NL109834C - - Google Patents
Info
- Publication number
- NL109834C NL109834C NL109834DA NL109834C NL 109834 C NL109834 C NL 109834C NL 109834D A NL109834D A NL 109834DA NL 109834 C NL109834 C NL 109834C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- 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
- H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL222115 | 1957-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL109834C true NL109834C (nl) |
Family
ID=19751023
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL109834D NL109834C (nl) | 1957-11-04 | ||
| NL222115D NL222115A (nl) | 1957-11-04 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL222115D NL222115A (nl) | 1957-11-04 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH372713A (nl) |
| NL (2) | NL222115A (nl) |
-
0
- NL NL109834D patent/NL109834C/xx active
- NL NL222115D patent/NL222115A/xx unknown
-
1958
- 1958-11-01 CH CH6568358A patent/CH372713A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL222115A (nl) | |
| CH372713A (de) | 1963-10-31 |