SSA5000A Series
Siglent’s flagship bench spectrum analyzer, reaching 13.6 or 26.5 GHz with −105 dBc/Hz phase noise, a −165 dBm/Hz displayed average noise level and a 2.92 mm microwave input. Real-time analysis (25/40 MHz) shows density, spectrogram and power-versus-time, while optional modes add analog, digital and Bluetooth modulation analysis, phase-noise, noise-figure, pulse and EMC measurements — all on a large 12.1-inch multi-touch screen with HDMI output and web-browser remote control.
Microwave Spectrum Analyzer
Siglent’s flagship bench spectrum analyzer, reaching 13.6 or 26.5 GHz with −105 dBc/Hz phase noise, a −165 dBm/Hz displayed average noise level and a 2.92 mm microwave input. Real-time analysis (25/40 MHz) shows density, spectrogram and power-versus-time, while optional modes add analog, digital and Bluetooth modulation analysis, phase-noise, noise-figure, pulse and EMC measurements — all on a large 12.1-inch multi-touch screen with HDMI output and web-browser remote control.
Both models share the same platform, 12.1-inch multi-touch interface and remote-control command set, so you choose on frequency — then scale with the F5 frequency upgrade, real-time, modulation, phase-noise, noise-figure and Bluetooth licenses as your work grows. siglent.eu is the official EU distributor, with stock, warranty and local support.
Key highlights
Microwave reach
9 kHz to 13.6 or 26.5 GHz through a 2.92 mm input — a field-upgradeable path from 13.6 to 26.5 GHz (F5).
Low phase noise
−105 dBc/Hz at 1 GHz / 10 kHz offset and −165 dBm/Hz DANL for demanding signal-purity work.
Real-time analysis
Optional 25 MHz (40 MHz) real-time bandwidth with density, spectrogram and PvT views and 7.2 µs 100% POI.
12.1" multi-touch
A large capacitive touch screen with HDMI output, USB, LAN and web-browser remote control.
Models in the series
Choose by frequency — the 13.6 GHz model upgrades to 26.5 GHz with the F5 license.


Core capabilities
Full 9 kHz – 26.5 GHz coverage with a 2.92 mm input and a 20 dB preamplifier (licence SSA5000-P3 / P5).
25 MHz standard-mode / 40 MHz bandwidth, 7.2 µs 100% POI, density, spectrogram & PvT.
Analog AM/FM/PM, digital ASK/FSK/PSK/MSK/QAM and Bluetooth (LE/BR/EDR) analysis.
Dedicated phase-noise and noise-figure measurement modes (noise figure with the NSD28 noise source driver).
Channel power, ACPR, OBW, harmonic, TOI, pulse and EMI pre-compliance measurements.
Add the 10M-OCXO-L high-accuracy oven reference for tighter frequency stability.
Features in depth

Microwave performance, low phase noise
Reaching 26.5 GHz through a 2.92 mm input with −105 dBc/Hz phase noise and −165 dBm/Hz DANL, the SSA5000A resolves close-in signals and weak spurs that lesser analyzers miss — the basis for reliable signal-purity and spectral measurements.
- 9 kHz – 13.6 / 26.5 GHz, field-upgradeable (F5)
- −105 dBc/Hz phase noise @ 1 GHz, 10 kHz offset (typ.)
- −165 dBm/Hz DANL (typ.) with the 20 dB preamplifier on
- RBW 1 Hz – 10 MHz; +23 dBm max input, −170 dBm ref level
One analyzer, every measurement mode
Beyond the base analyzer, licence-activated modes turn the SSA5000A into a real-time analyzer, a modulation analyzer, a phase-noise and noise-figure meter, a pulse analyzer and an EMC pre-compliance receiver — one instrument that grows with the lab.
- Real-time: density, spectrogram & PvT, 7.2 µs 100% POI
- Modulation: analog, digital and Bluetooth (LE/BR/EDR)
- Phase-noise & noise-figure measurement modes
- Pulse, EMI pre-compliance and the advanced measurement kit


Big screen, HDMI & connectivity
A 12.1-inch 1200×800 multi-touch screen drives the workflow, with an HDMI output for an external monitor and LAN/USB/USB-GPIB for automation — SCPI, LabVIEW and IVI over USB-TMC, VXI-11, Socket or Telnet.
- 12.1-inch 1200×800 capacitive multi-touch + HDMI out
- LAN, USB Device & USB Host (USB-GPIB option)
- SCPI / LabVIEW / IVI remote control, HTML5 web browser
- Audio out, external trigger and IF output (option SSA5000-IFO)
Applications
Where the SSA5000A Series is at home.
Full specifications
| Frequency range | SSA5083A: 9 kHz – 13.6 GHz · SSA5085A: 9 kHz – 26.5 GHz |
| RF input | 2.92 mm male, 50 Ω |
| Resolution bandwidth (RBW) | 1 Hz – 10 MHz, 1-3-10 sequence; shape factor < 5:1 |
| Analysis (real-time) bandwidth | 25 MHz · 40 MHz with SSA5000-B40 (option) |
| 100% POI | 7.20 µs · real-time dynamic range 60 dB |
| Displayed average noise level | −165 dBm/Hz (typ.), 1 – 10 MHz, preamplifier on |
| Phase noise | −105 dBc/Hz @ 1 GHz, 10 kHz offset (typ.) |
| Third-order intercept (TOI) | +11 dBm (+15 dBm nom.), 50 MHz – 7.22 GHz |
| Preamplifier | 20 dB (nom.), 100 kHz – 26.5 GHz · listed by Siglent as licence SSA5000-P3 (13.6 GHz) / SSA5000-P5 (26.5 GHz) |
| Input attenuator | 0 – 50 dB, 2 dB steps |
| Reference level | −170 dBm to +23 dBm, 1 dB steps |
| Max. input | +23 dBm CW (1 MHz–26.5 GHz) · ±50 VDC |
| Reference clock | Internal; optional 10M-OCXO-L high-accuracy OCXO |
| Measurement modes | Spectrum standard; real-time, analog/digital/Bluetooth modulation, phase noise, noise figure, pulse, EMI and the advanced measurement kit (CHP/ACPR/OBW/harmonic/TOI) as options |
| Sweep | 1 µs – 6000 s (zero span); 201 – 10001 points; Swept & FFT |
| Trigger / gating | Free, video, external, periodic; gated LO/video/FFT |
| Display | 12.1-inch TFT LCD, 1200×800, capacitive multi-touch; HDMI output |
| Interfaces | LAN · USB Device · USB Host (USB-GPIB) · HDMI · audio out · 10 MHz ref in/out · ext. trigger in/out · IF output with SSA5000-IFO |
| Power | 100–240 VAC, 50/60 Hz (400 Hz); 80 W max |
| Dimensions / weight | 378 × 284 × 126 mm · 7.4 kg |
| Compliance | EN 61326-1 · EN 61000-3-2 (Class A) |
From the official SSA5000A Series datasheet (EN02A); subject to change, errors & omissions excepted.
Options, licenses & upgrades
Siglent lists 15 options for the SSA5000A, all activated by licence key, plus the hardware below. Click View for the full description, specification and price of an option. See the SSA5000A Series license page for what depends on what.
Frequency range and sensitivity

Raises an SSA5083A from 13.6 to 26.5 GHz by licence key.

Low-noise pre-amplifier for the SSA5083A: about 20 dB of gain ahead of the mixer.

Low-noise pre-amplifier for the SSA5085A: about 20 dB of gain ahead of the mixer.
Real-time analysis, bandwidth and data output

Gap-free real-time analysis over 25 MHz: density, spectrogram, PvT and frequency-mask trigger.


Records raw I/Q samples: 1 GByte, 125 million I/Q pairs.

Brings the 120 MHz IF out for an external digitiser or receiver, 40 MHz wide.
Measurement applications

Channel power, ACPR, OBW, T-Power, CNR, harmonics, TOI and spectrum monitor.

Pulse width, period, duty, rise and fall time, overshoot and six power results.

Phase noise as a log plot from 100 Hz offset, with decade and spur tables.

Y-factor noise figure and gain of amplifiers and converters. Needs the NSD28.
Modulation analysis and EMI

CISPR 16-1-1 bandwidths, quasi-peak detector, limit lines and a scan-search-measure sequence.

AM, FM and PM analysis: depth, deviation, rate, SINAD and carrier offset.

EVM, constellation and eye diagram for ASK, FSK, MSK, PSK and QAM up to 256QAM.

Hardware

USB to +28 V BNC driver for a noise source. Required by SSA5000-NF.

Oven-controlled 10 MHz reference: < 0.1 ppm initial accuracy, < 1 ppb from 0 to 50 °C, < 50 ppb per year. Factory installed — order it with the analyser.
NSD28 — noise source driver
A small hardware driver that unlocks noise-figure measurement on the SSA5000A. Working with the SSA5000-NF licence, the NSD28 drives an external calibrated noise source using the classic Y-factor technique, so you can measure how much noise a device under test adds — a key figure of merit for receivers and low-noise amplifiers.
- Pairs with the SSA5000-NF license
The NSD28 is the hardware half of noise-figure measurement: fit it together with the SSA5000-NF software licence and the SSA5000A becomes a noise-figure meter.
- +28 V pulsed drive
It supplies the +28 V pulsed bias (the “28” in its name) that switches a calibrated noise-diode source between its ‘hot’ and ‘cold’ states over a BNC drive lead.
- Y-factor method
The analyzer measures noise power in both states and computes NF = ENR − 10·log(Y − 1); the ENR (typically 6–15 dB) comes from the noise source’s own calibration data.
- Characterise amps, mixers & converters
With a noise source of your own (not included) and its ENR table you can measure the added noise and the gain of amplifiers, up-converters and down-converters directly on the bench.
Cables & adaptors
The SSA5000A has a 2.92 mm male RF input and is supplied with a 2.92 mm female-to-female adaptor. SMA and 3.5 mm connectors mate with 2.92 mm, but the joint is then limited to the lesser connector — so choose the cable by the highest frequency you measure, and keep the adaptor on the input as a connector saver.

2.92 mm male to female, 1 m. The female end goes straight onto the analyser’s 2.92 mm input — the same connector family from input to device, for both models.

SMA female to SMA male, 1 m, specified to 26 GHz. The female end fits the analyser input without an adaptor.

SMA male on both ends, 1 m, specified to 26 GHz. Connects through the 2.92 mm adaptor supplied with the analyser.

SMA male on both ends, 1 m, DC to 18 GHz: covers the full 13.6 GHz range of the SSA5083A, through the supplied adaptor.
Related & resources
Configure your SSA5000A Series
Tell us your frequency range and whether you need real-time, modulation, phase-noise or noise-figure analysis — we’ll quote the right model with the licenses to match.
Frequently asked questions
Frequency range: the SSA5083A covers 9 kHz to 13.6 GHz and the SSA5085A to 26.5 GHz. Everything else — the platform, 12.1-inch multi-touch screen, phase noise, DANL and options — is identical, and the SSA5083A can be upgraded to 26.5 GHz later.
Yes. The SSA5000-F5 license lifts an SSA5083A from 13.6 GHz to the full 26.5 GHz, so you can start at 13.6 GHz and extend when you need it.
Yes, with the RTA1 activation license (25 MHz), upgradeable to 40 MHz with the B40 option. Real-time mode gives density, spectrogram and power-versus-time views with a 7.2 µs 100% probability of intercept.
Siglent lists fifteen: frequency upgrade (F5), preamplifier (P3 / P5), real-time analysis (RTA1), 40 MHz analysis bandwidth (B40), IQ data acquisition (IQA), IF output (IFO), the advanced measurement kit (AMK), pulse (PU), phase noise (PN), noise figure (NF, with the NSD28 noise source driver), EMI (EMI), analog and digital modulation analysis (AMA / DMA) and Bluetooth (BT). The 10M_OCXO_L high-accuracy reference is a factory-installed hardware option.
The input is a 2.92 mm male connector, and a 2.92 mm female-to-female adaptor is supplied. The S40-29M29F-1M (2.92 mm, 40 GHz) and the SMAF-SMA-26L (SMA female to male, 26 GHz) connect directly; cables with a male connector on both ends, such as the SMA-SMA-26L and SMA-SMA-18L, connect through the adaptor. An SMA cable limits the connection to its own rated frequency.
The SSA5000A is the flagship: up to 26.5 GHz, −105 dBc/Hz phase noise, a 12.1-inch screen with HDMI and the widest set of measurement modes. The SSA3000X-R tops out at 7.5 GHz but includes a built-in vector network analyzer and DTF.
Specifications are taken from the official Siglent SSA5000A Series datasheet and are subject to change without notice; errors & omissions excepted. siglent.eu is operated by JRSE B.V., official EU distributor.