SE7406277L - Programmerbar spenningskella. - Google Patents

Programmerbar spenningskella.

Info

Publication number
SE7406277L
SE7406277L SE7406277A SE7406277A SE7406277L SE 7406277 L SE7406277 L SE 7406277L SE 7406277 A SE7406277 A SE 7406277A SE 7406277 A SE7406277 A SE 7406277A SE 7406277 L SE7406277 L SE 7406277L
Authority
SE
Sweden
Prior art keywords
voltage source
programmable voltage
programmable
source
voltage
Prior art date
Application number
SE7406277A
Other languages
English (en)
Swedish (sv)
Inventor
B Tengvall
Original Assignee
Luxor Industri Ab
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 Industri Ab filed Critical Luxor Industri Ab
Priority to SE7406277A priority Critical patent/SE7406277L/xx
Priority to NL7505107A priority patent/NL7505107A/xx
Priority to JP50055363A priority patent/JPS50155955A/ja
Priority to DE19752520676 priority patent/DE2520676A1/de
Priority to FR7514559A priority patent/FR2270634A1/fr
Publication of SE7406277L publication Critical patent/SE7406277L/xx

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)
SE7406277A 1974-05-10 1974-05-10 Programmerbar spenningskella. SE7406277L (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE7406277A SE7406277L (sv) 1974-05-10 1974-05-10 Programmerbar spenningskella.
NL7505107A NL7505107A (nl) 1974-05-10 1975-04-29 Programmeerbare spanningsbron.
JP50055363A JPS50155955A (enrdf_load_stackoverflow) 1974-05-10 1975-05-08
DE19752520676 DE2520676A1 (de) 1974-05-10 1975-05-09 Programmierbare spannungsquelle
FR7514559A FR2270634A1 (en) 1974-05-10 1975-05-09 Reference voltage for TV and radio tuning - has potentiometers replaced by cheap electronic circuits and uses analogue-digital converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7406277A SE7406277L (sv) 1974-05-10 1974-05-10 Programmerbar spenningskella.

Publications (1)

Publication Number Publication Date
SE7406277L true SE7406277L (sv) 1975-11-11

Family

ID=20321101

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7406277A SE7406277L (sv) 1974-05-10 1974-05-10 Programmerbar spenningskella.

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1061633B (it) * 1976-05-03 1983-04-30 Voxson Spa Radiori cevitore o sintonizzatore munito di mezzi di memorizzazione a stato solido per una molteplicita di frequenze di ricezione
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 (de) * 1982-05-04 1983-10-06 Krautkraemer Gmbh Verfahren und Schaltungsvorrichtung zum Erzeugen und Veraendern einer vorbestimmten Anzahl voneinander unabhaengiger Gleichspannungen

Family Cites Families (1)

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

Also Published As

Publication number Publication date
FR2270634A1 (en) 1975-12-05
DE2520676A1 (de) 1975-11-13
JPS50155955A (enrdf_load_stackoverflow) 1975-12-16
NL7505107A (nl) 1975-11-12
FR2270634B1 (enrdf_load_stackoverflow) 1977-04-15

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