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New Rubidium Frequency Standard Designs for Telecommunications Applications

机译：新的铷频率标准设计用于电信应用

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摘要

Rubidium atomic frequency standards are being used increasingly in telecommunication applications, particularly wireless telephony networks. The possibility of frequency stability sufficient to eliminate the need for scheduled re-calibrations, along with small size, low power requirements, wide temperature range operation, and low cost make these devices attractive candidates for telecommunication applications. In this paper, two new Rb frequency standard designs are described which have been optimized for such applications. The first design is a low profile device, in a package less than 1 inch in height. This device is designed to operate over the temperature range -10 to +60 C, with less than 1E-10 frequency error. The second design is a wide temperature range device, which operates from -40 to +85 C, with less than 1E-10 frequency error. This unit employs a thermoelectric cooler to maintain the Rb absorption elements at acceptable temperatures at the high end of the ambient temperature range. These devices are presently in production. In this paper, performance results of production devices are presented, and discussed.
机译：铷原子频率标准正在电信应用中越来越多地使用，特别是无线电话网络。频率稳定性的可能性足以消除对预定校准的需求，以及小尺寸，低功耗要求，宽温度范围操作，以及低成本使这些设备具有有吸引力的电信应用的候选者。在本文中，描述了两个新的RB频率标准设计，这些设计已经针对这些应用进行了优化。第一设计是低调装置，在封装中占1英寸的高度。该装置设计成在-10至+60℃的温度范围内操作，频率小于1E-10。第二种设计是一个宽的温度范围器件，其从-40到+ 85℃操作，小于1E-10频率误差。该单元采用热电冷却器，以在环境温度范围的高端可接受的温度下维持RB吸收元件。这些设备目前在生产中。在本文中，提出并讨论了生产装置的性能结果。

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