DE840261C - Oszillatorschaltung fuer UEberlagerungsempfaenger - Google Patents

Oszillatorschaltung fuer UEberlagerungsempfaenger

Info

Publication number
DE840261C
DE840261C DEP26145A DEP0026145A DE840261C DE 840261 C DE840261 C DE 840261C DE P26145 A DEP26145 A DE P26145A DE P0026145 A DEP0026145 A DE P0026145A DE 840261 C DE840261 C DE 840261C
Authority
DE
Germany
Prior art keywords
coil
self
induction
circuit
parts
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
DEP26145A
Other languages
German (de)
English (en)
Inventor
Carel Jan Van Loon
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE840261C publication Critical patent/DE840261C/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/26Circuits for superheterodyne receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
DEP26145A 1947-04-09 1948-12-23 Oszillatorschaltung fuer UEberlagerungsempfaenger Expired DE840261C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL266252X 1947-04-09

Publications (1)

Publication Number Publication Date
DE840261C true DE840261C (de) 1952-05-29

Family

ID=19781739

Family Applications (1)

Application Number Title Priority Date Filing Date
DEP26145A Expired DE840261C (de) 1947-04-09 1948-12-23 Oszillatorschaltung fuer UEberlagerungsempfaenger

Country Status (6)

Country Link
US (1) US2531312A (en, 2012)
BE (1) BE481727A (en, 2012)
CH (1) CH266252A (en, 2012)
DE (1) DE840261C (en, 2012)
FR (1) FR964332A (en, 2012)
GB (1) GB643918A (en, 2012)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790906A (en) * 1949-05-28 1957-04-30 Hammond Organ Co Electronic oscillator
GB701040A (en) * 1949-07-11 1953-12-16 Rene Seybold Improvements in or relating to electrical musical instruments
US2745961A (en) * 1951-11-03 1956-05-15 Rca Corp Multiband u. h. f. oscillators
US2757283A (en) * 1952-10-15 1956-07-31 Bell Telephone Labor Inc System producing nulls in electrical networks
US2806953A (en) * 1954-10-13 1957-09-17 Conn Ltd C G Electronic oscillator for producing frequencies of musical tones
US2801341A (en) * 1956-01-24 1957-07-30 David L Jaffe Oscillator
US3198549A (en) * 1962-02-02 1965-08-03 Otto L Martin Fifth wheel coupling device
US3252086A (en) * 1962-07-16 1966-05-17 Moisture Register Company Electrical apparatus for determining moisture content by measurement of dielectric loss utilizing an oscillator having a resonant tank circuit
DE3213435A1 (de) * 1982-04-10 1983-10-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vierpolanordnung
JP2005534203A (ja) * 2001-10-16 2005-11-10 株式会社RfStream モノリシック集積回路上に受信機を実施するための方法および装置
US7199844B2 (en) 2002-05-28 2007-04-03 Rfstream Corporation Quadratic nyquist slope filter
CN1656678A (zh) * 2002-05-29 2005-08-17 Rf信息公司 镜像干扰抑制二次滤波器
US6954115B2 (en) * 2002-05-29 2005-10-11 Rf Stream Corporation Methods and apparatus for tuning successive approximation
US6882245B2 (en) * 2002-06-05 2005-04-19 Rf Stream Corporation Frequency discrete LC filter bank
US7333155B2 (en) * 2002-06-05 2008-02-19 Rfstream Corporation Quadratic video demodulation with baseband nyquist filter
US6940365B2 (en) * 2003-07-18 2005-09-06 Rfstream Corporation Methods and apparatus for an improved discrete LC filter
EP1861925A2 (en) * 2005-03-11 2007-12-05 Corporation Rfstream Radio frequency inductive-capacitive filter circuit topology
WO2006099161A2 (en) 2005-03-11 2006-09-21 Rfstream Corporation A mosfet temperature compensation current source

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE629901C (de) * 1934-08-11 1936-05-14 Telefunken Gmbh Oszillatorschaltung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR559477A (fr) * 1922-12-06 1923-09-15 Générateur d'oscillations électriques de haute fréquence, entretenues, à tube à vide à trois électrodes
US1931338A (en) * 1932-01-20 1933-10-17 Hazeltine Corp Oscillator-modulator circuit
US2036319A (en) * 1935-09-28 1936-04-07 Hazeltine Corp Oscillation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE629901C (de) * 1934-08-11 1936-05-14 Telefunken Gmbh Oszillatorschaltung

Also Published As

Publication number Publication date
FR964332A (en, 2012) 1950-08-10
CH266252A (de) 1950-01-15
GB643918A (en) 1950-09-27
BE481727A (en, 2012)
US2531312A (en) 1950-11-21

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