IT1114622B - Circuito di sintonizzazione per apparecchi ricevitori di alta frequenza secondo il principio etepodina - Google Patents

Circuito di sintonizzazione per apparecchi ricevitori di alta frequenza secondo il principio etepodina

Info

Publication number
IT1114622B
IT1114622B IT25322/77A IT2532277A IT1114622B IT 1114622 B IT1114622 B IT 1114622B IT 25322/77 A IT25322/77 A IT 25322/77A IT 2532277 A IT2532277 A IT 2532277A IT 1114622 B IT1114622 B IT 1114622B
Authority
IT
Italy
Prior art keywords
etepodina
principle
high frequency
equipment according
tuning circuit
Prior art date
Application number
IT25322/77A
Other languages
English (en)
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Application granted granted Critical
Publication of IT1114622B publication Critical patent/IT1114622B/it

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Analogue/Digital Conversion (AREA)
IT25322/77A 1976-07-16 1977-07-01 Circuito di sintonizzazione per apparecchi ricevitori di alta frequenza secondo il principio etepodina IT1114622B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2632025A DE2632025C3 (de) 1976-07-16 1976-07-16 Abstimmschaltung für Hochfrequenzempfangsgeräte mit einem Überlagerungsoszillator

Publications (1)

Publication Number Publication Date
IT1114622B true IT1114622B (it) 1986-01-27

Family

ID=5983174

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25322/77A IT1114622B (it) 1976-07-16 1977-07-01 Circuito di sintonizzazione per apparecchi ricevitori di alta frequenza secondo il principio etepodina

Country Status (5)

Country Link
US (1) US4114100A (it)
JP (1) JPS5311505A (it)
DE (1) DE2632025C3 (it)
FR (1) FR2358782A2 (it)
IT (1) IT1114622B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298988A (en) * 1979-02-08 1981-11-03 Jerrold Electronics Corp. Digital channel selection and fine tuning system
USRE32686E (en) * 1979-02-08 1988-05-31 General Instrument Corporation Digital frequency lock tuning system
US4476584A (en) * 1979-02-08 1984-10-09 Jerrold Electronics Corporation Digital frequency lock tuning system
DE3025358A1 (de) * 1980-07-04 1982-01-21 Deutsche Itt Industries Gmbh, 7800 Freiburg Regelsystem zum einstellen einer physikalischen groesse
US4374437A (en) * 1980-12-29 1983-02-15 Zenith Radio Corporation Variable ramp speed TV tuning system for rapid channel tuning
DE3126116A1 (de) * 1981-07-02 1983-01-20 Blaupunkt-Werke Gmbh, 3200 Hildesheim Abstimmeinrichtung fuer digitale senderwahl in rundfunkempfaengern, insbesondere in ukw-empfaengern
JPS58157573A (ja) * 1982-03-11 1983-09-19 Koike Sanso Kogyo Co Ltd 金属の加工装置
JPS58179572A (ja) * 1982-04-12 1983-10-20 Koike Sanso Kogyo Co Ltd 金属の加工方法及びその加工装置
JP4628440B2 (ja) * 2008-03-31 2011-02-09 富士通株式会社 クロック発生機能付き装置、基準周波数等設定方法、および基準周波数等調整方法
US10879922B2 (en) * 2018-08-16 2020-12-29 Microchip Technology Incorporated Time-based, current-controlled paired oscillator analog-to-digital converter with selectable resolution

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846707A (en) * 1970-11-04 1974-11-05 Matsushita Electric Co Ltd Channel selection device
US3822405A (en) * 1971-12-10 1974-07-02 Matsushita Electric Ind Co Ltd Channel selecting apparatus
US3942121A (en) * 1974-09-09 1976-03-02 Texas Instruments Incorporated Digital tuning method and system
US3962640A (en) * 1974-09-09 1976-06-08 Texas Instruments Incorporated Frequency selection and control
US3943449A (en) * 1974-09-09 1976-03-09 Zenith Radio Corporation Multi-speed ramp for a varactor tuning system
US3913020A (en) * 1974-11-29 1975-10-14 Quasar Electronics Corp Electronic television tuning system
DE2556951B2 (de) * 1974-12-27 1981-07-16 Fujitsu Ten Ltd., Kobe, Hyogo Abstimmeinrichtung für Funkempfänger

Also Published As

Publication number Publication date
US4114100A (en) 1978-09-12
JPS5311505A (en) 1978-02-02
DE2632025B2 (de) 1980-10-09
FR2358782A2 (fr) 1978-02-10
DE2632025A1 (de) 1978-01-26
DE2632025C3 (de) 1981-07-16

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