DE2230755C3 - Rauschunterdrückungsschaltung für einen Empfänger - Google Patents
Rauschunterdrückungsschaltung für einen EmpfängerInfo
- Publication number
- DE2230755C3 DE2230755C3 DE2230755A DE2230755A DE2230755C3 DE 2230755 C3 DE2230755 C3 DE 2230755C3 DE 2230755 A DE2230755 A DE 2230755A DE 2230755 A DE2230755 A DE 2230755A DE 2230755 C3 DE2230755 C3 DE 2230755C3
- Authority
- DE
- Germany
- Prior art keywords
- signal
- diode
- amplifier
- noise suppression
- resistor
- Prior art date
- 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.)
- Expired
Links
- 230000001629 suppression Effects 0.000 title claims description 45
- 230000001419 dependent effect Effects 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
- H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
- H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
- H04B1/1684—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal of the decoded left or right stereo channel
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7108692.A NL164435C (nl) | 1971-06-24 | 1971-06-24 | Ontvanginrichting. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2230755A1 DE2230755A1 (de) | 1972-12-28 |
| DE2230755B2 DE2230755B2 (de) | 1979-09-27 |
| DE2230755C3 true DE2230755C3 (de) | 1980-06-04 |
Family
ID=19813472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2230755A Expired DE2230755C3 (de) | 1971-06-24 | 1972-06-23 | Rauschunterdrückungsschaltung für einen Empfänger |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3803496A (enExample) |
| JP (1) | JPS5318124B1 (enExample) |
| AT (1) | AT318712B (enExample) |
| AU (1) | AU471365B2 (enExample) |
| CA (1) | CA966195A (enExample) |
| DE (1) | DE2230755C3 (enExample) |
| ES (1) | ES404145A1 (enExample) |
| FR (1) | FR2143467B1 (enExample) |
| GB (1) | GB1396585A (enExample) |
| IT (1) | IT956760B (enExample) |
| NL (1) | NL164435C (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750097B2 (enExample) * | 1973-06-06 | 1982-10-26 | ||
| US4000369A (en) * | 1974-12-05 | 1976-12-28 | Rockwell International Corporation | Analog signal channel equalization with signal-in-noise embodiment |
| US4155041A (en) * | 1976-05-13 | 1979-05-15 | Burns Richard C | System for reducing noise transients |
| US4110784A (en) * | 1976-08-30 | 1978-08-29 | Rca Corporation | Noise reduction apparatus |
| DE2833590C2 (de) * | 1978-07-31 | 1984-09-06 | Il'ja Semenovič Izakson | Adaptives Filter |
| US4259742A (en) * | 1978-11-06 | 1981-03-31 | Burns Richard C | Electronic switching system for reducing noise transients |
| US4416024A (en) * | 1979-12-17 | 1983-11-15 | Sanyo Electric Co., Inc. | Distortion reducing circuit in FM receiver |
| US4321586A (en) * | 1980-08-21 | 1982-03-23 | Knogo Corporation | Article theft detection |
| DE3303881C2 (de) * | 1983-02-05 | 1986-02-13 | Seifert, Hans, Prof. Dr.-Ing., 5880 Lüdenscheid | Einrichtung zur Bremsenergie-Rückgewinnung für Fahrzeuge |
| CN114915304B (zh) * | 2022-03-28 | 2023-08-11 | 海能达通信股份有限公司 | 接收机及其信号抗干扰电路、信号抗干扰方法 |
| CN119766259A (zh) * | 2025-03-05 | 2025-04-04 | 武汉船舶通信研究所(中国船舶集团有限公司第七二二研究所) | 一种高灵敏大动态抗干扰低频接收装置 |
-
1971
- 1971-06-24 NL NL7108692.A patent/NL164435C/xx not_active IP Right Cessation
-
1972
- 1972-06-16 US US00263422A patent/US3803496A/en not_active Expired - Lifetime
- 1972-06-20 AU AU43623/72A patent/AU471365B2/en not_active Expired
- 1972-06-21 IT IT26009/72A patent/IT956760B/it active
- 1972-06-21 GB GB2903472A patent/GB1396585A/en not_active Expired
- 1972-06-21 JP JP6230072A patent/JPS5318124B1/ja active Pending
- 1972-06-22 AT AT538672A patent/AT318712B/de not_active IP Right Cessation
- 1972-06-22 ES ES404145A patent/ES404145A1/es not_active Expired
- 1972-06-23 DE DE2230755A patent/DE2230755C3/de not_active Expired
- 1972-06-23 CA CA145,499A patent/CA966195A/en not_active Expired
- 1972-06-26 FR FR727222984A patent/FR2143467B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5318124B1 (enExample) | 1978-06-13 |
| AU471365B2 (en) | 1976-04-15 |
| NL164435C (nl) | 1980-12-15 |
| US3803496A (en) | 1974-04-09 |
| NL7108692A (enExample) | 1972-12-28 |
| AT318712B (de) | 1974-11-11 |
| GB1396585A (en) | 1975-06-04 |
| DE2230755A1 (de) | 1972-12-28 |
| NL164435B (nl) | 1980-07-15 |
| FR2143467A1 (enExample) | 1973-02-02 |
| ES404145A1 (es) | 1975-12-16 |
| IT956760B (it) | 1973-10-10 |
| AU4362372A (en) | 1974-01-03 |
| FR2143467B1 (enExample) | 1973-07-13 |
| DE2230755B2 (de) | 1979-09-27 |
| CA966195A (en) | 1975-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |