The R&S®FSIQ Signal Analyzer is a one box solution in signal analysis. The FSIQ provides comprehensive and easy-to-use measurement functions in the Frequency, Time, and Modulation domains. With its extremely wide dynamic range, minimal measurement uncertainty and high flexibility, FSIQ from Rohde&Schwarz is the ideal instrument for development, verification and quality assurance but also in the production of base stations.

The Rohde & Schwarz FSIQ3 20 Hz - 3.5 GHz Vector Signal Analyzer with a frequency range of 20 Hz to 3.5 GHz was designed for the 3G radio generation.

Features :

• RBW of 1 Hz to 10 MHz in 1/2/3/5 steps
• 5-pole resolution filters with high selectivity 
• FFT filter with 1 Hz to 1 kHz RBW for fast measurements
• Displayed average noise floor of -150 dBm typ., in 10 Hz bandwidth 
• Ultrawide dynamic range of 75 db ACPR for WCDMA (4.096 MHz integration BW)
• 82 dB ACPR in altenate channel for WCDMA
• Total level uncertainty
• True RMS detector for high-precision power measurements irrespective of waveform
• Fast spectrum analysis with 5 ms sweep time for full span
• Fast time domain analysis with 1 µs zero span sweep time
• Integrated broadband vector signal analyzer for all main mobile radio standards and modulation modes with versatile result display. I and Q signal, magnitude and phase, vector and constellation diagrams, spread sheets with numeric evaluation of modulation errors and demodulated bit sequence.