HIGH-SPEED OSCILLATION CIRCUIT WITH LOW-TEMPERATURE COEFFICIENT

HIGH-SPEED OSCILLATION CIRCUIT WITH LOW-TEMPERATURE COEFFICIENT

An oscillation circuit that is robust and more accurate is provided. The oscillation circuit includes a reference voltage generator, a voltage-to-current converter, a capacitor, a pull-low circuit, and a single-ended input comparator. The reference voltage generator is used for generating a voltage...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Lin, Chung-Wei, Tzeng, Guang-Nan
Format: Patent
Sprache:eng
Schlagworte:
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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Beschreibung
Zusammenfassung:An oscillation circuit that is robust and more accurate is provided. The oscillation circuit includes a reference voltage generator, a voltage-to-current converter, a capacitor, a pull-low circuit, and a single-ended input comparator. The reference voltage generator is used for generating a voltage signal. The voltage-to-current converter receives the voltage signal for generating a reference current. The capacitor is coupled to the voltage-to-current converter for generating a ramp signal. The single-ended input comparator receives the ramp signal for generating a clock signal. The pull-low circuit receives the clock signal for pulling the ramp signal low.