BE674337A - - Google Patents

Info

Publication number
BE674337A
BE674337A BE674337A BE674337A BE674337A BE 674337 A BE674337 A BE 674337A BE 674337 A BE674337 A BE 674337A BE 674337 A BE674337 A BE 674337A BE 674337 A BE674337 A BE 674337A
Authority
BE
Belgium
Application number
BE674337A
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 US426847A external-priority patent/US3350575A/en
Application filed filed Critical
Publication of BE674337A publication Critical patent/BE674337A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION 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
    • H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using filters, including PLL-type filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
BE674337A 1965-01-21 1965-12-27 BE674337A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US426847A US3350575A (en) 1965-01-21 1965-01-21 Application of triangular waveforms to exponential impedance means to produce sinusoidal waveforms
US44852165A 1965-04-15 1965-04-15

Publications (1)

Publication Number Publication Date
BE674337A true BE674337A (ja) 1966-04-15

Family

ID=27027201

Family Applications (1)

Application Number Title Priority Date Filing Date
BE674337A BE674337A (ja) 1965-01-21 1965-12-27

Country Status (5)

Country Link
BE (1) BE674337A (ja)
CH (1) CH447272A (ja)
DE (2) DE1462652C3 (ja)
FR (1) FR1469559A (ja)
GB (1) GB1123079A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028743B1 (de) * 1979-11-08 1983-06-08 Hewlett-Packard GmbH Schaltung zur Erzeugung einer Sinusschwingung aus einer Dreiecksschwingung

Also Published As

Publication number Publication date
DE1487327A1 (de) 1969-04-03
CH447272A (de) 1967-11-30
DE1462652A1 (de) 1968-11-21
FR1469559A (fr) 1967-02-17
DE1462652C3 (de) 1974-03-07
DE1462652B2 (de) 1973-08-16
DE1487327B2 (de) 1971-11-25
GB1123079A (en) 1968-08-14

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