The Advantest R3265 is a sweep-tuned spectrum analyzer covering 9 kHz to 8 GHz, designed for signal characterization across telecommunications, broadcasting, R&D, and electronics testing. This model integrates a high-purity synthesizer and low-noise mode to achieve sensitivity of -145 dBm (1 MHz to 3.6 GHz), enabling detection of weak signals. The built-in BASIC controller supports automated measurement sequences and data/settings storage. The R3265 excels at measuring spurious emissions, occupied bandwidth, adjacent channel leakage power, and analyzing digital/analog mobile signals including TDMA and burst formats.
Technical Specifications
Frequency Performance
• Frequency range: 9 kHz to 8 GHz
• Linear span: 200 Hz to 8 GHz, zero span capable
• Logarithmic span: 1 kHz to 1 GHz (selectable 1, 2, or 3 decade modes)
• Span accuracy: ±3% (>2 MHz), ±5% (≤2 MHz) linear; ±(10% + Stop Frequency × 0.1%) logarithmic
• Zero span sweep: 5 µs/division
Amplitude & Dynamic Range
• Input range: -140 dBm to +30 dBm
• Amplitude range: +30 dBm to average display noise level
• Display: 10×10 division graticule, 95 dB maximum dynamic range
• Input attenuator: 0 to 70 dB (10 dB steps)
• Logarithmic scale: 10, 5, 2, 1, 0.5, 0.2, 0.1 dB/division
• Linear scale: 10% of reference level/division
• Sensitivity (low-noise mode): -145 dBm (1 MHz to 3.6 GHz)
• Spectral purity: -110 dBc/Hz at 2.6 GHz (10 kHz offset)
Resolution & Filtering
• Resolution bandwidth: 10 Hz to 3 MHz (1, 3, 10 sequence)
• RBW accuracy: ±15% (100 Hz to 1 MHz), ±25% (30 Hz) at 25°C ±10°C
• 6 dB bandwidth: 200 Hz, 9 kHz, 120 kHz, 1 MHz
• Video bandwidth: 1 Hz to 3 MHz (1, 3, 10 sequence)
– Key Features
• Adjacent channel leakage power measurement: 70 dB dynamic range (typical)
• Low-noise architecture for weak signal detection
• High-purity local oscillator ensuring clean spectral output
• Standard BASIC controller for test automation and data management
• Dedicated mobile communications analysis (TDMA, burst signal support)
– Typical Applications
• Spurious emission and occupied bandwidth measurement
• Digital and analog mobile communications analysis
• Adjacent channel power assessment
• Burst signal and TDMA protocol characterization
• General RF emissions and compliance testing
– Compatibility & Integration
Built-in BASIC controller enables integration into automated test systems with waveform and settings storage/recall capability.
