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The Rigol SPA-800 Series is a family of digital IF spectrum analyzers spanning 9 kHz to 7.5 GHz, available in three frequency tiers: the SPA-815 (to 1.5 GHz), SPA-832 (to 3.2 GHz), and SPA-875 (to 7.5 GHz). All three models share the same all-digital IF architecture, 8-inch WVGA display, and a compact benchtop form factor measuring 361.6 mm x 178.8 mm x 128 mm.
A spectrum analyzer shows signal energy distributed across a range of frequencies — the frequency-domain view of what signals are present, at what frequency, and at what power level. The SPA-800 Series is designed for RF design and characterization, EMC pre-compliance testing (EMI filter and quasi-peak detector kit included), and educational applications. The included tracking generator extends utility into scalar component characterization — filter passband measurement, amplifier gain flatness, and cable insertion loss.
Rigol Technologies is a Chinese test and measurement manufacturer that has expanded its presence in the global professional T&M market over the past two decades. Rigol maintains its own brand and product development; the SPA-800 Series is distributed through authorized partners including Com-Power Corporation.
The SPA-800 Series consists of three models that share an identical all-digital IF architecture, display, and feature set — differing primarily in maximum frequency coverage and certain RF performance specifications. The SPA-815 covers 9 kHz to 1.5 GHz, the SPA-832 extends to 3.2 GHz, and the SPA-875 reaches 7.5 GHz. All three include a tracking generator covering the instrument's frequency range, EMI filter and quasi-peak detector kit for pre-compliance work, and 8-inch WVGA display.
Beyond frequency range, the SPA-832 and SPA-875 share improved RF specifications relative to the SPA-815 — including lower phase noise (<-98 dBc/Hz vs. <-80 dBc/Hz at 10 kHz offset), tighter level measurement uncertainty (<0.8 dB vs. <1.5 dB nominal), and a 10 Hz minimum resolution bandwidth (versus 100 Hz on the SPA-815). Preamplifier coverage is standard on the SPA-815 (20 dB nominal) and available as an option on the SPA-832 (PA-DSA832) and SPA-875 (PA-DSA875) at 17 dB nominal.
Each new SPA-800 model linked below is its own dedicated product page with condition-matched pricing, current inventory status, and accessory configuration details. Confirm the specific model that matches your frequency coverage requirement and any required options before issuing a purchase order.
The SPA-875 is the top-tier model in the SPA-800 family, covering 9 kHz to 7.5 GHz. It shares the improved RF specifications of the SPA-832 (10 Hz minimum RBW, <-98 dBc/Hz phase noise at 10 kHz offset, <0.8 dB level measurement uncertainty) while extending coverage through the 3.2 GHz to 7.5 GHz range — relevant for applications addressing the upper WiFi bands, ISM bands, and lower microwave work.
The model decision is primarily driven by maximum frequency requirement. For applications below 1.5 GHz where premium phase noise is not required, the SPA-815 offers integrated 20 dB preamplifier as standard. For applications requiring 10 Hz minimum RBW, improved phase noise, and tighter level uncertainty — but only sub-3.2 GHz coverage — the SPA-832 is appropriate. For applications requiring coverage above 3.2 GHz (WiFi 5 GHz band, ISM bands above 3 GHz, lower microwave), the SPA-875 is required.
The optional preamplifier (PA-DSA832 or PA-DSA875) improves DANL by approximately 20–25 dB relative to PA-off operation and is a meaningful investment for applications measuring low-level signals near the instrument's noise floor. Reference the comparison table that follows for the specific frequency, RBW, phase noise, and DANL specifications by model.
| Model | Frequency Range | Phase Noise @ 10 kHz Offset | Min RBW |
|---|---|---|---|
| SPA-815TGE | 9 kHz to 1.5 GHz | <-80 dBc/Hz | 100 Hz |
| SPA-832TGE | 9 kHz to 3.2 GHz | <-98 dBc/Hz | 10 Hz |
| SPA-875TGE | 9 kHz to 7.5 GHz | <-98 dBc/Hz | 10 Hz |
Additional differences in specifications beyond the few shown above are not listed here — see each model's full specifications below.
| Category | Specification | SPA-815 | SPA-832 | SPA-875 |
|---|---|---|---|---|
| Frequency | ||||
| Frequency | Frequency range | 9 kHz to 1.5 GHz | 9 kHz to 3.2 GHz | 9 kHz to 7.5 GHz |
| Frequency | Frequency resolution | 1 Hz | ||
| Internal Reference | Reference frequency | 10 MHz | ||
| Internal Reference | Initial calibration accuracy | <1 ppm | ||
| Internal Reference | Temperature stability (0°C to 50°C, ref to 25°C) | < 2 ppm | < 0.5 ppm | |
| Internal Reference | Aging rate | < 2 ppm/year | < 1 ppm/year | |
| Frequency Counter | Resolution | 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz | ||
| Frequency Span | Range | 0 Hz, 100 Hz to maximum frequency of instrument | ||
| SSB Phase Noise | 10 kHz offset (fc = 1 GHz) | <-80 dBc/Hz | <-98 dBc/Hz | |
| SSB Phase Noise | 100 kHz offset (fc = 1 GHz) | <-100 dBc/Hz (typ.) | <-100 dBc/Hz (typ.) | |
| Residual FM | RBW = VBW = 1 kHz | < 50 Hz (nom.) | < 20 Hz (nom.) | |
| Bandwidths | ||||
| Bandwidths | Resolution bandwidth (-3 dB) | 100 Hz to 1 MHz, in 1-3-10 sequence | 10 Hz to 1 MHz, in 1-3-10 sequence | |
| Bandwidths | RBW uncertainty | <5% (nom.) | ||
| Bandwidths | Resolution filter shape factor (60dB:3dB) | <5 (nom.) | ||
| Bandwidths | Video bandwidth (-3 dB) | 1 Hz to 3 MHz, in 1-3-10 sequence | ||
| Bandwidths | Resolution bandwidth (-6 dB) EMI | 200 Hz, 9 kHz, 120 kHz | ||
| Amplitude | ||||
| Measurement Range | Range (fc ≥ 10 MHz) | DANL to +20 dBm | ||
| Max Input Level | DC voltage | 50 V | ||
| Max Input Level | CW RF power (attenuation = 30 dB) | +20 dBm (100 mW) | ||
| Max Input Level | Max damage level | +30 dBm (1 W) | ||
| Level Display | Logarithmic level axis | 1 dB to 200 dB | ||
| Level Display | Linear level axis | 0 to Reference Level | ||
| Level Display | Number of display points | 601 | ||
| Level Display | Number of traces | 3 + Math Trace | ||
| Level Display | Trace detectors | normal, positive-peak, negative-peak, sample, RMS, voltage average, quasi-peak (with EMI-DSA800 option) | ||
| Level Display | Trace functions | clear write, max hold, min hold, average, view, blank | ||
| Level Display | Units of level axis | dBm, dBmV, dBµV, nV, µV, mV, V, nW, µW, mW, W | ||
| Input Attenuation | Setting range | 0 to 30 dB, in 1 dB step | ||
| Input Attenuation | Switching uncertainty (fc=50 MHz, relative to 10 dB, 20°C to 30°C) | < 0.5 dB | < 0.3 dB | |
| Absolute Amplitude Uncertainty | fc = 50 MHz, peak detector, PA off, attenuation = 10 dB, input = -10 dBm, 20°C to 30°C | <0.4 dB | <0.3 dB | |
| RBW Switching Uncertainty | relative to 1 kHz RBW | <0.1 dB | ||
| Reference Level | Range | -100 dBm to +20 dBm, in 1 dB step | ||
| Reference Level | Resolution (log Scale / linear Scale) | 0.01 dB / 4 digits | ||
| Preamplifier | Gain 100 kHz to 1.5 GHz | 20 dB (nom.) standard | 17 dB (nom.) option | 17 dB (nom.) option |
| Preamplifier | Gain 1.5 GHz to 3.2 GHz | — | 17 dB (nom.) option | 17 dB (nom.) option |
| Preamplifier | Gain 3.2 GHz to 7.5 GHz | — | — | 17 dB (nom.) option |
| Level Measurement Uncertainty | 95% confidence, S/N > 20 dB, RBW = VBW = 1 kHz, PA off, atten = 10 dB, -50 dBm < input ≤ 0 dBm, fc > 10 MHz, 20°C to 30°C | <1.5 dB (nom.) | <0.8 dB (nom.) | |
| RF Input VSWR | 300 kHz to 1.5 GHz (attenuation ≥ 10 dB) | <1.5 (nom.) | ||
| RF Input VSWR | 1.5 GHz to 3.2 GHz | — | <1.5 (nom.) | <1.5 (nom.) |
| RF Input VSWR | 3.2 GHz to 7.5 GHz | — | — | <1.8 (nom.) |
| Distortion | ||||
| Second Harmonic Intercept (SHI) | fc ≥ 50 MHz, input = -20 dBm, atten = 10 dB | +40 dBm | +45 dBm | |
| Third-order Intercept (TOI) | fc ≥ 50 MHz, two -20 dBm tones at input mixer spaced by 200 kHz, atten = 10 dB | +10 dBm | +11 dBm, +15 dBm (typ.) |
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
Rigol
Condition
New
Manufacturer
Com-Power
Frequency
1.5 GHz
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