Advantest Corporation R5372 Counter
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Microwave Frequency Counters
Recent research in communications and broadcast systems
using microwaves in applications such as broadcast satellites,
telephone circuits and the new field of submillimeter microwave
and millimeter-wave communications systems have resulted
in dramatic development in components and practical
product designs. This research and development work requires
highly accurate frequency measurements. Previous
approaches to measure frequencies in these bands involved the
use of frequency converters or converting oscillators. These
methods, however, were difficult to use as it required
tuning and calculations to determine the actual frequency.
To solve these problems, ADVANTEST has employed a digital
TRAHET technique to achieve 1 Hz resolution with a gate time
of just one second. It enables not only frequency measurement
but the application of offset to frequency results and
of standard deviation, ppm, maximum values, minimum
values and other useful parameters. In addition, a digital
comparator has been provided and totalizing and measurements
of the carrier frequency of pulse-modulated signals are
Measurements up to the Microwave and Millimeterwave
Measurement ranges extend from 10 mHz to 18 GHz for the
and 10 mHz to 27 GHz for the R5373
, It enables a single
to be used for broadcast satellite, satellite
pilot-signal measurements for radio equipment and
many more diverse applications.
Reciprocal Counting Technique for High-Resolution
The 10 mHz to 10 MHz mode for the A input uses a reciprocal
technique that calculates the frequency from the period of the
input signal, thereby achieving high resolution in a short
counting time. This enables high-resolution measurements of
the pulse width of pulse-modulated signals and of pulse
repetition frequencies. Making a measurement is as simple as
setting the required measurement resolution; the rest is
with extremely easy selection of number of displayed
digits, counting time and frequency.
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02 April 2017
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25 October 1989
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02 April 2017