In this thesis, the substrate integrated waveguide (SIW) technique is used to develop the X-band common-gate and common-source oscillators with a high output power and a good harmonic suppression.

• 本论文系研制一高解析度、低相位杂讯并且能够快速切换频率之本地振荡源模组， 采用分数式频率合成技术，并且利用差异积分调变器以有效解决分数突波问题， 提高频谱的纯净度。