The Advantest R3273 is a high-performance spectrum analyzer engineered for signal analysis across ultra-wide frequency bands, from 100 Hz to 26.5 GHz in standard configuration. Built for digital mobile communications and advanced wireless services, it delivers accurate, repeatable measurements of complex modulation signals, wide-band emissions, and high-frequency phenomena. The instrument serves R&D teams, production testing environments, and field deployment scenarios with equal capability.
Technical Specifications
Frequency Coverage
• Standard: 100 Hz to 26.5 GHz
• Extended (optional external mixer): 26.5 GHz to 60 GHz
• Tuning capability (with optional external mixer): up to 325 GHz
Frequency Accuracy & Stability
• Span accuracy: ±1% or better (typical ±0.2% across all spans)
• Frequency read accuracy: ±(Frequency reading × Frequency reference accuracy + Span × Span accuracy + 0.15 × Resolution bandwidth + 10 Hz)
• Marker frequency counter resolution: 1 Hz to 1 kHz
• Standard frequency reference stability: ±3 × 10⁻⁸/day
• Optional high-stability reference: ±5 × 10⁻⁹/day
• Optional rubidium reference: ±1 × 10⁻¹⁰/month
• Residual FM (zero span): 10 dB)
• Input attenuator range: 0 to 75 dB in 5 dB steps
• Reference level range (log): -140 to +60 dBm in 0.1 dB steps
• Reference level range (linear): 22.4 nV to 223 V
– Key Features
• Adjacent channel leakage power (ACP) measurement
• Occupied bandwidth (OBW) and channel power analysis
• Harmonics and spurious emission detection
• Dual-trace simultaneous measurement capability
• Delayed and gated sweep functions
• Peak list and XdB down measurements
• Noise/Hz measurement mode
– Typical Applications
• Mobile communications signal characterization
• Wireless infrastructure compliance testing
• R&D verification of modulation and spectral purity
• Production line signal validation
• Field deployment signal monitoring
