GB1337332A - Variable capacity diode arrangements - Google Patents

Variable capacity diode arrangements

Info

Publication number
GB1337332A
GB1337332A GB2140471A GB2140471A GB1337332A GB 1337332 A GB1337332 A GB 1337332A GB 2140471 A GB2140471 A GB 2140471A GB 2140471 A GB2140471 A GB 2140471A GB 1337332 A GB1337332 A GB 1337332A
Authority
GB
United Kingdom
Prior art keywords
variable capacity
substrate
diode
component
tuning
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2140471A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1337332A publication Critical patent/GB1337332A/en
Expired legal-status Critical Current

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
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Filters And Equalizers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
GB2140471A 1970-02-12 1971-04-19 Variable capacity diode arrangements Expired GB1337332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702006333 DE2006333B2 (de) 1970-02-12 1970-02-12 Kapazitaetsdiodensatz als abstimmelement

Publications (1)

Publication Number Publication Date
GB1337332A true GB1337332A (en) 1973-11-14

Family

ID=5762059

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2140471A Expired GB1337332A (en) 1970-02-12 1971-04-19 Variable capacity diode arrangements

Country Status (12)

Country Link
US (1) US3794942A (enExample)
JP (1) JPS518761B1 (enExample)
AT (1) AT301713B (enExample)
CA (1) CA929672A (enExample)
CH (1) CH519268A (enExample)
DE (1) DE2006333B2 (enExample)
DK (1) DK124569B (enExample)
ES (1) ES388119A1 (enExample)
FR (1) FR2078420A5 (enExample)
GB (1) GB1337332A (enExample)
NL (1) NL7101599A (enExample)
SE (1) SE359189B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4023053A (en) * 1974-12-16 1977-05-10 Tokyo Shibaura Electric Co., Ltd. Variable capacity diode device
JPS5951141B2 (ja) 1977-03-10 1984-12-12 三洋電機株式会社 選局装置
US4621205A (en) * 1984-01-16 1986-11-04 Hewlett-Packard Company Method and apparatus for reducing varactor noise

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1803883A1 (de) * 1968-10-18 1970-05-27 Siemens Ag Durch mindestens zwei abstimmbare Kapazitaetsdioden gesteuerte elektrische Anordnung

Also Published As

Publication number Publication date
FR2078420A5 (enExample) 1971-11-05
US3794942A (en) 1974-02-26
SE359189B (enExample) 1973-08-20
CH519268A (de) 1972-02-15
JPS518761B1 (enExample) 1976-03-19
DE2006333B2 (de) 1972-10-05
DE2006333A1 (de) 1971-08-19
AT301713B (de) 1972-09-11
NL7101599A (enExample) 1971-08-16
DK124569B (da) 1972-10-30
ES388119A1 (es) 1973-05-01
CA929672A (en) 1973-07-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees