Clock Extractors; Power Supply; Bestime Ensemble Timing Generator; T1 Outputs - Symmetricom TimeSource 3000 Manual

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Clock Extractors

Power Supply

BesTime Ensemble Timing Generator

20
TimeSource 3000
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T1 signals (optional) enter on the SPAN IN A and B wire-wrap pins,
and remote oscillator signals (optional) enter on the A and B REM
OSC connectors. From each external signal, a clock extractor
circuit extracts a timing signal, which is sent to the BesTime
Ensemble Timing Generator.
A power converter filters and converts
to the shelf into the voltages required by the shelf.
Clock signals from the IF Interface, the local oscillator, the two T1
span lines, and the two remote oscillators are used as sources by
the BesTime algorithms in the BesTime Ensemble Timing
Generator. The signals are analyzed for MTIE, TDEV, and other
phase and frequency characteristics.
The BesTime Ensemble Timing Generator uses mathematical
models to analyze each clock. The ensemble algorithms use the
comparisons and analyses to generate a highly stable timing
signal, which uses the best qualities of all inputs.

T1 Outputs

The BesTime Ensemble Timing Generator provides the timing for
the T1 timing signal available at the T1 OUT A and B connectors
in a framed, all-ones format, which can be set to ESF or D4
framing.
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48 volts dc power supplied
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