The Marconi IFR Aeroflex 3550R is a portable, ruggedized radio communications test system engineered for field testing of analog and digital radio equipment across demanding environments. Its resistive touch-screen interface delivers intuitive operation for technicians and engineers. The system combines spectrum analysis, channel analysis, RF generation, and modulation characterization in a single magnesium-alloy platform rated to MIL-PRF-28800F Class 2, operating reliably from -20°C to +55°C.
Technical Specifications
• Display: Resistive touch-screen
• Operating Temperature: -20°C to +55°C
• Storage Temperature: -20°C to +85°C
• Weight: 8.3 lbs / 3.75 kg (magnesium alloy)
• Battery Runtime: 4.5 hours continuous, typical conditions
• Battery Charge Time: 4 hours at +0°C to +45°C
• Timebase Accuracy: 0.15 ppm with external frequency reference capability
– Key Features
• Spectrum Analyzer: -140 dBm DANL
• Channel Analyzer: 5 MHz span with trace storage and marker-based signal level measurement
• Tracking Generator: VSWR and return loss measurement; cable fault location
• RF Generator: Receiver performance testing for digital and analog radios
• Oscilloscope: Multi-function waveform capture and analysis
• Power Measurements: 500 mW to 500 W via external USB wideband thru-line power sensor; 0.5 dB typical accuracy with cable path loss correction
• Analog Modulation Analysis: AM and FM deviation (4% typical accuracy, 0.0 dB flatness)
• Digital Modulation Analysis: Modulation fidelity, symbol deviation, FSK error, magnitude error, and frequency error
• Receiver Sensitivity: Down to -125 dBm; SINAD, distortion, and frequency measurements
• Digital BER Testing: DMR, dPMR, P25, and NXDN bit pattern sequence analysis
• Transmitter Testing: P25 modulation fidelity, symbol deviation, and frequency error per TIA-102.CAAA-C
– Compatibility & Integration
Supported technologies include AM, FM, DMR (MOTOTRBO™), P25, TETRA, NXDN™, dPMR, and ARIB T98. External wideband power sensors (Bird 5017D, Bird 5017B) integrate via USB for precision RF power characterization.
