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ES181926A1 - Mejoras en aparatos radiorreceptores - Google Patents

Mejoras en aparatos radiorreceptores

Info

Publication number
ES181926A1
ES181926A1 ES0181926A ES181926A ES181926A1 ES 181926 A1 ES181926 A1 ES 181926A1 ES 0181926 A ES0181926 A ES 0181926A ES 181926 A ES181926 A ES 181926A ES 181926 A1 ES181926 A1 ES 181926A1
Authority
ES
Spain
Prior art keywords
steps
radio
adjustment
double
adjusted
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
ES0181926A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES181926A1 publication Critical patent/ES181926A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/22—Circuits for receivers in which no local oscillation is generated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Microwave Amplifiers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
ES0181926A 1942-06-12 1948-01-29 Mejoras en aparatos radiorreceptores Expired ES181926A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US446780A US2357442A (en) 1942-06-12 1942-06-12 Radio receiver

Publications (1)

Publication Number Publication Date
ES181926A1 true ES181926A1 (es) 1948-03-01

Family

ID=23773810

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0181926A Expired ES181926A1 (es) 1942-06-12 1948-01-29 Mejoras en aparatos radiorreceptores

Country Status (4)

Country Link
US (1) US2357442A (de)
BE (1) BE480686A (de)
CH (1) CH257896A (de)
ES (1) ES181926A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547793A (en) * 1942-01-05 1951-04-03 Hartford Nat Bank & Trust Co Slide core coil for a tuned circuit having a constant selectivity
US2581165A (en) * 1947-01-02 1952-01-01 Lionel Corp Variable tuning device
US2770683A (en) * 1952-06-18 1956-11-13 Philco Corp Neutralized amplifier circuit
US3292099A (en) * 1962-09-14 1966-12-13 Gen Electric Two-stage intermediate frequency amplifier

Also Published As

Publication number Publication date
BE480686A (de)
CH257896A (de) 1948-10-31
US2357442A (en) 1944-09-05

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