The ptf 4211A Rubidium Frequency Standard is an excellent, low cost, solution for providing a stable frequency reference in applications requiring atomic reference stability performance.

For even better long term stability the unit will accept a 1PPS input that can be derived from a reference such as caesium or GPS.

An ideal laboratory or system frequency reference, which includes a range of options are available to enhance the functionality of the unit. The instrument contains an integrated rubidium module with low aging rate, and standard output oscillator.

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