd only CPC only CPC only
  • H03H 7/0107 CPC only CPC only
  • H03H 7/0115 CPC only CPC only
  • H03H 7/0123 CPC only CPC only
  • H03H 7/03 comprising means for compensation of loss since 1980 IPC+CPC Available in IPC and CPC
  • H03H 7/075 Ladder networks, e.g. electric wave filters since 1980 IPC+CPC Available in IPC and CPC
  • H03H 7/09 Filters comprising mutual inductance since 1980 IPC+CPC Available in IPC and CPC
  • H03H 7/12 Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency (H03H7/09 takes precedence) IPC+CPC Available in IPC and CPC
  • H03H 7/13 using electro-optical elements since 1980 IPC+CPC Available in IPC and CPC