BE490687A - - Google Patents
Info
- Publication number
- BE490687A BE490687A BE490687DA BE490687A BE 490687 A BE490687 A BE 490687A BE 490687D A BE490687D A BE 490687DA BE 490687 A BE490687 A BE 490687A
- Authority
- BE
- Belgium
- Prior art keywords
- transformer
- amplifier
- assembly
- reactance
- adjustable
- Prior art date
Links
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
- H03G3/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
Landscapes
- Amplifiers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490687A true BE490687A (cs) |
Family
ID=135348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490687D BE490687A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE490687A (cs) |
-
0
- BE BE490687D patent/BE490687A/fr unknown
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