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A0 Frequency Standard, Measurement &
Distribution System
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A0 ACTIVE &
PASSIVE HYDROGEN MASERS
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The Passive and Active Hydrogen Maser
Frequency Standards and associated instruments are available
through Quartzlock. These units have been built in
substantial quantities for the last 30 years and form the
major time scales in Germany, Brazil, Spain, Japan, Russia,
China & the UK. The instruments are produced in Russia and
exported to Quartzlock, where they are tested and prepared
for delivery to both domestic and European customers.
Additionally, by special request, the performance of the
instruments can be independently certified by the NIST, USA.
PTB Germany or NPL, UK. This relationship essentially makes
this very excellent technology available in the West.
A Passive Hydrogen Maser system with performance compatible
comparator & distribution instruments
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H maser or GPS + A5, A6, A7 & A8-Rb.
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Stability 1 x 10-14/day. Passive
Maser. 5×1010-14/3...33 days GPS R-b
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(2.) stability 1....9×1010-14
102....105s.
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1.5×1010-15 resolution (100 seconds).
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32 outputs.
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130dB isolation <10ps/°C
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