NL175571C - Schakelinrichting voor frequentiekeuze met capaciteitsdiodeschakelingen. - Google Patents

Schakelinrichting voor frequentiekeuze met capaciteitsdiodeschakelingen.

Info

Publication number
NL175571C
NL175571C NL7105100A NL7105100A NL175571C NL 175571 C NL175571 C NL 175571C NL 7105100 A NL7105100 A NL 7105100A NL 7105100 A NL7105100 A NL 7105100A NL 175571 C NL175571 C NL 175571C
Authority
NL
Netherlands
Prior art keywords
switching device
frequency selection
diode switches
capacity diode
capacity
Prior art date
Application number
NL7105100A
Other languages
English (en)
Dutch (nl)
Other versions
NL7105100A (enExample
NL175571B (nl
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of NL7105100A publication Critical patent/NL7105100A/xx
Publication of NL175571B publication Critical patent/NL175571B/xx
Application granted granted Critical
Publication of NL175571C publication Critical patent/NL175571C/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
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • 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
    • H03J5/04—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 operated by hand
NL7105100A 1970-04-22 1971-04-16 Schakelinrichting voor frequentiekeuze met capaciteitsdiodeschakelingen. NL175571C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702019375 DE2019375C3 (de) 1970-04-22 1970-04-22 Anordnung zur Korrektur des Temperaturganges von Kapazitätsdiodenschaltungen, insbesondere bei Tastschaltungen für eine programmierte Frequenzwahl im Rundfunk- und Fernsehgeräten

Publications (3)

Publication Number Publication Date
NL7105100A NL7105100A (enExample) 1971-10-26
NL175571B NL175571B (nl) 1984-06-18
NL175571C true NL175571C (nl) 1984-11-16

Family

ID=5768805

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7105100A NL175571C (nl) 1970-04-22 1971-04-16 Schakelinrichting voor frequentiekeuze met capaciteitsdiodeschakelingen.

Country Status (7)

Country Link
AT (1) AT305395B (enExample)
BE (1) BE766091A (enExample)
DE (1) DE2019375C3 (enExample)
ES (1) ES390437A2 (enExample)
FR (1) FR2090569A5 (enExample)
GB (1) GB1347707A (enExample)
NL (1) NL175571C (enExample)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD66226A (enExample) *
US3011116A (en) * 1957-03-04 1961-11-28 Gen Dynamics Corp Temperature compensation in semiconductor devices
DE1538422B2 (de) * 1966-03-25 1975-03-27 Deutsche Itt Industries Gmbh, 7800 Freiburg Empfangsteil einer Fernbedienungseinrichtung
US3440544A (en) * 1966-11-01 1969-04-22 Motorola Inc Manual,automatic,and semiautomatic tuning circuits utilizing voltage variable capacitance diodes
GB1232202A (enExample) * 1967-08-14 1971-05-19

Also Published As

Publication number Publication date
BE766091A (fr) 1971-10-22
NL7105100A (enExample) 1971-10-26
DE2019375A1 (de) 1971-11-11
NL175571B (nl) 1984-06-18
FR2090569A5 (enExample) 1972-01-14
DE2019375C3 (de) 1981-04-16
GB1347707A (en) 1974-02-27
DE2019375B2 (de) 1975-08-21
ES390437A2 (es) 1974-09-01
AT305395B (de) 1973-02-26

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee