ADJUSTABLE FREQUENCY QUARTZ RESONATOR OSCILLATOR WITH RESONANCE IN HARMONIC MODES

摘要

P THE QUARTZ RESONATOR OSCILLATOR WITH RESONANCES IN PARTIAL MODES AND FREQUENCY TUNING ADJUSTMENT, INCLUDES, BETWEEN THE BASE OF TRANSISTOR 1 AND COMMON POINT 2, A DIPOLE INSERTED IN SERIES, COMPOSED OF INDUCTANCE 3 AND OF THE CAPACITOR 4, FORMING WITH THE CAPACITOR 5, INSERTED BETWEEN THE BASE AND THE TRANSMITTER OF THE TRANSISTOR 1, A SERIAL CIRCUIT OF WHICH THE RESONANCE FREQUENCY IS HIGHER THAN THE FUNDAMENTAL RESONANCE FREQUENCY OF THE QUARTER 6, BUT LOWER THAN THE FREQUENCY OF OSCILLATION USED FROM THE QUARTZ RESONATOR IN PARTIAL MODES 6, WHILE BETWEEN THE COMMON POINT 2 AND THE TRANSISTOR 1 TRANSMITTER IS INSERTED IN SERIES A DIPOLE, COMPOSED OF THE TUNING CAPACITOR 7 AND THE QUARTZ RESONATOR 6. / P