DE754303C - UEberlagerungsempfaenger zum Empfang modulierter Traegerschwingungen - Google Patents

UEberlagerungsempfaenger zum Empfang modulierter Traegerschwingungen

Info

Publication number
DE754303C
DE754303C DEH143758D DEH0143758D DE754303C DE 754303 C DE754303 C DE 754303C DE H143758 D DEH143758 D DE H143758D DE H0143758 D DEH0143758 D DE H0143758D DE 754303 C DE754303 C DE 754303C
Authority
DE
Germany
Prior art keywords
frequency
circuit
capacitor
tuning
intermediate frequency
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
DEH143758D
Other languages
German (de)
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine 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
Priority claimed from US726931A external-priority patent/US2073344A/en
Application filed by Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of DE754303C publication Critical patent/DE754303C/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H03H7/0169—Intermediate frequency filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • F16J9/206—One-piece oil-scraping rings
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/14—Automatic detuning arrangements
    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1791—Combined LC in shunt or branch path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Superheterodyne Receivers (AREA)
DEH143758D 1934-05-22 1935-05-22 UEberlagerungsempfaenger zum Empfang modulierter Traegerschwingungen Expired DE754303C (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US726931A US2073344A (en) 1934-05-22 1934-05-22 Superheterodyne receiver
US59021A US2073345A (en) 1934-05-22 1936-01-14 Superheterodyne receiver

Publications (1)

Publication Number Publication Date
DE754303C true DE754303C (de) 1953-05-18

Family

ID=26738271

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH143758D Expired DE754303C (de) 1934-05-22 1935-05-22 UEberlagerungsempfaenger zum Empfang modulierter Traegerschwingungen

Country Status (5)

Country Link
US (1) US2073345A (enrdf_load_stackoverflow)
DE (1) DE754303C (enrdf_load_stackoverflow)
FR (1) FR790235A (enrdf_load_stackoverflow)
GB (1) GB442477A (enrdf_load_stackoverflow)
NL (2) NL50423C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2813155A (en) * 1954-02-23 1957-11-12 Motorola Inc Tone control for radio-phonograph combination
US3231840A (en) * 1962-04-25 1966-01-25 Hammond Organ Co Tuning coil arrangement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE485660C (de) * 1925-10-08 1929-11-06 Radiofrequenz G M B H Zwischenfrequenzverstaerker unter Verwendung von frequenzlinearen Abstimmitteln
CH166025A (de) * 1932-07-24 1933-12-15 Telefunken Gmbh Empfangsschaltung zur Erzeugung einer Schwebungsfrequenz.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE485660C (de) * 1925-10-08 1929-11-06 Radiofrequenz G M B H Zwischenfrequenzverstaerker unter Verwendung von frequenzlinearen Abstimmitteln
CH166025A (de) * 1932-07-24 1933-12-15 Telefunken Gmbh Empfangsschaltung zur Erzeugung einer Schwebungsfrequenz.

Also Published As

Publication number Publication date
NL50423C (enrdf_load_stackoverflow)
NL51540C (enrdf_load_stackoverflow)
GB442477A (en) 1936-02-10
FR790235A (fr) 1935-11-16
US2073345A (en) 1937-03-09

Similar Documents

Publication Publication Date Title
DE2828838C2 (de) HF-Eingangsschaltung für Fernsehempfänger
DE2211347C3 (de) Schaltungsanordnung zur Veränderung des dynamischen Bereiches von Signalen
DE3407198C2 (enrdf_load_stackoverflow)
DE3123973C2 (de) Phasenregelschaltung
DD43058B1 (de) Schaltung zur elektronischen abstimmung eines funkempfangsgeraetes
DE754303C (de) UEberlagerungsempfaenger zum Empfang modulierter Traegerschwingungen
DE1906957C3 (de) Demodulatorverstärker für winkelmodulierte elektrische Hochfrequenzschwingungen
DE2909997A1 (de) Vhf-tuner
DE2031294C3 (de) Abstbnmvorrichtung für hochfrequente elektrische Schwingungen
AT155853B (de) Überlagerungsempfänger.
DE755065C (de) Selbstschwingende Mischroehrenschaltung
DE1079702B (de) Schaltung zur automatischen Entzerrung eines FM-UEbertragungssystems
DE669304C (de) Schaltung zur UEbertragung modulierter Hochfrequenzschwingungen mit Hilfe gekoppelter Schwingungskreise
AT158365B (de) Schaltung zum Empfang modulierter Trägerfrequenzschwingungen.
DE576863C (de) UEberlagerungs-Empfaenger mit Fernbedienung
DE2724076C3 (de) Fernsehempfänger zum Empfang von Fernseh- und Ton-Rundfunksignalen
DE718515C (de) UEberlagerungsempfaenger mit linear arbeitendem Zwischenfrequenzdemodulator und durch Verschiebung des Zwischenfrequenzbandes gegenueber einem Zwischenfrequenzfilter veraenderbarer Bandbreite
DE747411C (de) Schaltung zur Frequenzreglung
AT145336B (de) Überlagerungsempfangsanordnung.
DE1909974B2 (de) Fernsehempfänger für UHF- und VHF-Empfang
DE681129C (de) Empfaenger mit Bandbreitenregelung im Hochfrequenzteil
AT159258B (de) Schaltung zur Regelung der Resonanzfrequenz.
DE698646C (de) Hochfrequenzverstaerker mit einer Rueckkopplung von einem Schwingungskreis aus auf einen in einer vorhergehenden Roehrenstufe liegenden gleichabgestimmten Schwingungskreis
DE708714C (de) Schaltung zur automatischen Regelung der durchgelassenen Seiteubandbreite
AT152401B (de) Schaltung zur Regelung der Resonanzfrequenz eines elektrischen Schwingungskreises.