The Marconi IFR Aeroflex 2871 Communications Analyzer is an integrated test instrument that consolidates signal generation, modulation analysis, and spectrum analysis into a single platform. It delivers precise RF output control, exceptional spectral purity, and multi-mode modulation capabilities for validating radio communication equipment, cellular systems, and wireless devices against industry standards.
Technical Specifications
Frequency Coverage
• Selectable 1.2 GHz or 2.4 GHz full frequency range
RF Output Performance
• Peak output: +13 dBm
• Output level resolution: 0.1 dB
• Standard RF output range: −137 dBm to +25 dBm (to 1.2 GHz); −137 dBm to +19 dBm (above 1.2 GHz)
• Type N connector per MIL-3901230
• Reverse power protection: 50 W from 50 Ω source, or 25 W from 5:1 VSWR source
• Attenuator hold function preserves RF output without level dropouts
• Carrier ON/OFF key disables output completely
• 75 Ω normalization available with impedance converter
Spectral Purity
• Harmonic suppression: −30 dBc typical (RF ≤ +7 dBm); −25 dBc typical (RF ≤ +13 dBm)
• Non-harmonic content (>3 kHz offset): −70 dBc to 1 GHz; −64 dBc above 1 GHz; −60 dBc above 2 GHz
• Residual FM (FM off): 5 kHz)
• PM: Deviation 0–10 radians; supports narrow-band analog radio testing
– Key Features
• Front-panel or GPIB/RS232 protection circuit reset
• Fine-resolution output control with zero-dropout attenuation hold
• Dual-frequency capability for multi-band testing
– Typical Applications
• Radio communication equipment validation
• Cellular system performance verification
• Wireless device compliance testing
• Receiver squelch system evaluation
– Compatibility & Integration
GPIB and RS232 interfaces enable remote control and automation of test sequences.
