IT989944B - Circuito amplificatore di segnale elettrico - Google Patents
Circuito amplificatore di segnale elettricoInfo
- Publication number
- IT989944B IT989944B IT5156073A IT5156073A IT989944B IT 989944 B IT989944 B IT 989944B IT 5156073 A IT5156073 A IT 5156073A IT 5156073 A IT5156073 A IT 5156073A IT 989944 B IT989944 B IT 989944B
- Authority
- IT
- Italy
- Prior art keywords
- electric signal
- amplifier circuit
- signal amplifier
- circuit
- electric
- Prior art date
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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
-
- 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
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
-
- 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
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45096—Indexing scheme relating to differential amplifiers the difference of two signals being made by, e.g. combining two or more current mirrors, e.g. differential current mirror
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7358672A JPS5620723B2 (pt) | 1972-07-22 | 1972-07-22 | |
| JP7358572A JPS5620722B2 (pt) | 1972-07-22 | 1972-07-22 | |
| JP47073584A JPS4932570A (pt) | 1972-07-22 | 1972-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT989944B true IT989944B (it) | 1975-06-10 |
Family
ID=27301258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT5156073A IT989944B (it) | 1972-07-22 | 1973-07-20 | Circuito amplificatore di segnale elettrico |
Country Status (3)
| Country | Link |
|---|---|
| BR (1) | BR7305557D0 (pt) |
| IT (1) | IT989944B (pt) |
| NL (1) | NL186937C (pt) |
-
1973
- 1973-07-20 IT IT5156073A patent/IT989944B/it active
- 1973-07-23 BR BR555773A patent/BR7305557D0/pt unknown
-
1986
- 1986-02-20 NL NLAANVRAGE8600434,A patent/NL186937C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL186937B (nl) | 1990-11-01 |
| BR7305557D0 (pt) | 1975-09-02 |
| NL186937C (nl) | 1991-04-02 |
| NL8600434A (nl) | 1986-06-02 |
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