BE447317A - - Google Patents

Info

Publication number
BE447317A
BE447317A BE447317DA BE447317A BE 447317 A BE447317 A BE 447317A BE 447317D A BE447317D A BE 447317DA BE 447317 A BE447317 A BE 447317A
Authority
BE
Belgium
Prior art keywords
voltage
amplifier
resistor
circuit
gate
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE447317A publication Critical patent/BE447317A/fr

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/22Automatic control in amplifiers having discharge tubes
    • H03G3/26Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems
    • H03G3/28Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems in frequency-modulation receivers ; in angle-modulation receivers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/22Automatic control in amplifiers having discharge tubes
    • H03G3/26Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems

Landscapes

  • Noise Elimination (AREA)
BE447317D 1940-10-23 1942-09-25 BE447317A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447317XA 1940-10-23 1940-10-23

Publications (1)

Publication Number Publication Date
BE447317A true BE447317A (de) 1942-10-31

Family

ID=31989918

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447317D BE447317A (de) 1940-10-23 1942-09-25

Country Status (1)

Country Link
BE (1) BE447317A (de)

Similar Documents

Publication Publication Date Title
BE898477A (fr) Système de transmission de signaux digitaux.
BE447317A (de)
BE530294A (de)
BE392554A (de)
EP0031746A2 (de) Schaltung zur Demodulation eines digital modulierten Signals und eine solche Schaltung enthaltender Empfänger
BE475319A (de)
BE472174A (de)
EP0532400A1 (de) Diskriminator mit einer reduzierten Frequenzcharakteristik
CH209049A (fr) Dispositif pour supprimer dans un radio-récepteur la reproduction des bruits dans les intervalles entre les ondes porteuses.
BE475520A (de)
BE415069A (de)
CH189267A (fr) Appareil récepteur radio-électrique.
BE405632A (de)
BE387095A (de)
BE421619A (de)
BE416100A (de)
BE533532A (de)
WO2005091510A1 (fr) Procede de reduction du bruit dans un recepteur radiophonique, et recepteur mettant en oeuvre ce procede
BE422060A (de)
BE530091A (de)
CH107496A (fr) Procédé d'élimination de perturbations dans la réception des radio-communications et installation pour sa mise en oeuvre.
BE422795A (de)
BE407802A (de)
BE470044A (de)
CH316573A (fr) Dispositif limiteur d'amplitude et suppresseur de bruit