BE639126A - - Google Patents

Info

Publication number
BE639126A
BE639126A BE639126DA BE639126A BE 639126 A BE639126 A BE 639126A BE 639126D A BE639126D A BE 639126DA BE 639126 A BE639126 A BE 639126A
Authority
BE
Belgium
Prior art keywords
voltage
potentiometer
source
adjustable
ranges
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE639126A publication Critical patent/BE639126A/fr

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00Continuous tuning
    • H03J3/24Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00Continuous tuning
    • H03J3/28Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00Discontinuous 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
    • H03J5/02Discontinuous 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
    • H03J5/0209Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of non preset values

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
BE639126D BE639126A (pt-PT)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL300875T

Publications (1)

Publication Number Publication Date
BE639126A true BE639126A (pt-PT)

Family

ID=19783259

Family Applications (1)

Application Number Title Priority Date Filing Date
BE639126D BE639126A (pt-PT)

Country Status (2)

Country Link
BE (1) BE639126A (pt-PT)
NL (1) NL300875A (pt-PT)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7811229A (nl) * 1978-11-14 1980-05-19 Philips Nv Verzwakkerinrichting bevattende een cascadeschakeling van een stappenverzwakker en een regelbare spannings- deler, alsmede een besturingsschakeling voor de rege- ling daarvan.

Also Published As

Publication number Publication date
NL300875A (pt-PT) 1900-01-01

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