Principles of dual-mode crystal oscillators designing

This is the consequence of the fact that dual-mode oscillator may be used as self-temperature sensing device with excellent static and dynamic measuring resolution. In such devices the best volume coincidence of reference resonator and thermosensor is achieved. However dual-mode excitation of single crystal resonator is vexatious because of complex oscillations interaction in resonator and excitation circuit. In this paper the complex of problems related to dual-mode oscillation excitation is investigated