SE426278B - Stegfrekvensomvandlare av kvadraturtyp - Google Patents
Stegfrekvensomvandlare av kvadraturtypInfo
- Publication number
- SE426278B SE426278B SE8104751A SE8104751A SE426278B SE 426278 B SE426278 B SE 426278B SE 8104751 A SE8104751 A SE 8104751A SE 8104751 A SE8104751 A SE 8104751A SE 426278 B SE426278 B SE 426278B
- Authority
- SE
- Sweden
- Prior art keywords
- circuit
- control
- input
- signal
- output
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 173
- 108010074506 Transfer Factor Proteins 0.000 claims description 31
- 230000007423 decrease Effects 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000005669 field effect Effects 0.000 description 17
- 230000010363 phase shift Effects 0.000 description 14
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 240000001439 Opuntia Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0001—Circuit elements of demodulators
- H03D2200/0025—Gain control circuits
- H03D2200/0027—Gain control circuits including arrangements for assuring the same gain in two paths
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0066—Mixing
- H03D2200/0068—Mixing by computation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0082—Quadrature arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Networks Using Active Elements (AREA)
- Transmitters (AREA)
- Control Of Amplification And Gain Control (AREA)
- Analogue/Digital Conversion (AREA)
- Junction Field-Effect Transistors (AREA)
- Feedback Control In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU792845551A SU955109A1 (ru) | 1979-12-11 | 1979-12-11 | Устройство дл формировани квадратурных гармонических колебаний |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8104751L SE8104751L (sv) | 1981-08-07 |
SE426278B true SE426278B (sv) | 1982-12-20 |
Family
ID=20861789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8104751A SE426278B (sv) | 1979-12-11 | 1981-08-07 | Stegfrekvensomvandlare av kvadraturtyp |
Country Status (11)
Country | Link |
---|---|
US (1) | US4409555A (ja) |
JP (1) | JPS56501706A (ja) |
AT (1) | AT383445B (ja) |
DD (1) | DD155221A1 (ja) |
DE (1) | DE3050140A1 (ja) |
FI (1) | FI803844L (ja) |
FR (1) | FR2471696B1 (ja) |
GB (1) | GB2075780B (ja) |
SE (1) | SE426278B (ja) |
SU (1) | SU955109A1 (ja) |
WO (1) | WO1981001762A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8104668A (nl) * | 1981-10-14 | 1983-05-02 | Philips Nv | Vermenigvuldigschakeling voor stereo-decoders. |
US4524326A (en) * | 1982-07-22 | 1985-06-18 | Amca International Corp. | Digitally-driven sine/cosine generator and modulator |
JP2701836B2 (ja) * | 1985-03-14 | 1998-01-21 | オムロン株式会社 | 回路折抗値調整方法 |
GB2201559A (en) * | 1987-01-23 | 1988-09-01 | Gen Electric Plc | Electrical signal mixer circuit |
US4727752A (en) * | 1987-02-04 | 1988-03-01 | Sundstrand Data Control, Inc. | Pseudosinusoidal oscillator drive system |
ATE543434T1 (de) * | 2008-05-12 | 2012-02-15 | Univ Tallinn Technology | Verfahren und vorrichtung mit gekürzten quadratischen wellenformen bei der synchronen signalaufbereitung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3656151A (en) * | 1970-03-26 | 1972-04-11 | Magnavox Co | Digital function generation network |
US3657657A (en) * | 1970-08-03 | 1972-04-18 | William T Jefferson | Digital sine wave generator |
US3747088A (en) * | 1970-12-30 | 1973-07-17 | Analog Devices Inc | Solid state digital to analog converter |
US3728719A (en) * | 1972-03-20 | 1973-04-17 | Us Navy | R-2r resistive ladder, digital-to-analog converter |
JPS5129060B2 (ja) * | 1972-05-18 | 1976-08-23 | ||
JPS4973613A (ja) * | 1972-11-20 | 1974-07-16 | ||
JPS5068454A (ja) * | 1973-10-19 | 1975-06-07 | ||
GB1592856A (en) * | 1976-11-27 | 1981-07-08 | Ferranti Ltd | Semiconductor devices |
JPS5829886B2 (ja) * | 1977-12-22 | 1983-06-25 | ヤマハ株式会社 | 多相信号発生器 |
US4336526A (en) * | 1978-08-04 | 1982-06-22 | Intersil, Inc. | Successive approximation analog-to-digital converter using non-binary series |
-
1979
- 1979-12-11 SU SU792845551A patent/SU955109A1/ru active
-
1980
- 1980-07-31 DE DE803050140A patent/DE3050140A1/de not_active Withdrawn
- 1980-07-31 AT AT0912680A patent/AT383445B/de not_active IP Right Cessation
- 1980-08-31 WO PCT/SU1980/000121 patent/WO1981001762A1/ru active Application Filing
- 1980-08-31 GB GB8122604A patent/GB2075780B/en not_active Expired
- 1980-08-31 JP JP50228080A patent/JPS56501706A/ja active Pending
- 1980-12-05 FR FR8025842A patent/FR2471696B1/fr not_active Expired
- 1980-12-10 FI FI803844A patent/FI803844L/fi not_active Application Discontinuation
- 1980-12-10 DD DD80225933A patent/DD155221A1/de unknown
-
1981
- 1981-07-31 US US06/293,632 patent/US4409555A/en not_active Expired - Fee Related
- 1981-08-07 SE SE8104751A patent/SE426278B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2471696A1 (fr) | 1981-06-19 |
FR2471696B1 (fr) | 1987-08-21 |
GB2075780B (en) | 1984-06-13 |
SE8104751L (sv) | 1981-08-07 |
ATA912680A (de) | 1986-11-15 |
US4409555A (en) | 1983-10-11 |
GB2075780A (en) | 1981-11-18 |
SU955109A1 (ru) | 1982-08-30 |
JPS56501706A (ja) | 1981-11-19 |
DE3050140A1 (en) | 1982-03-25 |
AT383445B (de) | 1987-07-10 |
DD155221A1 (de) | 1982-05-19 |
WO1981001762A1 (en) | 1981-06-25 |
FI803844L (fi) | 1981-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8104751-6 Effective date: 19890911 Format of ref document f/p: F |