Abstract
The paper describes the reproducibility of resonance frequency measurements for GHz band lead-less crystal units for international standards. The paper examines reflection as a new measurement method, which achieves crystal unit reproducibility with accuracy on the level of 10/sup -6/. The admittance circle technique and mid-frequency locus technique are applied as basic measurement methods. The frequency range of the measurement method is 150 MHz to 3 GHz. The admittance circle technique is applied to crystal units of M>2. The mid-frequency locus technique is applied to crystal units of M/spl les/2. Frequency measurement reproducibility for 600 MHz, 1.8 GHz, and 3 GHz crystal units is about /spl plusmn/1/spl times/10/sup -6/.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
