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Technical
Specification Sheet -
Phase Comparator
| A
unit designed to measure the relative phase difference with time, between
two high stability frequency sources. The resultant output is
recorded on a built-in chart recorder to determine the long term frequency
difference. The sensitivity of the chart recording is adjustable by
changes to the comparison frequency, using internal dividers, and the
chart speed. Long term chart recording allows a permanent record to
be established, possibly as a QA requirement, and to eliminate the effects
of short term variations and jitter. |
| Input
Frequencies |
100kHZ to 10MHz |
| Internal
Dividers |
1, 5, 10, 50 and 100 on each
input, the phase comparison must be made at the same frequency (after
division) |
| Chart Scale |
10µS FSD for comparison at
100kHz |
|
1µS FSD for comparison at 1MHz |
|
0.1µS FSD for comparison at
10MHz |
| Chart Speeds |
10, 20, 60mm/hr |
| Input
Signal Levels |
0.25 to 2V into 50ohms, a high
500ohms input option is selectable |
| Dimensions |
Rack mounted to Euronorm module,
42HP wide |
|
128.5mm high |
|
212.6mm wide |
|
254mm deep |
| Power
Supply |
230V AC,
50Hz |
|
24V DC
option |
| Option |
The unit can be provided without
a chart recorder, 21HP wide (106.3mm) with an output for an external
recorder or data logger |
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