Accredited calibration · RF signal generators

RF signal generator calibration, level, frequency and modulation to 40 GHz

Output level, frequency accuracy, harmonics, amplitude modulation depth, frequency modulation deviation and pulse modulation of signal generators measured on site under LAB Support Ltd.'s A2LA accredited ISO/IEC 17025 scope.

Book a signal generator calibration Full accredited scope
Why it matters

The generator sets the level every immunity test and every receiver check starts from

In RF immunity systems the signal generator sets the drive level and the 80 % AM modulation that IEC 61000-4-3 and IEC 61000-4-6 require. In calibration it is the source for receiver and power sensor checks. Level error, harmonics and modulation depth all propagate directly into the test field or the measured value, so the generator is calibrated for all three.

  • Output level from -120 dBm to +40 dBm, 9 kHz to 40 GHz
  • Frequency accuracy and harmonics
  • AM depth 5 % to 99 % and FM deviation to 500 kHz
  • Pulse modulation rise and fall time, pulse width
ParameterRangeCommon methods and standards
Output level-120 dBm to +40 dBm, 9 kHz to 40 GHzPower meter and sensor, signal analyser
Frequency accuracy1 Hz to 40 GHzFrequency counter, frequency reference
Harmonics9 kHz to 26.5 GHzSpectrum analyser
Amplitude modulation depth5 % to 99 %, modulation 10 Hz to 100 kHzModulation analyser, signal analyser
Frequency modulation deviation1 kHz to 500 kHzModulation analyser
Pulse modulation rise/fall time and width200 ns to 30 msOscilloscope, signal analyser

The methods and standards shown are the ones most commonly requested. Within each parameter and range listed on the accredited scope, other calibration methods and standard editions can be supported under the flexible-scope provisions of LAB Support's A2LA accreditation. The measurement uncertainty for each parameter is stated on the certificate. Field calibration is included in the scope for every line above.

Instruments we calibrate

Models we calibrate most often

From our own calibration records. Any instrument within the scope can be calibrated; these are the ones we see most.

Rohde & Schwarz SMB100A, SMB100B Rohde & Schwarz SMA100B, SMC100A, SMBV100A Keysight N5171B, N5181B, N5182B Keysight E4421B, E4438C, E8257D Anritsu MG3690 series Teseq NSG 4070 internal generator EM TEST CWS 500N and others
On site

How the visit runs

Send the listGenerator model, options, frequency range and the levels and modulations you use.
We come to youThe team brings calibrated power sensors, a signal analyser, frequency reference and modulation analyser.
Measure in placeLevel across the band and range, frequency, harmonics and each modulation type at the settings in your procedures.
Certificate on siteISO/IEC 17025 certificate with measured error at each point, uncertainty and traceability.
Frequently asked

Questions we are asked

Can the generator inside an RF immunity system be calibrated?

Yes. Generators built into systems such as the Teseq NSG 4070 are calibrated in situ for level, frequency and AM depth, together with the power meter and amplifier at the same visit.

Is the 80 % AM check included?

Yes. AM depth is measured at the 1 kHz modulation frequency used in IEC 61000-4-3 and IEC 61000-4-6 and at other settings on request.

Do you calibrate level below -100 dBm?

Yes, down to -120 dBm using a calibrated signal analyser path, which is what receiver sensitivity checks require.

Which countries do you cover on site?

Malaysia, Singapore and Vietnam, with Penang as the base. Other locations on request.

Tell us what you need to test

We reply within one working day with a quote or a plan.

Contact us