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Advantest Announces Two New Signal Analyzers
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Two New Signal Analyzers
World’s First Analyzers to Measure 3G Base Station Spurious Emissions Without Filters
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TOKYO, Japan – March 14, 2005 – Advantest
Corporation (TSE: 6857, NYSE: ATE), the global leader in
semiconductor test systems, today announced availability
of two new high-performance signal analyzers, the R3467
and the R3477. Easy to use and highly accurate, these are
the first signal analyzers in the world to support measurement
of transmitted signals and RF spurious emissions from 3G and 3.5G
mobile phone base stations. Moreover, Advantest’s achievement of
a wide (90dB) dynamic range, the world’s highest, eliminates
the need for the external filters that previously available
instruments have required.
As the 3G standard for high-speed communications
becomes mainstream throughout the world, the mobile telephony
market is looking ahead to the rollout of upgraded 3.5G networks.
The development of next-generation environments for wireless LANs
is also accelerating. One of the major problems associated with
these broadband wireless transmissions is the production of spurious
emissions. The broader the bandwidth used for transmissions,
the greater the risk that the spurious emissions thus produced will
corrupt the various other wireless signals already in use. Broadband
transmissions such as 3G in particular are therefore required to keep
spurious emissions within the standards set by the international 3GPP initiative.
However, measurement instruments to date have lacked the dynamic
range to measure both powerful broadband transmissions and the feeble
spurious emissions that they generate without constantly exchanging external filters.
The newly available R3477 boasts an Advantest-proprietary
input circuit mechanism that measures RF distortion with a dynamic
range of 90dB (800MHz band) – 10,000 times the range of other instruments
– a high compression point of >+6dBm(200MHz~3.3GHz, preamp off), and a
high third order intercept point (TOI) of >+21dBm (1GHz to 2GHz).
With a wide frequency range of 9kHz to 13.5 GHz, this one instrument can
measure signals on the frequencies utilized by broadband networks such
as 3G and 3.5G and the spurious emissions that they generate, without using
filters. By eliminating the need to swap and calibrate filters, it contributes
dramatically to efficient base station construction and maintenance.
Advantest is simultaneously releasing the R3467, a low-cost model with an
upper frequency range limit of 3.3GHz, but sharing the R3477’s low noise level
(-168 dBm/Hz). Here is a high-performance, low-cost measurement solution equally
suitable for noise analysis, which is considered to be of vital importance in
evaluating the performance of chips for use in high-speed telecommunications applications.
Both the R3467 and the R3477 employ high-performance digital IF technology,
allowing them to perform self-calibration in only 1/10th the time of previous models:
they stabilize to 0.1dB (typ.) accuracy within 10 minutes of power-on. This speed and
stability will allow users to spend much less time on base station installations and maintenance,
as well as in the field.
Supporting a wide variety of high-speed wireless transmissions, the R3467 and the R3477
perform signal analysis on bandwidths up to 25MHz, and with optional software that allows them
to analyze W-CDMA (HSDPA) and CDMA-2000 signals, they easily perform modulation analysis in compliance
with international standards such as 3GPP and IEEE802.
Both signal analyzers support Microsoft’s Windows XP Remote Desktop feature, so they can be remotely
controlled via LAN interface. This functionality allows for easy and efficient maintenance of automated
base stations. They are also fitted with a USB interface, permitting measurement data to be uploaded from
their high-capacity USB memories into PCs for easy processing and editing.
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| Frequency Range: |
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R3467 9kHz to 3.3GHz
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R3477 9kHz to 13.5GHz
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| Average display noise level: |
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-168dBm/Hz typ. (@1GHz, preamplifier on)
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| 1db compression point: |
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>+6dBm (200MHz to 3.3GHz, preamplifier off)
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| Third-order intermodulation distortion (TOI): |
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>+21dBm (1GHz to 2GHz)
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