The Marconi IFR Aeroflex 6845AR is an integrated RF and microwave analyzer combining a synthesized source, three-input scalar analyzer, and spectrum analyzer in a single instrument. It delivers simultaneous insertion loss and return loss measurements across 10 MHz to 40 GHz, with scalar capability exceeding 80 dB and spectrum analysis to 40 GHz with 80 dB instantaneous dynamic range. The platform supports field service, manufacturing characterization, and R&D applications across components, subsystems, and complete systems.
– Technical Specifications
Frequency Coverage
• Scalar Analyzer: 10 MHz to 40 GHz
• Spectrum Analyzer: Up to 40 GHz
• Extendable to 110 GHz with external waveguide mixers (option 020)
Scalar Analyzer
• Three input channels for network characterization
• Insertion loss measurement capability exceeding 80 dB
• EEPROM corrected detectors for measurement precision
• Tuned receiver with high dynamic range
• Internal swept source for scalar measurements
Spectrum Analyzer
• Resolution bandwidth: 3 MHz to 1 kHz
• Dynamic range: 80 dB instantaneous distortion-free
• Spurious measurement performance: better than -60 dBc on full span sweeps
• Sensitivity optimized at microwave frequencies via wideband oscillators
• FM demodulator with integrated loudspeaker
• Integral frequency counter
• Autotune mode for rapid signal location
• Harmonic and spurious oscillator output measurement
Synthesized Source
• Frequency resolution: 1 Hz
• Output modes: CW, swept source, tracking generator, offset tracking
• Low phase noise performance
• Harmonic performance: <-55 dBc with internal filtering
• Optional increased output power: 3 to 24 GHz
• Full span tracking generator with offset capability
– Typical Applications
• Component and subsystem characterization
• Filter and network testing
• Oscillator harmonic and spurious measurement
• Signal interference locating
• Frequency translation device analysis
• Manufacturing test and field service
– Compatibility & Integration
Frequency range extension to 110 GHz available through external waveguide mixer integration when option 020 is fitted.
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