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IT999845B - Disposizione circuitale per genera re una tensione continua stabilizza ta con sovrapposizione di una ten sione di controllo - Google Patents

Disposizione circuitale per genera re una tensione continua stabilizza ta con sovrapposizione di una ten sione di controllo

Info

Publication number
IT999845B
IT999845B IT70508/73A IT7050873A IT999845B IT 999845 B IT999845 B IT 999845B IT 70508/73 A IT70508/73 A IT 70508/73A IT 7050873 A IT7050873 A IT 7050873A IT 999845 B IT999845 B IT 999845B
Authority
IT
Italy
Prior art keywords
voltage
overlapping
generate
circuit arrangement
control voltage
Prior art date
Application number
IT70508/73A
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
Application granted granted Critical
Publication of IT999845B publication Critical patent/IT999845B/it

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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
IT70508/73A 1972-12-02 1973-11-29 Disposizione circuitale per genera re una tensione continua stabilizza ta con sovrapposizione di una ten sione di controllo IT999845B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT999845B true IT999845B (it) 1976-03-10

Family

ID=19817468

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70508/73A IT999845B (it) 1972-12-02 1973-11-29 Disposizione circuitale per genera re una tensione continua stabilizza ta con sovrapposizione di una ten sione di controllo

Country Status (9)

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

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 (it) * 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
DE2356615A1 (de) 1974-06-06
FR2212697B1 (it) 1976-07-30
BE808090A (fr) 1974-05-30
US3934191A (en) 1976-01-20
SE389587B (sv) 1976-11-08
DE2356615B2 (de) 1980-03-13
FR2212697A1 (it) 1974-07-26
GB1450964A (en) 1976-09-29
NL7216406A (it) 1974-06-05
JPS4986842A (it) 1974-08-20

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