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| In
addition to producing high stability frequency sources, OCXOs, and AM/MF
Broadcast Transmitters, HCD also design and manufacture a range of products to
monitor and quantify the frequency, accuracy and stability of high
stability frequency sources. |
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|
Summary of Frequency
Monitoring Equipment Product Range |
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|
Product |
Description |
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| Click
on Product
Names
to
view Technical Data
Sheets |
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|
| Frequency
Difference Indicator |
An instrument to
measure small frequency differences between frequency sources reading to ±1
x 10-3 Hz full scale and resolution to ±1 x 10-4 Hz
(±1 x 10-10 at 1MHz). |
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| Phase
Comparator |
Intended to produce
long term trend information relating to the phase stability of two
frequency sources. Often used in the Calibration Laboratory of a
company to provide traceability of in-house frequency standards with
external traceable sources, for example off-air standards or GPS frequency
standards. |
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| Off-Air
Receiver |
Primarily designed for
use in the UK through reception of 60kHZ MSF (and 198kHz Droitwich)
signals. A typical application is in combination with a Phase
Comparator (see above) to give long-term traceability information of an
in-house frequency standard for ISO 9000 compliance purposes. |
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|
| Click
on Product
Names
to
view Technical Data
Sheets |
Products
