JPS5724688B1 - - Google Patents
Info
- Publication number
- JPS5724688B1 JPS5724688B1 JP5731072A JP5731072A JPS5724688B1 JP S5724688 B1 JPS5724688 B1 JP S5724688B1 JP 5731072 A JP5731072 A JP 5731072A JP 5731072 A JP5731072 A JP 5731072A JP S5724688 B1 JPS5724688 B1 JP S5724688B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15146171A | 1971-06-09 | 1971-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5724688B1 true JPS5724688B1 (ja) | 1982-05-25 |
Family
ID=22538871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5731072A Pending JPS5724688B1 (ja) | 1971-06-09 | 1972-06-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3784923A (ja) |
| JP (1) | JPS5724688B1 (ja) |
| AU (1) | AU438630B2 (ja) |
| CA (1) | CA951800A (ja) |
| DE (1) | DE2228206B2 (ja) |
| GB (1) | GB1377143A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009531969A (ja) * | 2006-03-29 | 2009-09-03 | トムソン ライセンシング | 周波数変換モジュールの周波数制限増幅器 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUE029499T2 (en) * | 2004-05-05 | 2017-02-28 | Audera Acoustics Inc | Speaker with built-in amplifier and audio frequency amplifier |
| US7362168B2 (en) * | 2005-05-05 | 2008-04-22 | Audera International Sales Inc. | Audio amplifier |
| US8995691B2 (en) * | 2008-07-14 | 2015-03-31 | Audera Acoustics Inc. | Audio amplifier |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US27454A (en) * | 1860-03-13 | Coffee-roaster | ||
| NL6705024A (ja) * | 1967-04-08 | 1968-10-09 | ||
| US3622900A (en) * | 1969-09-29 | 1971-11-23 | Motorola Inc | Squelchable direct coupled transistor audio amplifier constructed in integrated circuit |
| NL6917885A (ja) * | 1969-11-28 | 1971-06-02 | ||
| US3581226A (en) * | 1969-12-22 | 1971-05-25 | Hughes Aircraft Co | Differential amplifier circuit using field effect transistors |
| US3678405A (en) * | 1970-08-26 | 1972-07-18 | Rca Corp | Amplifier-limiter circuit with reduced am to pm conversion |
| US3697883A (en) * | 1970-09-10 | 1972-10-10 | Motorola Inc | Automatic gain control circuit |
| US3649846A (en) * | 1971-01-07 | 1972-03-14 | Motorola Inc | Single supply comparison amplifier |
-
1971
- 1971-06-09 US US00151461A patent/US3784923A/en not_active Expired - Lifetime
-
1972
- 1972-05-16 CA CA142,263,A patent/CA951800A/en not_active Expired
- 1972-05-25 GB GB2478172A patent/GB1377143A/en not_active Expired
- 1972-06-07 AU AU43181/72A patent/AU438630B2/en not_active Expired
- 1972-06-08 JP JP5731072A patent/JPS5724688B1/ja active Pending
- 1972-06-09 DE DE2228206A patent/DE2228206B2/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009531969A (ja) * | 2006-03-29 | 2009-09-03 | トムソン ライセンシング | 周波数変換モジュールの周波数制限増幅器 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3784923A (en) | 1974-01-08 |
| DE2228206A1 (de) | 1972-12-21 |
| DE2228206B2 (de) | 1974-08-01 |
| AU438630B2 (en) | 1973-08-16 |
| AU4318172A (en) | 1973-08-16 |
| CA951800A (en) | 1974-07-23 |
| GB1377143A (en) | 1974-12-11 |