CESIUM FREQUENCY STANDARD Russian patent published in 1997 - IPC

FIELD: quantum radio physics; development of nuclear frequency standards. SUBSTANCE: cesium frequency standard has quantum discriminator built around atom-beam tube using atoms of 133 Cs, amplifier, controlled crystal oscillator, frequency multiplier, frequency mixer, frequency synthesizer, integrator, and adder; newly introduced are synchronous detector, comparator, amplitude detector, voltage-to-frequency changer, synchronizing unit, first and second reversing counters, first and second digital-to-analog converters, and voltage divider. EFFECT: improved accuracy. 2 cl, 4 dwg