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
H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
H03B19/10—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using multiplication only
Landscapes
Other Investigation Or Analysis Of Materials By Electrical Means
(AREA)
Circuit de traitement des signaux de reception delivres par une mosaique de transducteurs ultrasonores individuels et appareil d'exploration de milieux par methode ultrasonore equipe d'un tel circuit de traitement
Procédé de modulation des émetteurs à tubes magnétrons et des émetteurs à tubes ayant les mêmes caractéristiques que les tubes magnétrons, et dispositif pour la mise en oeuvre de ce procédé.