Rohde & Schwarz ESU40

Rohde & Schwarz ESU40

20 Hz to 40 GHz EMI Test Receiver

The Rohde & Schwarz ESU40 is one of our refurbished 20 Hz to 40 GHz EMI Test Receivers.

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Rohde & Schwarz ESU40 Features:

  • Automatic and interactive measurement functions,
  • Parallel IF analysis
  • Up to three detectors:
    • Average detector with meter time constant (CISPR-Average)
    • RMS-Average detector
    • APD (amplitude probability distribution to CISPR 16
  • Internal preselection (can be switched off in analyzer mode)
  • Receiver mode with parallel IF analysis
  • Time-domain analysis
  • Integrated report generator
  • Excellent RF characteristics
  • Very low measurement uncertainty
  • Full compliance with CISPR 16-1-1 standard
  • All commercial and military standards met
  • Complies with new EMC Directive 2004/108/EC including: CISPR 11/EN 55011/Group 1 Class B (Emission)
  • Removable hard disk (flash card) optional
  • DC Coupled: 20 Hz to 40 GHz
  • AC coupled: 10 MHz to 40 GHz
  • Frequency resolution: 0.01 Hz
  • External reference frequency: 1 MHz to 20 MHz, 1 Hz steps
  • Frequency display: with marker or frequency counter
  • Power Consumption: 150 VA
  • Weight: 17.0 kg
  • 1 dB compression of input mixer (<3.6 GHz): +13 dBm nominal
  • Displayed average noise level: analyzer mode, 0 dB RF attenuation, RBW = 10 Hz, VBW = 1 Hz, zero span


The Rohde & Schwarz ESU40 is the latest EMI test receiver and spectrum analyzer solution to provide a full-compliance (to CISPR16-1-1) test receiver and a full-fledged, top-class spectrum analyzer.
The wide dynamic range combined with low inherent noise and low measurement uncertainty ensure high-quality test results. Comprehensive functions such as configurable RF scan, realtime IF analysis and fast Fourier transform (FFT) analysis for overview measurements provide accurate, quick and reliable solutions to any measurement problem.