JPS5317841B1 - - Google Patents

Info

Publication number
JPS5317841B1
JPS5317841B1 JP2299666A JP2299666A JPS5317841B1 JP S5317841 B1 JPS5317841 B1 JP S5317841B1 JP 2299666 A JP2299666 A JP 2299666A JP 2299666 A JP2299666 A JP 2299666A JP S5317841 B1 JPS5317841 B1 JP S5317841B1
Authority
JP
Japan
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.)
Pending
Application number
JP2299666A
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 filed Critical
Publication of JPS5317841B1 publication Critical patent/JPS5317841B1/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14Demodulator circuits; Receiver circuits
    • H04L27/144Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/148Demodulator 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
    • 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
    • H03B28/00Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H03F3/3069Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output
    • H03F3/3076Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor the emitters of complementary power transistors being connected to the output with symmetrical driving of the end stage
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G11/00Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
    • H03G11/02Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general by means of diodes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/34Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/341Muting when no signals or only weak signals are present
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G7/00Volume compression or expansion in amplifiers
    • H03G7/001Volume compression or expansion in amplifiers without controlling loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/13Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/10Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14Demodulator circuits; Receiver circuits
    • H04L27/144Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239Indexing 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)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Manipulation Of Pulses (AREA)
  • Logic Circuits (AREA)
  • Electronic Switches (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Small-Scale Networks (AREA)
JP2299666A 1965-04-15 1966-04-13 Pending JPS5317841B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44852165A 1965-04-15 1965-04-15

Publications (1)

Publication Number Publication Date
JPS5317841B1 true JPS5317841B1 (ja) 1978-06-12

Family

ID=23780623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2299666A Pending JPS5317841B1 (ja) 1965-04-15 1966-04-13

Country Status (6)

Country Link
US (1) US3432616A (ja)
JP (1) JPS5317841B1 (ja)
CH (5) CH450500A (ja)
DE (4) DE1462671B2 (ja)
GB (6) GB1137710A (ja)
NL (1) NL6604814A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577234A (en) * 1983-10-31 1986-03-18 Rca Corporation Driver amplifier for an image display device
GB2227385A (en) * 1988-11-24 1990-07-25 Motorola Inc Soft limiting microphone amplifier circuit
GB2295289B (en) * 1992-10-28 1996-07-17 Plessey Semiconductors Ltd Wideband constant impedance amplifiers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171010B (de) * 1962-08-03 1964-05-27 Telefunken Patent Transistorisierter und temperatur-kompensierter Schmitt-Trigger zur Verwendung als Spannungsdiskriminator, insbesondere fuer Regeleinrichtungen der Nachrichtentechnik
DE1172305B (de) * 1962-09-01 1964-06-18 Pollux G M B H Elektronischer Schalter
CH411034A (de) * 1963-11-29 1966-04-15 Landis & Gyr Ag Kippschaltung
US3371291A (en) * 1965-01-11 1968-02-27 Astrodata Inc Current control of oscillator frequency

Also Published As

Publication number Publication date
GB1137707A (en) 1968-12-27
DE1462672B2 (de) 1971-06-24
DE1462671B2 (de) 1971-11-18
GB1137708A (en) 1968-12-27
DE1462672A1 (de) 1968-12-05
GB1137710A (en) 1968-12-27
DE1274638B (de) 1968-08-08
CH450500A (de) 1968-01-31
CH445563A (de) 1967-10-31
DE1462671A1 (de) 1969-02-27
CH445557A (de) 1967-10-31
DE1462670A1 (de) 1968-12-19
US3432616A (en) 1969-03-11
GB1137706A (en) 1968-12-27
GB1137705A (en) 1968-12-27
DE1462670B2 (de) 1971-09-16
GB1137709A (en) 1968-12-27
CH431628A (de) 1967-03-15
CH434353A (de) 1967-04-30
NL6604814A (ja) 1966-10-17

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