A low-cost, Nist-traceable, high performance dielectric resonator Master Oscillator

Conference · Sat May 01 00:00:00 EDT 1999

DOI:https://doi.org/10.1109/PAC.1999.795349· OSTI ID:755562

Doolittle, L R; Hovater, C; Merminga, L; Musson, J; Wiseman, W

The current CEBAF Master Oscillator (MO) uses a quartz-based 10 MHz reference to synthesize 70 MHz and 499 MHz, which are then distributed to each of the klystron galleries on site. Due to the specialized nature of CEBAF's MO requirements, it has been determined that an in-house design and fabrication would provide a cost-effective alternative to purchasing or modifying vendor equipment. A Global Positioning System (GPS) disciplined, Direct Digital Synthesis (DDS) based MO is proposed which incorporates low-cost consumer RF components, designed for cellular communications. A 499 MHz Dielectric Resonant Oscillator (DRO) Voltage Controlled Oscillator (VCO) is phase-locked to a GPS-disciplined 10 MHz reference, and micro-tuned via a DDS, in an effort to achieve the lowest phase noise possible.

• Research Organization: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
• Sponsoring Organization: USDOE Office of Energy Research (ER) (US)
• DOE Contract Number: AC05-84ER40150
• OSTI ID: 755562
• Report Number(s): DOE/ER/40150-1452; JLAB-ACE-99-04; TRN: US0002553
• Resource Relation: Conference: 1999 Particle Accelerator Conference, New York, NY (US), 03/29/1999--04/02/1999; Other Information: PBD: 1 May 1999
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
CEBAF ACCELERATOR
KLYSTRONS
RF SYSTEMS
OSCILLATORS
FABRICATION
PROCUREMENT
DESIGN