一种变感式LC压控振荡器设计

Design of the Variable Inductor Voltage Controlled Oscillator

目前压控振荡器应用广泛,而大部分压控振荡器都采用变容二极管方式实现。根据非晶金属的磁化特性,提出一种变感式LC压控振荡器的设计方法。阐述了压控电感的工作原理和制作工艺,给出了振荡器、双失谐回路斜率鉴频器和磁化电感控制电路原理图,并详述了其工作原理。通过试验验证,该型压控振荡器性能优良稳定,线性度好,灵敏度高,具有良好的创新性和新颖性,开创了一种新型压控振荡器的设计方向。

At present it has a wide applications with VCO, the mostly parts adopt variable capacitance diode to achieve VCO. According as magnetization characteristic of amorphous metals, this article proposes the design method of variable inductor VCO.The working principle and fabricate technics of voltage controlled inductor are described. The circuit diagram of oscillatoriedouble detuning loop slope fi＇cquency discriminator and magnetization inductor arc given, its working principle is introduced.Through experimental verification, the VCO has the advantage of cxccllent perfomaanceicgood linearity and high sensitivity. It has novcl innovation and crcalcs a new design direction about VCO.