EMC Pre-Compliance

Today’s Engineers are faced with integrating new technologies, challenging design parameters, and ever decreasing “time to market” development cycles. In most cases, compliance testing is the last hurdle to overcome before releasing a product for sale. Unfortunately, this philosophy can cause big delays if the product fails to pass the first time through the test lab.

EMI Test System SoftwareYou can speed up the process, learn more about your design, and decrease overall cost by implementing pre-compliance testing during your development cycle . Pre-Compliance testing involves using a few tools and techniques to find EMI trouble areas and then use that understanding to fix those issues before you even head to the compliance lab.

At Rigol Technologies, we are dedicated to providing uncompromised performance at unprecedented values. We have put this page together to help explain these tools and techniques and provide all of the information that you need to implement a pre-compliance test process on your next design.

EMI Specific Highlights

The Rigol DSA series of spectrum analyzers are ideal for performing near-field probing, conducted, and emitted precompliance measurements.

They Feature:

  • Operating frequency ranges up to 7.5GHz
  • Low DANL (from -135 to -161dBm based on model)
  • On-sceen limit lines (standard)
  • Preamplifiers (standard on DSA815 and DSA1030A models, optional on all others)
  • Quasi-Peak detectors/FCC RBWs of 200Hz, 9kHz, and 120kHz, and -6dB EMI filter (standard on DSA1030, option DSA800-EMI on others)

The DSG series of sources are ideal for immunity testing, as well.

They Feature:

  • High power (Up to +13dBm) without the need for an external amplifier
  • Wide frequency range (up to 6GHz)
  • AM modulation

S1210 Pre-compliance Software

Each DSA series spectrum analyzer can also be used with our EMI System Software. The software simplifies EMI pre-compliance testing by providing an easy-to-use interface for scan setup, limit line construction, scan and peak data evaluation, and a handy pre-compliance reporting feature.

Near-Field Probes

The RIGOL NFP-3 near-field probes can be used in conjunction with any spectrum analyzer to help identify sources of EMI as well as leaks in enclosures. They are electrically insulated to prevent shorting of live circuits and feature a thin profile to make it easier to probe daughter boards, standoffs, and other tight spaces in your design. The kit includes 4 mafnetic (H) field probes, cable, and BNC-to-N-Type adapter.

Pre-Compliance Products

DSA800 Series Spectrum Analyzer DSA800E Spectrum Analyzer DSG3000 / DSG800 Series RF Signal Source
9 kHz to 1.5, 3.2, or 7.5 GHz Frequency Range 3.2 GHz frequency model available 1.5 GHz / 3 GHz / 6 GHz versions available
Displayed Average Noise Level (DANL) normalized to 1 Hz ranging from -135 dBm to -161 dBm typical Displayed Average Noise Level (DANL) - 148dBm nominal Optional I/Q modulation and I/Q baseband outputs
*(DSG3000 Models Only)
-80 to -98 dBc/Hz @10 kHz offset Phase Noise -90 dBc/Hz @10 kHz offset Phase Noise USB/LAN/GPIB interfaces standard. Supports LXI-C and SCPI command set
Total Amplitude Uncertainty from <1.5 dB to <0.8 dB nominal Total Amplitude Uncertainty 0.3 dB nominal AM/FM/øM modulation standard. Standard pulse modulation
100 or 10 Hz Minimum Resolution Bandwidth (RBW) available 10 Hz Minimum Resolution Bandwidth (RBW) Pulse train generator option
Options include Tracking Generator, EMI measurment kit, Advanced measurement kit, Preamplifier and Case Options include Tracking Generator, EMI measurment kit, Advanced measurement kit, Preamplifier and Case
Starting at $1,295
Starting at $2,999
Starting at $1,999


Rigol DSA800 series spectrum analyzers have drivers for some of the most popular compliance software packages. This makes integrating a Rigol Spectrum Analyzer into your existing test systems even easier:

NOTE: These links are for third party systems. Please contact the original vendor with questions pertaining to system requirements.


Conducted Emissions

  • References

    Here are some links that can help you find answers to some basic measurement techniques as well as consultants and classes that can help you learn more: