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In this paper, we present the design, fabrication, and electrical characterization of a low-power microwave source for interrogation of cesium atomic hyperfine transition frequency using the coherent population trapping (CPT) technique. The 4.6-GHz frequency generation and signal buffering is performed by a single-chip frequency synthesizer ASIC with a frequency tuning resolution of $1\times 10^{\mathrm {\mathbf -{13}}}$ ...
In this paper, we present the characterization results of an optimized 4.6 GHz frequency synthesizer ASIC targeted for miniature atomic clock applications. Fabricated into a 130 nm RF CMOS process, the circuit occupies an active area of 2 mm2 and consumes 15 mW of power. The measured phase noise is about −85 dBc/Hz in the range of 2 kHz to 100 kHz frequency offset from the carrier. The circuit was...
Rakon has more than 30 years of esperience in the space domain (our crystal resonators have been ESCC qualified since 1979) and offers a complete range of solutions, from the highest-end, most demanding OCXO applications (such as DORIS) down to more standard solutions (such as down to 2ppm for 20 years lifetime all causes).
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