DE2246607A1 - Schaltungsanordnung zur vergroesserung der wirksamen kapazitaet eines kondensators - Google Patents
Schaltungsanordnung zur vergroesserung der wirksamen kapazitaet eines kondensatorsInfo
- Publication number
- DE2246607A1 DE2246607A1 DE19722246607 DE2246607A DE2246607A1 DE 2246607 A1 DE2246607 A1 DE 2246607A1 DE 19722246607 DE19722246607 DE 19722246607 DE 2246607 A DE2246607 A DE 2246607A DE 2246607 A1 DE2246607 A1 DE 2246607A1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier
- circuit arrangement
- current
- transistor
- capacitance
- 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 25
- 230000035945 sensitivity Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000010363 phase shift Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/40—Impedance converters
- H03H11/405—Positive impedance converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
- H03H11/48—One-port networks simulating reactances
- H03H11/483—Simulating capacitance multipliers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
Landscapes
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1271972A CH548696A (de) | 1972-08-29 | 1972-08-29 | Schaltungsanordnung zur vergroesserung der wirksamen kapazitaet eines kondensators. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2246607A1 true DE2246607A1 (de) | 1974-03-07 |
Family
ID=4385735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722246607 Pending DE2246607A1 (de) | 1972-08-29 | 1972-09-22 | Schaltungsanordnung zur vergroesserung der wirksamen kapazitaet eines kondensators |
Country Status (10)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357222A (en) * | 1991-10-09 | 1994-10-18 | Nokia Mobile Phones Ltd. | Voltage controlled component including a capacitive diode biased to operate in the linear region |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2833432A1 (fr) * | 2001-12-11 | 2003-06-13 | Koninkl Philips Electronics Nv | Dispositif de compensation en temperature et appareil electronique comprenant un tel dispositif |
| US7701303B2 (en) * | 2006-12-29 | 2010-04-20 | Infineon Technologies Ag | Oscillator with Darlington nodes |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR149642A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1965-10-12 | |||
| GB1203961A (en) * | 1967-04-21 | 1970-09-03 | Cambridge Consultants | An active capacitance reactance network |
| US3564441A (en) * | 1968-03-04 | 1971-02-16 | United Control Corp | Low-pass active filter |
| US3551846A (en) * | 1968-09-20 | 1970-12-29 | Trw Inc | Electronically tunable resonant circuits |
| US3702405A (en) * | 1971-11-17 | 1972-11-07 | Us Air Force | Electronically variable capacitance |
| US3831117A (en) * | 1972-11-15 | 1974-08-20 | Nasa | Capacitance multiplier and filter synthesizing network |
-
1972
- 1972-08-29 CH CH1271972A patent/CH548696A/xx unknown
- 1972-09-22 DE DE19722246607 patent/DE2246607A1/de active Pending
-
1973
- 1973-07-06 AT AT598273A patent/ATA598273A/de not_active Application Discontinuation
- 1973-07-23 AU AU58364/73A patent/AU5836473A/en not_active Expired
- 1973-08-14 US US388083A patent/US3916297A/en not_active Expired - Lifetime
- 1973-08-16 CA CA179,111A patent/CA977045A/en not_active Expired
- 1973-08-20 FR FR7330125A patent/FR2198312B3/fr not_active Expired
- 1973-08-27 NL NL7311738A patent/NL7311738A/xx unknown
- 1973-08-28 GB GB4047973A patent/GB1444924A/en not_active Expired
- 1973-08-29 JP JP48096276A patent/JPS4960849A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5357222A (en) * | 1991-10-09 | 1994-10-18 | Nokia Mobile Phones Ltd. | Voltage controlled component including a capacitive diode biased to operate in the linear region |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2198312B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-30 |
| FR2198312A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-29 |
| GB1444924A (en) | 1976-08-04 |
| ATA598273A (de) | 1977-06-15 |
| US3916297A (en) | 1975-10-28 |
| CH548696A (de) | 1974-04-30 |
| AU5836473A (en) | 1975-01-23 |
| CA977045A (en) | 1975-10-28 |
| JPS4960849A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-13 |
| NL7311738A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2423478C3 (de) | Stromquellenschaltung | |
| EP0087175B1 (de) | Schaltung zur elektronischen Verstärkungsstellung | |
| DE2338284A1 (de) | Verstaerkungssteuerschaltung | |
| DE1812292C3 (de) | Schaltungsanordnung zur Verstärkungsregelung | |
| EP0692870B1 (de) | Schaltungsanordnung zur Kapazitätsverstärkung | |
| EP0141933B1 (de) | Integrierbare Oszillatorschaltung | |
| DE1003288B (de) | Modulator mit Flaechentransistor | |
| DE2246607A1 (de) | Schaltungsanordnung zur vergroesserung der wirksamen kapazitaet eines kondensators | |
| DE2946952C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2623398C2 (de) | Sinusoszillator mit veränderbarer Frequenz aus einer Transistor-Verstärkerschaltung | |
| DE1023083B (de) | Transistorverstaerkerschaltung mit automatischer Verstaerkungsregelung | |
| DE3246295C2 (de) | Frequenzmodulierbarer Oszillator | |
| DE1277907C2 (de) | Transistorschaltungsanordnung zur umwandlung einer rechteckschwingung in eine sinusschwingung | |
| DE69410654T2 (de) | Stromquelle | |
| DE3323649C2 (de) | Schaltungsanordnung zur Erhöhung der Induktivität einer Spule | |
| DE1274676B (de) | Oszillatorschaltung mit einem Transistor | |
| DE3127889C2 (de) | Schaltungsanordnung aus mindestens zwei Verstärkern | |
| DE2813856A1 (de) | Einstellbarer transistor-verstaerker | |
| DE1905718C3 (de) | Schaltungsanordnung zur Produkt- und/ oder Quotientenbildung | |
| EP0370576A2 (de) | Oszillator | |
| DE1188658B (de) | Transistorverstaerker mit einem geregelten Transistor und einem Regeltransistor | |
| DE2241947C3 (de) | Halbleiter-Impedanzwandler-Schaltung | |
| DE1937714C3 (de) | Schaltungsanordnung zum Stabilisieren von Gleichspannung | |
| DE1814887B2 (de) | Transistorverstaerker | |
| DE2711520A1 (de) | Belastungsschaltung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |