1469 €1,469.00 Excl. VAT
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Product number: ELE003062

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Promotion! If you buy a Siglent SSA3000X PLUS spectrum analyser in combination with the Siglent SRF5030T EMI probes, you automatically receive the SSA3000XP-EMI option for free. Promotion valid until December 31st 2023.

The Siglent SSA3021X-PLUS spectrum analyser is the successor to the popular SSA3021X. The PLUS series is in many ways similar to its predecessor, only the PLUS series has a touchscreen display and tracking generator. There are also several options available for the PLUS series. The spectrum analyser has a bandwidth of 9 kHz to 2.1 GHz with a very small noise. The resolution of the measurement can be set to only 10 Hz, which makes it possible to measure very precisely.

The low noise is a unique property of this spectrum analyser. This limits the measurement error on smaller signals in particular. The given noise figure is only -161dBm/Hz. This is low enough to be unnoticeable in typical use. The standard Pre-amplifier allows for measurements to small signals, but can be disabled for a one-to-one image of the signal.

With the bandwidth up to 2.1 GHz common signals like GSM, that starts at 380 MHz is well within the range of this spectrum analyser. A useful property of these spectrum analysers is the ability to upgrade them with optional accessories. One of these options is ACPR or Adjacent Channel Power Ratio, which is an important property for antenna engineers. This is a requirement in wireless telecommunications as channels are not allowed to overlap each-other too much.

The large 10.1" WVGA display with 1024 by 600 pixels offers ample space for measurement data. The software supports up to 4 cursors simultaneously, which allows for easy data analysis.

Are you looking for an attenuator with various connectors for your spectrum analyser? Then this utility kit from Siglent is suitable for you. See here for more information.

Siglent SSA and SVA series

Siglent offers several series of spectrum analysers, of which you can find a brief overview below.

Models SSA3021X
Max. bandwidth 3.2 GHz 7.5 GHz 7.5 GHz 7.5 GHz
Yes, and DTF
Options AMK, EMI, refl AMK, EMI, refl, AMA, DMA AMK, EMI, AMA, DMA, RT40 AMK, EMI, AMA, DMA, DTF
Connectivity - Touchscreen, Mouse & keyboard, Webserver Touchscreen, Mouse & keyboard, Webserver Touchscreen, Mouse & keyboard, Webserver

Model overview of SSA3000X-PLUS series

Here you will find an overview of the differences between the models in the Siglent SSA3000X-PLUS series. The main differences are bandwidth and noise.

Bandwidth 9 kHz - 1.5 GHz 9 kHz - 2.1 GHz 9 kHz - 3.2 GHz 9 kHz - 7.5 GHz
Tracking generator 5 MHz - 1.5 GHz 100 kHz - 2.1 GHz 100 kHz - 3.2 GHz 100 kHz - 7.5 GHz
RBW 1 Hz - 1 MHz 1 Hz - 1 MHz 1 Hz - 1 MHz 1 Hz - 3 MHz
DANL - 156 dBm/Hz - 161 dBm/Hz - 161 dBm/Hz - 165 dBm/Hz
Amplitude accuracy < 1.2 dB < 0.7 dB < 0.7 dB < 0.7 dB
Price 1159 €1,159.00 Excl. VAT 1469 €1,469.00 Excl. VAT 2439 €2,439.00 Excl. VAT 6509 €6,509.00 Excl. VAT


Frequency resolution 1 Hz
Internal reference frequency 10 MHz
Vertical logaritmic range 10 dB tot -100 dB
Built-in storage 256 MB
Built-in pre-amp
AMK (optional) CHP/ACPR/TOI/OBW/Monitor/Harmonic/CNR
AMA (optional) AM/FM
DMA (optional) ASK/FSK/PSK/QAM
EMI filter (optional) 200 Hz, 9 kHz, 120 kHz, 1 MHz
Display 10.1" touchscreen colour 1024 x 600
Interfaces USB host/device, LAN, RJ-45
Dimensions 393 x 207 x 116.5 (mm)
Weight 4.4 kg


By means of the following options you can add additional features.

EMI pre-compliance software The EMI pre-compliance software provides Quasi-peak detector and EMI filters. These can be used to test whether equipment meets the requirements of the EMI regulations.

EMI pre-compliance kit

Siglent EMI-SSA3000X-PLUS option
425 €425.00 Excl. VAT
SRF5030T EMI probes This near field probe set contains 3 magnetic field probes (20, 10 and 5 mm resolution) and 1 electric field probe (5 mm resolution) for pre-compliance testing of printed circuit boards.


Siglent SRF5030T EMI probe set
499.17 €499.17 Excl. VAT
Reflection measurements In combination with the Tracking generator this option can be used to measure the reflection of antennas.

Reflection measurements

Siglent RBSSA3X25 reflection measurement kit for SSA3000X(-PLUS) series
559 €559.00 Excl. VAT
Advanced measuring kit This kit offers measurements like "Channel power", "ACPR", "Time domain power", "Occupied bandwidth", "Third order intercept" and "Carrier to Noise Ratio". It extends the analyzers' measurement capabilities enormously.

Advanced measurement kit

Siglent AMK-SSA3000X-Plus option
395 €395.00 Excl. VAT
Digital Modulation Analysis module Digital modulate function for the Siglent SSA3000X-PLUS spectrum analyzers, including: ASK, FSK, MSK, xPSK and xQAM.

Digital Modulation Analysis module

Siglent SSA3000X-PLUS-DMA option
469 €469.00 Excl. VAT
Analog Modulation Analysis module Analog Modulation Analysis function for the Siglent SSA3000X-PLUS spectrum analyzers, including: AM/FM.

Analog Modulation Analysis module

Siglent SSA3000X-PLUS-AMA option
286 €286.00 Excl. VAT


The Siglent SSA3021X-PLUS is delivered including:

  • Power cord
  • Quick-start guide
  • USB cable
  • Calibration certificate

Pros and cons

  • Touchscreen
  • Tracking generator
  • Webserver


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