BE756867A - Amplificateur de tension alternative a transistors a plusieurs etages, a contre-reaction et a amplification commutable - Google Patents
Amplificateur de tension alternative a transistors a plusieurs etages, a contre-reaction et a amplification commutableInfo
- Publication number
- BE756867A BE756867A BE756867DA BE756867A BE 756867 A BE756867 A BE 756867A BE 756867D A BE756867D A BE 756867DA BE 756867 A BE756867 A BE 756867A
- Authority
- BE
- Belgium
- Prior art keywords
- feedback
- voltage amplifier
- actual voltage
- stage transistor
- switchable amplification
- Prior art date
Links
- 230000003321 amplification Effects 0.000 title 1
- 238000003199 nucleic acid amplification method Methods 0.000 title 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
- H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
- H03G3/12—Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback
-
- 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
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691949321 DE1949321B2 (de) | 1969-09-30 | 1969-09-30 | Mehrstufiger gegengekoppelter in der Verstärkung umschaltbarer Wechselspannungs transistorverstärker |
Publications (1)
Publication Number | Publication Date |
---|---|
BE756867A true BE756867A (fr) | 1971-03-30 |
Family
ID=5746933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE756867D BE756867A (fr) | 1969-09-30 | Amplificateur de tension alternative a transistors a plusieurs etages, a contre-reaction et a amplification commutable |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT312056B (enrdf_load_stackoverflow) |
BE (1) | BE756867A (enrdf_load_stackoverflow) |
CH (1) | CH515654A (enrdf_load_stackoverflow) |
DE (1) | DE1949321B2 (enrdf_load_stackoverflow) |
FR (1) | FR2062835A5 (enrdf_load_stackoverflow) |
GB (1) | GB1257277A (enrdf_load_stackoverflow) |
SE (1) | SE363551B (enrdf_load_stackoverflow) |
-
0
- BE BE756867D patent/BE756867A/xx unknown
-
1969
- 1969-09-30 DE DE19691949321 patent/DE1949321B2/de not_active Withdrawn
-
1970
- 1970-09-29 AT AT879170A patent/AT312056B/de not_active IP Right Cessation
- 1970-09-29 SE SE1317670A patent/SE363551B/xx unknown
- 1970-09-29 CH CH1435070A patent/CH515654A/de not_active IP Right Cessation
- 1970-09-29 GB GB1257277D patent/GB1257277A/en not_active Expired
- 1970-09-30 FR FR7035411A patent/FR2062835A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT312056B (de) | 1973-12-10 |
DE1949321B2 (de) | 1973-11-15 |
FR2062835A5 (enrdf_load_stackoverflow) | 1971-06-25 |
DE1949321A1 (de) | 1971-04-01 |
CH515654A (de) | 1971-11-15 |
SE363551B (enrdf_load_stackoverflow) | 1974-01-21 |
GB1257277A (enrdf_load_stackoverflow) | 1971-12-15 |
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