The Marconi IFR Aeroflex 6846 is a dual-function RF and microwave test instrument combining scalar and spectrum analysis in a single platform. The scalar analyzer operates from 10 MHz to 8.4 GHz for precise amplitude-versus-frequency measurements and insertion/return loss characterization, while the integrated spectrum analyzer extends coverage to 24 GHz for spurious emission and harmonic analysis. This dual capability enables complete RF component and system characterization across development, manufacturing, and field service applications.
Technical Specifications
Scalar Analyzer
• Frequency range: 10 MHz to 8.4 GHz
• Insertion loss measurement: >80 dB dynamic range
• Simultaneous insertion and return loss measurement
• EEPROM corrected detectors for accuracy
Spectrum Analyzer
• Frequency range: Up to 24 GHz
• Resolution bandwidth: 3 MHz to 1 kHz filters
• Dynamic range: >80 dB instantaneous
• Spurious performance: Better than -60 dBc on full span sweeps
• Continuous full-band sweep capability for harmonic and spurious measurements
Synthesized Source
• Frequency range: 1 MHz to 3 GHz (synthesized), above 3 GHz via VCO
• Frequency resolution: 1 Hz
• Harmonic performance: 80 dB dynamic range on both scalar and spectrum measurements
• Low distortion front end enables spurious detection to -60 dBc levels
• 1 Hz frequency resolution for precise tuning and analysis
• Optional power sweep for amplifier compression characterization
– Typical Applications
• Amplifier, filter, and cable performance evaluation
• Component insertion and return loss measurement
• Harmonic and spurious emission analysis
• Mixer and upconverter testing
• Routine spectrum measurements on RF and microwave subsystems
– Compatibility & Integration
GPIB and RS-232 interfaces support automated test systems and remote operation. CW mode enables use as a local oscillator for external measurement setups.
