BE808090A - Circuit servant a engendrer une tension continue stabilisee avec superposition d'une tension de regulation - Google Patents

Circuit servant a engendrer une tension continue stabilisee avec superposition d'une tension de regulation

Info

Publication number
BE808090A
BE808090A BE138413A BE138413A BE808090A BE 808090 A BE808090 A BE 808090A BE 138413 A BE138413 A BE 138413A BE 138413 A BE138413 A BE 138413A BE 808090 A BE808090 A BE 808090A
Authority
BE
Belgium
Prior art keywords
voltage
superposition
generate
circuit serving
regulating
Prior art date
Application number
BE138413A
Other languages
English (en)
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of BE808090A publication Critical patent/BE808090A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • H03J7/12—Combination of automatic frequency control voltage with stabilised varactor supply voltage
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
BE138413A 1972-12-02 1973-11-30 Circuit servant a engendrer une tension continue stabilisee avec superposition d'une tension de regulation BE808090A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7216406A NL7216406A (fr) 1972-12-02 1972-12-02

Publications (1)

Publication Number Publication Date
BE808090A true BE808090A (fr) 1974-05-30

Family

ID=19817468

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138413A BE808090A (fr) 1972-12-02 1973-11-30 Circuit servant a engendrer une tension continue stabilisee avec superposition d'une tension de regulation

Country Status (9)

Country Link
US (1) US3934191A (fr)
JP (1) JPS4986842A (fr)
BE (1) BE808090A (fr)
DE (1) DE2356615B2 (fr)
FR (1) FR2212697B1 (fr)
GB (1) GB1450964A (fr)
IT (1) IT999845B (fr)
NL (1) NL7216406A (fr)
SE (1) SE389587B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177858C (nl) * 1976-03-31 1985-12-02 Philips Nv Schakeling voor het leveren van een vooraf bepaalde stroom aan een belasting.
US4128849A (en) * 1976-05-24 1978-12-05 Admiral Corporation Selectively coupled synthesizer for tuner of TV receiver
US4271533A (en) * 1979-07-11 1981-06-02 Gte Products Corporation AFC Interface circuit
US4617587A (en) * 1984-11-30 1986-10-14 Rca Corporation Recovery system for a control loop
GB2188502B (en) * 1986-02-25 1989-11-08 Plessey Co Plc Tuner circuit including tuning voltage generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371269A (en) * 1964-05-18 1968-02-27 Bendix Corp Voltage regulator including means for eliminating ripple output voltages
US3689848A (en) * 1970-05-04 1972-09-05 Us Navy Voltage-to-current converter
US3610955A (en) * 1970-07-31 1971-10-05 Fairchild Camera Instr Co Balanced synchronous detector
US3735151A (en) * 1971-08-16 1973-05-22 Motorola Inc Output circuit for comparators
JPS5232689B2 (fr) * 1972-03-23 1977-08-23
US3781699A (en) * 1972-09-27 1973-12-25 Hitachi Ltd Differential amplifier circuit

Also Published As

Publication number Publication date
SE389587B (sv) 1976-11-08
NL7216406A (fr) 1974-06-05
JPS4986842A (fr) 1974-08-20
US3934191A (en) 1976-01-20
FR2212697A1 (fr) 1974-07-26
GB1450964A (en) 1976-09-29
FR2212697B1 (fr) 1976-07-30
DE2356615B2 (de) 1980-03-13
DE2356615A1 (de) 1974-06-06
IT999845B (it) 1976-03-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19841130