BRL Test, Inc.

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R3261CN - Advantest Spectrum Analyzers


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  • Model: R3261CN
  • Manufactured by: Advantest
  • High end frequency limit: 2.60GHz
  • Resolution Bandwidth Max.: 1MHz
  • Resolution Bandwidth Min.: 30Hz
  • Amplitude Range: n/a
  • Extra Specifications: Spectrum Analyzer

The Advantest R3261CN spectrum analyzer is a wide band, very sensitive receiver. It works on the principle of "super-heterodyne receiver" to convert higher frequencies (normally ranging up to several 10s of GHz) to measurable quantities. The received frequency spectrum is slowly swept through a range of pre-selected frequencies, converting the selected frequency to a measurable DC level (usually logarithmic scale), and displaying the same on the CRT of the Advantest R3261CN. The CRT displays received signal strength (y-axis) against frequency ( x-axis).

Some applications for Advantest R3261CN Spectrum Analyzers include Site Monitoring: Verify that the frequency and signal strength of your transmitter is accurate. Interference: Before a system is installed you use a Advantest R3261CN spectrum analyzer to verify that the frequencies (you plan to use) are not occupied or if the presence of a very strong signal will interfere with your new setup. Interference can be created by a number of different situations. Other tests that utilize the Advantest R3261CN spectrum analyzer features include antenna isolation, co-channel interference, adjacent channel power, occupied bandwidth, intermodulation, microwave or satellite antenna alignment, and characterization of components.

  • User-defined function
  • Measuring window function
  • Built-in Tracking generator
  • 120 db Display range
  • Form Factor Mainframe
  • Input Impedance 75 Ohm
  • Minimum Frequency 9 kHz
  • Maximum Frequency 2.6 GHz
  • Minimum Sweep Time 50 ms
  • Maximum Sweep Time 1000 s
  • Minimum Resolution Bandwidth 30 Hz
  • Maximum Resolution Bandwidth 1 MHz
  • Resolution Bandwidth Steps 1/3/10
  • Minimum Single-Side-Band Noise -105 dBc/Hz
  • Maximum Single-Side-Band Noise -101 dBc/Hz
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