The Advantest R3361A is a spectrum analyzer engineered for signal analysis, component characterization, and EMC measurements across 9 kHz to 2.6 GHz. Built around a synthesized local oscillator, it delivers ±0.2 ppm frequency reference accuracy and 1 dB typical total level accuracy. The instrument achieves 120 dB display dynamic range and -130 dBm to +25 dBm amplitude measurement capability, supported by a high-sensitivity receiver and -105 dBc/Hz phase noise at 711 kHz offset.
– Technical Specifications
Frequency Range: 9 kHz to 2.6 GHz
Accuracy & Stability
• Frequency reference accuracy: ±0.2 ppm
• Total level accuracy: 1 dB (typical)
• Input attenuator switching accuracy: ±0.1 dB at 2.0 GHz; ±1.5 dB at 3.6 GHz
• Frequency drift: < 300 Hz/min for span < 2 MHz
Dynamic Range & Sensitivity
• Display dynamic range: 120 dB
• Measurement dynamic range (with tracking generator): 110 dB
• Amplitude measuring range: -130 dBm to +25 dBm
• QP dynamic range: 70 dB
• Phase noise: -105 dBc/Hz at 711 kHz offset (f < 3.0 GHz)
• Secondary and tertiary distortion: ≤ -70 dB at -30 dBm input
• Residual response: ≤ -100 dBm
Resolution & Video Bandwidth
• Resolution bandwidth: 30 Hz to 1 MHz with < ±0.3 dB switching accuracy
• Video bandwidth: 1 Hz to 1 MHz, switchable in 1 or 10 steps
Input/Output
• Input impedance: 50 ohms, N-type connector
• Maximum input: +25 dBm (attenuator ≥ 10 dB); 50 VDC maximum
• Output impedance: Approximately 50 ohms, N-type connector
• Input attenuator: 0 to 50 dB in 10 dB steps
– Key Features
• Integrated tracking generator (9 kHz to 2.6 GHz) with output range 0 dBm to -50 dBm
• Tracking generator output level accuracy: ±0.5 dB at 30 MHz, -10 dBm; flatness ≤ ±0.7 dB
• Tracking generator leakage: ≤ -100 dBm (up to 3.0 GHz)
• Manual sweep function for spot measurements
• User-defined functions for customized operational menu configuration
• Measuring window function for focused analysis on specific data ranges
• Voice monitor output for AM and FM with 8 Ω earphone capability
• Probe power source: ±15 V via 4-pin connector
– Typical Applications
• EMC/EMI measurements and compliance testing
• RF component and subsystem characterization
• Filter and network response analysis via tracking generator
• Distortion and spurious signal measurement
• Narrow-band signal detection and analysis
– Compatibility & Integration
The R3361A accepts standard 50 ohm RF sources and feeds via N-type connectors. Integration with external test systems leverages the tracking generator output for automated frequency response measurements across the full 9 kHz to 2.6 GHz band.
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