Differential oscillator

A differential oscillator oscillating at a desired frequency is provided. The differential oscillator includes a resonator, a differential amplifier circuit, and a filter. The resonator has at least a first resonance mode and a second resonance mode. The differential amplifier circuit is configured...

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Main Authors NAKAOKA, TAKASHI, HOSHIGAMI, HIROSHI
Format Patent
LanguageChinese
English
Published 16.04.2015
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
GENERATION OF NOISE BY SUCH CIRCUITS
GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER
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Abstract A differential oscillator oscillating at a desired frequency is provided. The differential oscillator includes a resonator, a differential amplifier circuit, and a filter. The resonator has at least a first resonance mode and a second resonance mode. The differential amplifier circuit is configured to oscillate the resonator. The filter is disposed in parallel to the resonator and the differential amplifier circuit. The filter has a first resonance frequency in the first resonance mode and a second resonance frequency in the second resonance mode. The filter has a lower impedance at one frequency in one of the first resonance frequency and the second resonance frequency than an impedance at one frequency at another in the first resonance frequency and the second resonance frequency. The differential oscillator has a negative resistance at a frequency at which the impedance of the filter is higher while the differential oscillator does not have a negative resistance at a frequency at which the impedance of the
AbstractList A differential oscillator oscillating at a desired frequency is provided. The differential oscillator includes a resonator, a differential amplifier circuit, and a filter. The resonator has at least a first resonance mode and a second resonance mode. The differential amplifier circuit is configured to oscillate the resonator. The filter is disposed in parallel to the resonator and the differential amplifier circuit. The filter has a first resonance frequency in the first resonance mode and a second resonance frequency in the second resonance mode. The filter has a lower impedance at one frequency in one of the first resonance frequency and the second resonance frequency than an impedance at one frequency at another in the first resonance frequency and the second resonance frequency. The differential oscillator has a negative resistance at a frequency at which the impedance of the filter is higher while the differential oscillator does not have a negative resistance at a frequency at which the impedance of the
Author NAKAOKA, TAKASHI
HOSHIGAMI, HIROSHI
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Snippet A differential oscillator oscillating at a desired frequency is provided. The differential oscillator includes a resonator, a differential amplifier circuit,...
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SubjectTerms BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
GENERATION OF NOISE BY SUCH CIRCUITS
GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER
Title Differential oscillator
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