DE2021128A1 - RC-Sinusoszillator veraenderlicher Frequenz - Google Patents
RC-Sinusoszillator veraenderlicher FrequenzInfo
- Publication number
- DE2021128A1 DE2021128A1 DE19702021128 DE2021128A DE2021128A1 DE 2021128 A1 DE2021128 A1 DE 2021128A1 DE 19702021128 DE19702021128 DE 19702021128 DE 2021128 A DE2021128 A DE 2021128A DE 2021128 A1 DE2021128 A1 DE 2021128A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- switching
- pulse
- transistor
- emitter
- 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
- 230000001419 dependent effect Effects 0.000 claims description 9
- 230000005669 field effect Effects 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/26—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Dc-Dc Converters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1529569A CH507617A (de) | 1969-10-14 | 1969-10-14 | RC-Sinusoszillator veränderlicher Frequenz |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2021128A1 true DE2021128A1 (de) | 1971-04-15 |
Family
ID=4407942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702021128 Pending DE2021128A1 (de) | 1969-10-14 | 1970-04-29 | RC-Sinusoszillator veraenderlicher Frequenz |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE757497A (cs) |
CH (1) | CH507617A (cs) |
CS (1) | CS179910B2 (cs) |
DE (1) | DE2021128A1 (cs) |
FR (1) | FR2064316B1 (cs) |
GB (1) | GB1329621A (cs) |
PL (1) | PL81129B1 (cs) |
SE (1) | SE348902B (cs) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2513041B1 (fr) * | 1981-09-15 | 1985-12-27 | Thomson Csf Mat Tel | Oscillateur a element piezo-electrique asservi |
-
0
- BE BE757497D patent/BE757497A/xx unknown
-
1969
- 1969-10-14 CH CH1529569A patent/CH507617A/de not_active IP Right Cessation
-
1970
- 1970-04-29 DE DE19702021128 patent/DE2021128A1/de active Pending
- 1970-10-06 CS CS675670A patent/CS179910B2/cs unknown
- 1970-10-12 FR FR7036705A patent/FR2064316B1/fr not_active Expired
- 1970-10-12 GB GB4845270A patent/GB1329621A/en not_active Expired
- 1970-10-13 PL PL14389770A patent/PL81129B1/pl unknown
- 1970-10-13 SE SE1382470A patent/SE348902B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
PL81129B1 (cs) | 1975-08-30 |
CS179910B2 (en) | 1977-12-30 |
FR2064316B1 (cs) | 1976-03-19 |
GB1329621A (en) | 1973-09-12 |
CH507617A (de) | 1971-05-15 |
BE757497A (fr) | 1971-03-16 |
FR2064316A1 (cs) | 1971-07-23 |
SE348902B (cs) | 1972-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OHN | Withdrawal |