NL7505107A - PROGRAMMABLE VOLTAGE SOURCE. - Google Patents

PROGRAMMABLE VOLTAGE SOURCE.

Info

Publication number
NL7505107A
NL7505107A NL7505107A NL7505107A NL7505107A NL 7505107 A NL7505107 A NL 7505107A NL 7505107 A NL7505107 A NL 7505107A NL 7505107 A NL7505107 A NL 7505107A NL 7505107 A NL7505107 A NL 7505107A
Authority
NL
Netherlands
Prior art keywords
voltage source
programmable voltage
programmable
source
voltage
Prior art date
Application number
NL7505107A
Other languages
Dutch (nl)
Original Assignee
Luxor Ind Aktiebolag
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 Luxor Ind Aktiebolag filed Critical Luxor Ind Aktiebolag
Publication of NL7505107A publication Critical patent/NL7505107A/en

Links

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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NL7505107A 1974-05-10 1975-04-29 PROGRAMMABLE VOLTAGE SOURCE. NL7505107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7406277A SE7406277L (en) 1974-05-10 1974-05-10 PROGRAMMABLE VOLTAGE SOURCE.

Publications (1)

Publication Number Publication Date
NL7505107A true NL7505107A (en) 1975-11-12

Family

ID=20321101

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7505107A NL7505107A (en) 1974-05-10 1975-04-29 PROGRAMMABLE VOLTAGE SOURCE.

Country Status (5)

Country Link
JP (1) JPS50155955A (en)
DE (1) DE2520676A1 (en)
FR (1) FR2270634A1 (en)
NL (1) NL7505107A (en)
SE (1) SE7406277L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1061633B (en) * 1976-05-03 1983-04-30 Voxson Spa RADIORI CEVITORE OR TUNER EQUIPPED WITH STORAGE MEDIA IN SOLID STATE FOR A MULTIPLE OF RECEPTION FREQUENCIES
US4164711A (en) * 1977-10-31 1979-08-14 Rca Corporation Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming
US4289999A (en) * 1979-05-14 1981-09-15 Ampex Corporation Digital variable voltage level control circuit with automatic return to neutral
DE3216547C1 (en) * 1982-05-04 1983-10-06 Krautkraemer Gmbh Method and circuit device for generating and changing a predetermined number of independent DC voltages

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141522B2 (en) * 1971-12-29 1976-11-10

Also Published As

Publication number Publication date
SE7406277L (en) 1975-11-11
JPS50155955A (en) 1975-12-16
FR2270634A1 (en) 1975-12-05
DE2520676A1 (en) 1975-11-13
FR2270634B1 (en) 1977-04-15

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