DE2517993A1 - Verstaerker mit extrem kleinem stromverbrauch - Google Patents
Verstaerker mit extrem kleinem stromverbrauchInfo
- Publication number
- DE2517993A1 DE2517993A1 DE19752517993 DE2517993A DE2517993A1 DE 2517993 A1 DE2517993 A1 DE 2517993A1 DE 19752517993 DE19752517993 DE 19752517993 DE 2517993 A DE2517993 A DE 2517993A DE 2517993 A1 DE2517993 A1 DE 2517993A1
- Authority
- DE
- Germany
- Prior art keywords
- transistor
- receiver
- transistors
- amplifier
- pair
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 35
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 claims 1
- 206010011878 Deafness Diseases 0.000 description 5
- 230000010370 hearing loss Effects 0.000 description 5
- 231100000888 hearing loss Toxicity 0.000 description 5
- 208000016354 hearing loss disease Diseases 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005513 bias potential Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 238000004804 winding Methods 0.000 description 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
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3066—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output
- H03F3/3067—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the collectors of complementary power transistors being connected to the output with asymmetrical driving of the end stage
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46852574A | 1974-05-09 | 1974-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2517993A1 true DE2517993A1 (de) | 1975-11-27 |
Family
ID=23860155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752517993 Pending DE2517993A1 (de) | 1974-05-09 | 1975-04-23 | Verstaerker mit extrem kleinem stromverbrauch |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59200510A (ja) * | 1983-04-26 | 1984-11-13 | Citizen Watch Co Ltd | 低消費電力増巾器 |
-
1975
- 1975-04-23 DE DE19752517993 patent/DE2517993A1/de active Pending
- 1975-04-29 CH CH549675A patent/CH596728A5/xx not_active IP Right Cessation
- 1975-05-06 JP JP5327275A patent/JPS50151404A/ja active Pending
- 1975-05-07 DK DK200975A patent/DK200975A/da unknown
- 1975-05-08 GB GB1946375A patent/GB1475845A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH596728A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-03-15 |
| GB1475845A (en) | 1977-06-10 |
| DK200975A (da) | 1975-11-10 |
| JPS50151404A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |