Physics Element Design Aspects for a Tactical Rubidium Frequency Standard,
LITTON SYSTEMS INC WOODLAND HILLS CA GUIDANCE AND CONTROL SYSTEMS DIV
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The rubidium frequency standard to be used in tactical applications must be capable of satisfying frequency stability specifications under severe environmental conditions which include a high ambient temperature. This has resulted in a physics element design of lamp, separated filter and resonance cell which operates above the highest ambient temperature, with a simple oven structure. This design differs from previous rubidium standards primarily in its smaller size and higher operating temperatures. The Litton tactical rubidium frequency standard physics element parameters and their effects on frequency stability are presented in this paper.