BE621889A - - Google Patents

Info

Publication number
BE621889A
BE621889A BE621889DA BE621889A BE 621889 A BE621889 A BE 621889A BE 621889D A BE621889D A BE 621889DA BE 621889 A BE621889 A BE 621889A
Authority
BE
Belgium
Application number
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.)
Publication of BE621889A publication Critical patent/BE621889A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H6/00Buildings for parking cars, rolling-stock, aircraft, vessels or like vehicles, e.g. garages
    • E04H6/08Garages for many vehicles
    • E04H6/12Garages for many vehicles with mechanical means for shifting or lifting vehicles
    • E04H6/30Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in horizontal direction only
    • E04H6/36Garages for many vehicles with mechanical means for shifting or lifting vehicles with means for transport in horizontal direction only characterised by use of freely-movable dollies
    • 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
    • H03B7/00Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/06Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being semiconductor device
    • H03B7/08Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being semiconductor device being a tunnel diode
    • 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
    • H03D7/02Transference of modulation from one carrier to another, e.g. frequency-changing by means of diodes
    • H03D7/04Transference of modulation from one carrier to another, e.g. frequency-changing by means of diodes having a partially negative resistance characteristic, e.g. tunnel diode
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/22Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/10Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes
    • H03F3/12Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes with Esaki diodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
BE621889D 1961-08-31 BE621889A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL268847 1961-08-31

Publications (1)

Publication Number Publication Date
BE621889A true BE621889A (xx)

Family

ID=19753264

Family Applications (1)

Application Number Title Priority Date Filing Date
BE621889D BE621889A (xx) 1961-08-31

Country Status (5)

Country Link
US (1) US3218573A (xx)
BE (1) BE621889A (xx)
DE (1) DE1441057A1 (xx)
GB (1) GB1006907A (xx)
NL (1) NL268847A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479525A (en) * 1965-11-05 1969-11-18 Aircraft Radio Corp Logarithmic signal compressor
US3815049A (en) * 1973-04-09 1974-06-04 Bell Telephone Labor Inc Negative resistance oscillator with active bias resistor for preventing spurious oscillations
EP1998439B1 (en) * 2006-03-20 2012-02-22 Fujitsu Limited Analog circuit
JP5632599B2 (ja) * 2009-09-07 2014-11-26 キヤノン株式会社 発振器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2841703A (en) * 1956-01-10 1958-07-01 Avco Mfg Corp Transistor mixer circuit with gain control
US2978578A (en) * 1959-01-28 1961-04-04 Philco Corp Improved transistorized mixing circuit
US2978576A (en) * 1960-03-01 1961-04-04 Gen Electric Radio-frequency amplifier and converter circuits
US3090926A (en) * 1960-07-15 1963-05-21 Siemens Ag Transistor amplifier with tunnel diode in emitter circuit

Also Published As

Publication number Publication date
DE1441057A1 (de) 1969-01-02
GB1006907A (en) 1965-10-06
NL268847A (xx)
US3218573A (en) 1965-11-16

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