FR837622A - Gain control systems for wave amplifying devices - Google Patents
Gain control systems for wave amplifying devicesInfo
- Publication number
- FR837622A FR837622A FR837622DA FR837622A FR 837622 A FR837622 A FR 837622A FR 837622D A FR837622D A FR 837622DA FR 837622 A FR837622 A FR 837622A
- Authority
- FR
- France
- Prior art keywords
- gain control
- control systems
- amplifying devices
- wave amplifying
- wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
- H04B3/12—Control of transmission; Equalising by pilot signal in negative-feedback path of line amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB205686X | 1937-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR837622A true FR837622A (en) | 1939-02-15 |
Family
ID=10148066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR837622D Expired FR837622A (en) | 1937-05-07 | 1938-05-06 | Gain control systems for wave amplifying devices |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH205686A (en) |
FR (1) | FR837622A (en) |
GB (1) | GB495058A (en) |
NL (1) | NL50007C (en) |
-
0
- NL NL50007D patent/NL50007C/xx active
-
1937
- 1937-05-07 GB GB13102/37A patent/GB495058A/en not_active Expired
-
1938
- 1938-05-03 CH CH205686D patent/CH205686A/en unknown
- 1938-05-06 FR FR837622D patent/FR837622A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB495058A (en) | 1938-11-07 |
NL50007C (en) | |
CH205686A (en) | 1939-06-30 |
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