Title :
Design and performance of an extremely low noise surface acoustic wave oscillator
Author :
Montress, Gary K. ; Parker, Thomas E.
Author_Institution :
Res. Div., Raytheon Co., Lexington, MA, USA
Abstract :
The design, component selection, and performance of an extremely low noise (PM and AM) all quartz package (AQP) surface acoustic wave (SAW) resonator hybrid circuit oscillator are described in detail. The prototype 400 MHz hybrid circuit oscillator´s measured white phase noise floor is -185 dBc/Hz for carrier offset frequencies greater than 400 kHz. This is the best result yet reported for a SAW resonator oscillator´s white phase noise floor, particularly for a hybrid circuit oscillator, and is almost 2 dB better than the previous best reported result for a discrete component, printed circuit board design. The oscillator´s flicker FM (Sφ(f)~f-3) phase noise level at 10 Hz carrier offset is approximately -80 dBc/Hz. A UTO-1023 (Avantek) amplifier in substrate carrier form was used in the oscillator´s feedback loop, and a buffer amplifier was not included in this prototype design
Keywords :
electric noise measurement; phase noise; quartz; surface acoustic wave oscillators; white noise; 10 Hz; 400 MHz; 400 kHz; AM; Avantek amplifier; PM; SiO2; UTO-1023 amplifier; all quartz package; buffer amplifier; carrier offset frequencies; component selection; design; flicker FM phase noise; hybrid circuit oscillator; low noise surface acoustic wave oscillator; oscillator feedback loop; performance; printed circuit board design; prototype design; substrate carrier; surface acoustic wave resonator; white phase noise floor; Acoustic measurements; Acoustic noise; Acoustic waves; Circuit noise; Frequency measurement; Oscillators; Packaging; Phase noise; Prototypes; Surface acoustic waves;
Conference_Titel :
Frequency Control Symposium, 1994. 48th., Proceedings of the 1994 IEEE International
Conference_Location :
Boston, MA
Print_ISBN :
0-7803-1945-1
DOI :
10.1109/FREQ.1994.398310
