The Marconi IFR Aeroflex 6842A integrates a synthesized source, scalar analyzer, and spectrum analyzer into a single RF and microwave test platform. The scalar analyzer operates from 10 MHz to 8.4 GHz, while the spectrum analyzer extends coverage to 20 GHz, enabling precision characterization of components and systems across multiple frequency bands.
– Technical Specifications
Scalar Analyzer
• Frequency Range: 10 MHz to 8.4 GHz
• Dynamic Range: >80 dB (filter testing with tuned input)
• EEPROM-corrected detectors for linearity and frequency response
• Insertion and return loss measurement (simultaneous)
• Real-time transmission line fault location with 0.1% accuracy
• AC detection for return loss and fault location with interfering signals present
Spectrum Analyzer
• Frequency Range: Up to 20 GHz
• Instantaneous Dynamic Range: >80 dB
• Resolution Bandwidth Filters: 3 MHz to 1 kHz
• Spurious Performance: Better than -60 dBc on full span sweeps
• Full-range tracking generator capability
Synthesized Source
• Frequency Resolution: 1 Hz
• Phase Noise: Low
• Harmonic Performance: <-55 dBc (70 MHz to 24 GHz)
• CW and swept source modes
• Tracking generator for spectrum analyzer (up to 46 GHz)
• Offset tracking source for frequency translation device measurements
• Power sweep capability for gain compression testing
• Optional step attenuators for amplifier and receiver testing
• Optional increased output power (3 to 24 GHz)
Modulation
• FM Option: Internal modulation oscillator (0.01 Hz to 20 kHz), deviation 0 to 100 kHz
• Group Delay Option: Simultaneous measurement and display of group delay and amplitude response
– Key Features
• Tuned spectrum analyzer input enables high dynamic range scalar measurements
• Local oscillator substitution in CW mode
• External FM via rear panel BNC connector
• IEEE 488.1/488.2 GPIB interface with HPGL plotter control support
– Typical Applications
• Filter characterization and validation
• Network analysis on frequency translation devices
• Amplifier gain compression testing
• Transmission line fault diagnosis
• Spurious and harmonic measurement
– Compatibility & Integration
GPIB control with full Talk/Listen capability and data transfer support enables integration into automated test systems.
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