IPC Subgroup
H03G 5/06 having discharge tubes
Introduced: September 1968
Last revised: January 2006
Full Title
Tone control or bandwidth control in amplifiers > Manually-operated control > in untuned amplifiers > having discharge tubes
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- CONTROL OF AMPLIFICATION
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- H03G 5/08 incorporating negative feedback