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Siglent SSA3021X Plus Spectrum Analyzer
The Siglent SSA3021X Plus is an advanced 2.1 GHz benchtop spectrum analyzer featuring an all-digital IF architecture, a frequency span from 9 kHz to 2.1 GHz, a built-in tracking generator, and a vibrant 10.1-inch capacitive multi-touch display. Delivering a Displayed Average Noise Level (DANL) down to -161 dBm/Hz and a minimum resolution bandwidth (RBW) of 1 Hz, it provides professional-grade RF signal capture, EMI pre-compliance debugging, and digital communication analysis.
Features & Benefits
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Wide Frequency Span (9 kHz to 2.1 GHz): Covers key VHF/UHF bands, ISM bands (including 433 MHz, 868 MHz, 915 MHz), broadcast channels, and mobile signals.
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Ultra-Low Noise Floor (-161 dBm/Hz DANL): Integrated preamplifier enables detection of faint RF leakages, small harmonic emissions, and low-level spur signals.
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1 Hz Minimum Resolution Bandwidth (RBW): Provides sharp spectral resolution to isolate closely spaced signals and analyze phase noise artifacts.
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Integrated 2.1 GHz Tracking Generator: Standard factory tracking source simplifies transmission measurements and component frequency response characterization.
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10.1-Inch Capacitive Multi-Touch Screen: Large, responsive HD display supports gesture zoom, touch markers, external HDMI output, and mouse/keyboard navigation.
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EMI Pre-Compliance & Advanced Measurement Kit Ready: Compatible with optional EMI filters, quasi-peak detectors, and reflection bridge kits for in-house pre-certification checks.
Description
Engineered to deliver exceptional dynamic range and measurement accuracy for wireless communications, broadcast RF, and electronic circuit validation, the Siglent SSA3021X Plus establishes a high standard in modern RF bench testing. Its full digital Intermediate Frequency (IF) architecture guarantees amplitude stability, sharp filter selectivity, and eliminates the drift associated with traditional analog IF blocks. With a 1 Hz minimum resolution bandwidth, users can clearly distinguish tiny, closely spaced sidebands, intermodulation products, and weak harmonic spurs from carrier fundamentals
Specifications
| Specification Attribute | Details / Values |
| Brand / Manufacturer |
Siglent Technologies |
| Model / MPN |
SSA3021X Plus |
| Product Series | SSA3000X Plus Series Spectrum Analyzers |
| Frequency Range |
9 kHz to 2.1 GHz |
| Frequency Resolution | 1 Hz |
| Resolution Bandwidth (-3 dB) | 1 Hz to 1 MHz (in 1-3-10 sequence) |
| EMI Resolution Bandwidth (-6 dB) | 200 Hz, 9 kHz, 120 kHz, 1 MHz (Included with optional EMI license) |
| Video Bandwidth (-3 dB) | 1 Hz to 3 MHz (in 1-3-10 sequence) |
| Displayed Average Noise Level (DANL) | Preamp On: Typ. -161 dBm/Hz (normalized to 1 Hz, 10 MHz to 2.1 GHz) |
| Phase Noise (fc = 1 GHz) | < -98 dBc/Hz @ 10 kHz offset (typical) |
| Amplitude Accuracy | Total amplitude uncertainty: < 0.7 dB |
| Tracking Generator (TG) | Standard included: 100 kHz to 2.1 GHz; Output power: -20 dBm to 0 dBm |
| Display | 10.1-inch capacitive multi-touch TFT-LCD (1024 × 600 pixels) |
| Detectors | Normal, Positive-Peak, Negative-Peak, Sample, RMS Average, Quasi-Peak (opt.) |
| Standard Interfaces | USB Host, USB Device (USBTMC), LAN (10/100/1000 Mbps, Web Control), HDMI |
| RF Input Impedance & Connector | 50 Ω, N-type female (Max safe input: +30 dBm / 50 V DC) |
| Power Supply | AC 100 V to 240 V, 50/60 Hz; Typ. 35 W consumption |
| Dimensions & Weight | 393 (W) × 207 (H) × 144 (D) mm; Approx. 4.40 kg |
| In The Box / Standard Accessories | SSA3021X Plus Mainframe, AC Power Cord, USB Cable, Quick Start Guide, Calibration Certificate |
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