AU475192B2 - Method for coupling and bandpass control in uhf varactor tuners - Google Patents

Method for coupling and bandpass control in uhf varactor tuners

Info

Publication number
AU475192B2
AU475192B2 AU59449/73A AU5944973A AU475192B2 AU 475192 B2 AU475192 B2 AU 475192B2 AU 59449/73 A AU59449/73 A AU 59449/73A AU 5944973 A AU5944973 A AU 5944973A AU 475192 B2 AU475192 B2 AU 475192B2
Authority
AU
Australia
Prior art keywords
coupling
bandpass control
uhf
tuners
varactor tuners
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
AU59449/73A
Other languages
English (en)
Other versions
AU5944973A (en
Inventor
Bastian Elmer
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.)
Oak Industries Inc
Original Assignee
Oak Industries Inc
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 Oak Industries Inc filed Critical Oak Industries Inc
Publication of AU5944973A publication Critical patent/AU5944973A/en
Application granted granted Critical
Publication of AU475192B2 publication Critical patent/AU475192B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/006—Casings specially adapted for signal processing applications, e.g. CATV, tuner, antennas amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
    • H03D9/0625—Transference of modulation using distributed inductance and capacitance by means of diodes mounted in a coaxial resonator structure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structure Of Receivers (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
AU59449/73A 1972-11-20 1973-08-21 Method for coupling and bandpass control in uhf varactor tuners Expired AU475192B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30800972A 1972-11-20 1972-11-20
USUS308,009 1972-11-20

Publications (2)

Publication Number Publication Date
AU5944973A AU5944973A (en) 1975-02-27
AU475192B2 true AU475192B2 (en) 1976-08-12

Family

ID=23192145

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59449/73A Expired AU475192B2 (en) 1972-11-20 1973-08-21 Method for coupling and bandpass control in uhf varactor tuners

Country Status (5)

Country Link
US (1) US3783420A (cg-RX-API-DMAC7.html)
JP (1) JPS4984111A (cg-RX-API-DMAC7.html)
AR (1) AR197629A1 (cg-RX-API-DMAC7.html)
AU (1) AU475192B2 (cg-RX-API-DMAC7.html)
BR (1) BR7308128D0 (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133760C2 (de) * 1981-08-26 1983-09-01 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Empfangsstufe für Rundfunk- und Fernsehempfänger
US4742569A (en) * 1985-08-07 1988-05-03 Toko, Inc. Tuning circuit for AM receiver
US6760230B2 (en) * 2001-02-28 2004-07-06 Andrew Corporation Compact, high efficiency, high isolation power amplifier
JP3096172U (ja) * 2003-02-27 2003-09-05 アルプス電気株式会社 テレビジョンチューナ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE468394A (cg-RX-API-DMAC7.html) * 1945-01-31

Also Published As

Publication number Publication date
AR197629A1 (es) 1974-04-23
JPS4984111A (cg-RX-API-DMAC7.html) 1974-08-13
BR7308128D0 (pt) 1974-11-12
AU5944973A (en) 1975-02-27
US3783420A (en) 1974-01-01

Similar Documents

Publication Publication Date Title
CA947521A (en) Defrosting arrangement and method for a refrigeration system
CA988729A (en) Method and apparatus for making clear ice
CA997066A (en) Conditioning circuit and method for variable frequency sensor
CA993471A (en) Identification cards and method of making the same
CA994908A (en) Antenna windshields and method of producing the same
CA982851A (en) Uhf tuning mechanism
AU475192B2 (en) Method for coupling and bandpass control in uhf varactor tuners
CA1003104A (fr) Carte magnetique et son procede de fabrication
CA999486A (en) Sandwich making apparatus and method
CA990563A (en) Denester synchronizer apparatus and method
CA974616A (en) Vernier tuning means for uhf tuner or the like
AU469844B2 (en) Sot cheese and process for making same
AU3904072A (en) Thermally responsive switch and method for making thesame
CA982850A (en) Uhf tuner arrangement
AU4486672A (en) Absorption refrigeration control apparatus and method
CA910676A (en) Uhf tuner
AU476520B2 (en) Absorption refrigeration system and method
AU457546B2 (en) Uhf oscillator
AU474608B2 (en) Trimmer fora tuned uhf line
CA934480A (en) Radio frequency transistor structure and method for making
CA965986A (en) Uhf tuning mechanism
CA899368A (en) Epoxyalkylphosphine oxides and process for making them
CA980305A (en) Ice making and dispensing apparatus and method
CA962751A (en) Grinding system and method
CA906068A (en) Solid state tuned uhf television tuner