BE567879A - - Google Patents
Info
- Publication number
- BE567879A BE567879A BE567879DA BE567879A BE 567879 A BE567879 A BE 567879A BE 567879D A BE567879D A BE 567879DA BE 567879 A BE567879 A BE 567879A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- transistor
- amplifier
- emitter
- amplification
- Prior art date
Links
- 230000003321 amplification Effects 0.000 claims description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- 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
- H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
-
- 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
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3063—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one transistor as controlling device, the transistor being used as a variable impedance device
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1209160X | 1957-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE567879A true BE567879A (enrdf_load_html_response) |
Family
ID=4563117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE567879D BE567879A (enrdf_load_html_response) | 1957-05-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE567879A (enrdf_load_html_response) |
| CH (1) | CH350993A (enrdf_load_html_response) |
| DE (1) | DE1071136B (enrdf_load_html_response) |
| FR (1) | FR1209160A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105942A (en) * | 1958-12-12 | 1963-10-01 | Philips Corp | Automatic gain control amplifier system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1247405B (de) * | 1960-06-09 | 1967-08-17 | Telefunken Patent | In einem weiten Bereich regelbarer einstufiger Transistorverstaerker |
| DE1132975B (de) * | 1960-11-23 | 1962-07-12 | Wolfgang Assmann G M B H | Regelschaltung fuer transistorisierte Verstaerker |
| DE1276737B (de) * | 1966-03-01 | 1968-09-05 | Graetz Kommanditgesellschaft | Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers |
| US3412340A (en) * | 1966-03-03 | 1968-11-19 | Bendix Corp | Variable attenuation circuit |
| DE3016821C2 (de) * | 1980-05-02 | 1982-08-12 | Honeywell Gmbh, 6000 Frankfurt | Elektronischer Näherungsschalter |
-
0
- BE BE567879D patent/BE567879A/fr unknown
- DE DENDAT1071136D patent/DE1071136B/de active Pending
-
1957
- 1957-05-24 CH CH350993D patent/CH350993A/de unknown
-
1958
- 1958-05-23 FR FR1209160D patent/FR1209160A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105942A (en) * | 1958-12-12 | 1963-10-01 | Philips Corp | Automatic gain control amplifier system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1071136B (enrdf_load_html_response) | |
| CH350993A (de) | 1960-12-31 |
| FR1209160A (fr) | 1960-02-29 |
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