IT974461B - Circuito di polarizzazione di ponte per amplificatore alimentato in linea - Google Patents
Circuito di polarizzazione di ponte per amplificatore alimentato in lineaInfo
- Publication number
- IT974461B IT974461B IT55218/72A IT5521872A IT974461B IT 974461 B IT974461 B IT 974461B IT 55218/72 A IT55218/72 A IT 55218/72A IT 5521872 A IT5521872 A IT 5521872A IT 974461 B IT974461 B IT 974461B
- Authority
- IT
- Italy
- Prior art keywords
- bridge
- line powered
- polarization circuit
- powered amplifier
- amplifier
- Prior art date
Links
- 230000010287 polarization Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21946672A | 1972-01-20 | 1972-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT974461B true IT974461B (it) | 1974-06-20 |
Family
ID=22819375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT55218/72A IT974461B (it) | 1972-01-20 | 1972-12-29 | Circuito di polarizzazione di ponte per amplificatore alimentato in linea |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3743956A (it) |
| JP (1) | JPS5230201B2 (it) |
| BE (1) | BE794023A (it) |
| CA (1) | CA979083A (it) |
| DE (1) | DE2302575B2 (it) |
| ES (1) | ES411074A1 (it) |
| FR (1) | FR2168549B1 (it) |
| GB (1) | GB1387103A (it) |
| IT (1) | IT974461B (it) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE560458A (it) * | 1954-02-08 | |||
| US2945133A (en) * | 1955-11-14 | 1960-07-12 | Honeywell Regulator Co | Transistor circuit |
| US3100877A (en) * | 1960-12-27 | 1963-08-13 | Honeywell Regulator Co | Transistor amplifier with constant input impedance |
| GB1124629A (en) * | 1965-12-23 | 1968-08-21 | Int Standard Electric Corp | A transistorised subscriber's telephone circuit |
-
0
- BE BE794023D patent/BE794023A/xx not_active IP Right Cessation
-
1972
- 1972-01-20 US US00219466A patent/US3743956A/en not_active Expired - Lifetime
- 1972-08-03 CA CA148,660A patent/CA979083A/en not_active Expired
- 1972-12-29 IT IT55218/72A patent/IT974461B/it active
-
1973
- 1973-01-16 GB GB218073A patent/GB1387103A/en not_active Expired
- 1973-01-19 DE DE19732302575 patent/DE2302575B2/de active Granted
- 1973-01-19 FR FR7301931A patent/FR2168549B1/fr not_active Expired
- 1973-01-20 JP JP48008299A patent/JPS5230201B2/ja not_active Expired
- 1973-01-20 ES ES411074A patent/ES411074A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA979083A (en) | 1975-12-02 |
| JPS5230201B2 (it) | 1977-08-06 |
| FR2168549A1 (it) | 1973-08-31 |
| US3743956A (en) | 1973-07-03 |
| GB1387103A (en) | 1975-03-12 |
| BE794023A (fr) | 1973-05-02 |
| DE2302575A1 (de) | 1973-07-26 |
| JPS4883707A (it) | 1973-11-08 |
| ES411074A1 (es) | 1976-01-01 |
| FR2168549B1 (it) | 1976-11-05 |
| DE2302575B2 (de) | 1976-04-08 |
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