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In summary, the Siglent SSA3015X PLUS is a benchtop spectrum analyzer covering 9 kHz to 1.5 GHz designed for general RF spectrum measurement, educational use, production test, and field RF work. Per the datasheet, the SSA3015X PLUS provides resolution bandwidths from 1 Hz to 3 MHz (10 MHz EMI), -161 dBm typical displayed average noise level with the preamplifier on, -98 dBc/Hz typical SSB phase noise at 1 GHz / 10 kHz offset, and a 10.1 inch capacitive multi-touch WXGA display. Standard interfaces include LAN, USB Device, USB Host, and HDMI; SCPI / LabVIEW / IVI remote control is supported.
The SSA3015X PLUS is used for general RF spectrum measurement — channel power, ACPR, occupied bandwidth, harmonic distortion, and third-order intercept — plus pre-compliance EMI sweeps and basic AM / FM / ASK / FSK modulation analysis. Per the datasheet, target applications include broadcast and CATV monitoring, cellular site work, IoT and ISM-band development, WLAN and Bluetooth surveys, RF education, and bench-level production verification.
The SSA3015X PLUS is positioned as Siglent's value-tier general-purpose RF spectrum analyzer. Per the manufacturer datasheet, it provides identical measurement vocabulary — channel power, ACPR, occupied bandwidth, harmonic distortion, and third-order intercept — to higher-priced premium-tier instruments, at a price point well-suited to education, startups, and bench-level production verification. It is not the right choice when the application requires the lowest available phase noise or the widest available dynamic range; for those applications, a premium-tier instrument is required.
Per the manufacturer datasheet, the standard ship kit includes: a Quick Start guide, a region-appropriate AC power cord, and a USB cable.
| Frequency range | 9 kHz to 1.5 GHz |
|---|---|
| Frequency resolution | 1 Hz |
| Span range | 0 Hz (Zero Span), 100 Hz to maximum frequency |
| Internal reference (10 MHz) | Aging < 1 ppm/yr; temperature stability < 1 ppm (0-50 °C) |
| OCXO option (10M_OCXO) | Aging < 0.05 ppm/yr; stability < 0.05 ppm (0-50 °C) |
| RBW (-3 dB) | 1 Hz to 3 MHz, 1-3-10 sequence |
| VBW (-3 dB) | 1 Hz to 3 MHz, 1-3-10 sequence |
| EMI filter (-6 dB) | 200 Hz, 9 kHz, 120 kHz, 1 MHz (CISPR 16) |
| Measurement range, 100 kHz to 1.5 GHz (preamp off) | DANL to +30 dBm |
|---|---|
| Reference level | -100 dBm to +30 dBm, 1 dB steps |
| Preamplifier | ~20 dB nominal, can be turned on or off |
| Input attenuation | 0 to 50 dB, 1 dB steps |
| Maximum continuous power | +30 dBm (1 W) |
| Maximum input DC voltage | ± 50 VDC |
| Traces / detectors | 4 / Pos-peak, Neg-peak, Sample, Normal, Average |
| Level units | dBm, dBmV, dBµV, V, W |
| DANL, preamp off (100 kHz to 7.5 GHz) | -130 dBm (1 MHz to 1.5 GHz), normalized to 1 Hz |
| DANL, preamp on (typ.) | -161 dBm, 1 MHz to 1.5 GHz |
| SSB phase noise at 1 GHz, 10 kHz offset | < -95 dBc/Hz; -98 dBc/Hz typical |
| Absolute amplitude accuracy at 50 MHz | ± 0.4 dB |
| RF input VSWR (att ≥ 10 dB) | < 1.5 |
| Second harmonic intercept (SHI) | +45 dBm typical |
|---|---|
| Third-order intercept (TOI) | +10 dBm typical |
| Residual response | < -90 dBm |
| Sweep time (Span ≥ 100 Hz) | 1 ms to 4000 s |
| Sweep time (Zero Span) | 1 µs to 6000 s |
| Sweep points | 751 |
| Trigger source | Free Run, Video, External, Frequency Mask (R variant) |
| External trigger | TTL, rising or falling edge |
| Advanced Measurement Kit (AMK) | Channel Power, ACPR, OBW, T-Power, Harmonic, TOI |
|---|---|
| EMI Measurement (EMI option) detectors | Peak, Average, Quasi-Peak (CISPR 16-1-1) |
| EMI limit standards | EN 55022, FCC Part 15, user defined |
| Modulation Analysis (AMA option) | AM, FM, ASK, FSK demodulation |
| AM modulation rate / depth | 20 Hz to 100 kHz / 5% to 95% |
| FM modulation rate / deviation | 20 Hz to 200 kHz / 1 kHz to 200 kHz |
| Reflection (REM option) | Built-in tracking generator support for reflection measurement (X model) |
| TG output frequency range | 100 kHz to 1.5 GHz (X / Plus models) |
|---|---|
| TG output power range | -40 dBm to 0 dBm, 1 dB steps |
| TG output flatness | ± 3 dB (100 kHz to 1.5 GHz) |
| TG source match VSWR | < 1.6 |
| TG harmonic distortion | < -25 dBc |
| RF input / TG output | N-type female, 50 Ω (TG output on Plus / X models) |
|---|---|
| USB / LAN | USB Host 2.0 + USB Device 2.0 / 10/100 Base, RJ-45 |
| Video / Audio | HDMI / 3.5 mm jack |
| 10 MHz reference I/O | BNC-F, 50 Ω |
| External trigger | BNC-F, TTL |
| Remote protocols | SCPI / LabVIEW / IVI over USB-TMC, VXI-11, Socket, Telnet; GPIB via USB-GPIB adapter; HTML5 web browser |
| Display | TFT LCD, 1280 × 800, 10.1 inch multi-touch capacitive |
|---|---|
| Internal storage | ≥ 1 GB |
| Dimensions (W×H×D) / weight | 365 × 207 × 134 mm / approx. 4.0 kg (8.8 lb) |
| AC source | 100-240 V, 47.5-440 Hz; 45 W maximum |
| Operating temperature / humidity | 0 to 50 °C; ≤ 90% RH at 30 °C, non-condensing |
| Safety / EMC | EN 61010-1, IEC 61010-1, UL / CSA 61010-1; EN 61326-1; RoHS 2011/65/EU |
The SSA3000X family includes base 'X' models, 'Plus' variants (adding extended functionality), and 'R' real-time variants. Software options (AMK Advanced Measurement Kit, EMI Measurement, AMA Modulation Analysis, REM Reflection Measurement, OCXO precise reference) are field-upgradable. Confirm required options at the time of order.
This webpage was written by a human with an A.I. "Intern", which may contain errors. Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
SSA3015X
Condition
New
Manufacturer
Plus
Frequency
1.5 GHz
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