R&S FSU67 spectrum analyzer covers 20 Hz to 67 GHz in single sweep
-- Test & Measurement World, 10/1/2007 2:00:00 AM
The Rohde & Schwarz FSU67 spectrum analyzer covers the 20-Hz-to-67-GHz frequency range in one full-span sweep with a single coaxial input without the need for external harmonic mixers. The FSU67 also has an integrated instrument-controlled RF attenuator with a range of 0 to 75 dB in 5-dB steps that eliminates the external manually operated attenuator required when harmonic mixers are used. The instrument’s reference level range (–130 dBm to +30 dBm) is also higher than can typically be achieved with harmonic mixers.
In addition to being appropriate for research and development environments, the R&S FSU67 is suited for use on the production line. It provides IEEE 488 or Ethernet LAN connectivity and includes USB interfaces. The instrument is also certified as being compliant with LXI Class C. It can make 80 measurements/s in manual mode and 70 measurements/s over the IEEE 488 bus. The instrument will also control external signal generators via the IEEE 488 or TTL bus to act as tracking sources for making scalar transmission, loss, and reflection measurements.
Specifications for the R&S FSU67 include a noise floor of –158 dBm at 1 GHz and –130 dBm at 65 GHz, resolution bandwidth of 1 Hz to 50 MHz, display linearity of less than 0.1 dB, total measurement uncertainty of less than 0.3 dB, and frequency resolution of 0.01 Hz. Phase noise at 640 MHz ranges from –104 dBc at a 100-Hz offset to –160 dBc at a 10-MHz offset.
The R&S FSU67 can perform as a fully featured RF power meter with instantaneous display of measurement results when coupled with one of the company’s R&S NRP Series power sensors. Sensor calibration factor is automatically applied along with the selected center frequency. In addition, channel and adjacent-channel power can be determined with the instrument’s time-domain power-analysis capability and channel or RRC filters.
Rohde & Schwarz, www.rohde-schwarz.com.
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