BE429918A - - Google Patents
Info
- Publication number
- BE429918A BE429918A BE429918DA BE429918A BE 429918 A BE429918 A BE 429918A BE 429918D A BE429918D A BE 429918DA BE 429918 A BE429918 A BE 429918A
- Authority
- BE
- Belgium
- Prior art keywords
- tube
- sound intensity
- power
- useful power
- devices
- Prior art date
Links
- 230000007423 decrease Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/02—Manually-operated control
- H03G3/04—Manually-operated control in untuned amplifiers
- H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
Landscapes
- Amplifiers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429918A true BE429918A (forum.php) |
Family
ID=90009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429918D BE429918A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE429918A (forum.php) |
-
0
- BE BE429918D patent/BE429918A/fr unknown
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