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
H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
H03B7/04—Generation 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 vacuum tube
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Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators
(AREA)
Installation de signalisation électrique multiplex par ondes de hautes fréquences, disposée en vue d'éviter que les signaux émis par une station affectent les appareils récepteurs de la même station.