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PCE
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DIFF Subgroup
H03G 5/10

having semiconductor devices

Introduced: September 1968

Full Title

Tone control or bandwidth control in amplifiers > Manually-operated control > in untuned amplifiers > having semiconductor devices

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • H03G 5/12 incorporating negative feedback IPC+CPC Available in IPC and CPC