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SOC IND DES PROCEDES LOTH
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SOC IND DES PROCEDES LOTH
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Publication of FR56137EpublicationCriticalpatent/FR56137E/en
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
H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
FR56137D1944-04-281944-04-28 Improvement in high-precision automatic tuning systems for the frequencies of a radio-wave transmitter or receiverExpiredFR56137E (en)