The Advantest R3860A is a 4-port RF component analyzer delivering S-parameter measurements across 300 kHz to 8 GHz standard, with optional coverage to 20 GHz. This instrument combines high-speed acquisition—5 µs/point sweep rate—with dynamic range up to 125 dB and trace noise as low as 0.0025 dBrms, enabling precise characterization of RF devices in design, validation, and production environments.
Technical Specifications
Frequency Performance
• Range: 300 kHz to 8 GHz (standard); 300 kHz to 20 GHz (with optional application package)
• Accuracy: ±10 ppm (at 23 ±5°C)
• Resolution: 1 Hz
Signal Source
• Output power: –12 dBm to +13 dBm
• Resolution: 0.001 dB
Dynamic Range & Noise
• System dynamic range: Up to 125 dB typical
• Dynamic range by band: –123 dB (300 kHz–700 MHz); –125 dB (700 MHz–3.8 GHz); –124 dB (3.8–6.0 GHz); –123 dB (6.0–8.0 GHz); –117 dB (8.0–20 GHz, 2-port); –113 dB (8.0–20 GHz, 3/4-port)
• Trace noise: 0.0025 dBrms typical (300 kHz–10 MHz at 1 kHz RBW); scaling to 0.080 dBrms (15.84–20 GHz at 100 kHz RBW)
Measurement Capability
• Sweep speed: 5 µs/point
• Channels: 16
• Display windows: 16
• Traces: 16 per channel (max. 16 simultaneous)
• 4-port measurement set: S11, S22, S33, S44, S21, S31, S41, S12, S32, S42, S13, S23, S43, S14, S24, S34
• Parameter conversion: Impedance (Z) and admittance (Y)
Display Formats
• Rectangular: Amplitude (linear/log), Phase, Group-delay, VSWR, Complex (real/imaginary)
• Smith chart: Amplitude (linear/log), Phase, R+jX, G+jB
• Polar: Amplitude (linear/log), Phase, Complex (real/imaginary)
Connectors & Power Limits
• Test ports: N-connector female (8 GHz); 3.5 mm connector male (20 GHz)
• Maximum input: +10 dBm (8 GHz model); +1 dBm (20 GHz model)
• Destructive level: +21 dBm, 16 Vdc
– Key Features
• Software fixturing for virtual matching circuit simulation and impedance conversion
• Software balun simulation support
• measurement speed with minimal trace noise across full bandwidth
– Typical Applications
RF component design verification, transmission line characterization, filter and amplifier evaluation, antenna impedance measurement, quality assurance testing in production.
