VOLTAGE CONTROLLED OSCILLATOR

PURPOSE:To improve the frequency stability by temperature change of the voltage controlled oscillator. CONSTITUTION:A bias voltage compensation circuit comprising a thermister T, a resistor R3 and a temperature compensation varactor diode CR2 is added to a frequency control varactor diode CR1 receiv...

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Bibliographische Detailangaben
Hauptverfasser:	TANABE MOTOYASU, SUZUKI HIROKI, HOSHIGAMI HIROSHI
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:	PURPOSE:To improve the frequency stability by temperature change of the voltage controlled oscillator. CONSTITUTION:A bias voltage compensation circuit comprising a thermister T, a resistor R3 and a temperature compensation varactor diode CR2 is added to a frequency control varactor diode CR1 receiving a control voltage and a bias voltage to cancel due to a temperature of the element regulating the frequency of the voltage controlled oscillator is given to the frequency control varactor diode CR1.