SINE WAVE OSCILLATOR HAVING A SELF-STARTUP CIRCUIT

Disclosed herein is a sine wave oscillator. The sine wave oscillator includes an operational amplification unit, a first resistor, a first capacitor, a second capacitor, a second resistor, a third resistor, a fourth resistor, and a startup circuit. The first ends of the first resistor and the first...

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Bibliographische Detailangaben
1. Verfasser:	SOH MYUNG JIN
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:	Disclosed herein is a sine wave oscillator. The sine wave oscillator includes an operational amplification unit, a first resistor, a first capacitor, a second capacitor, a second resistor, a third resistor, a fourth resistor, and a startup circuit. The first ends of the first resistor and the first capacitor are connected to the plus input terminal of the operational amplification unit. The first end of the second capacitor is connected to the plus input terminal. The first end of the second resistor is connected to the second end of the second capacitor and its second end is connected to the output terminal of the operational amplification unit. The first end of the third resistor is connected to the minus input terminal of the operational amplification unit. The fourth resistor is connected between the minus input terminal and the output terminal. The first end of the startup circuit is connected to the minus input terminal.