The Marconi IFR Aeroflex 6848 is a integrated RF and microwave analyzer combining a synthesized source, scalar analyzer, and spectrum analyzer in a single platform. Purpose-built for signal characterization across research, development, manufacturing, and field service applications, it delivers routine measurements on RF and microwave components, subsystems, and complete systems with exceptional dynamic range and measurement accuracy.
Technical Specifications
Frequency Coverage
• Spectrum analyzer: 10 MHz to 20 GHz (extendible to 110 GHz with external waveguide mixers)
• Synthesized source: 1 MHz to 3 GHz (integrated RF synthesizer); above 3 GHz via VCOs
• Tracking generator: Full span operation up to 46 GHz with offset capability
Resolution & Dynamic Range
• Resolution bandwidth: 1 kHz to 3 MHz; minimum 100 Hz available
• Instantaneous dynamic range: Greater than 80 dB
• Spurious performance: Better than -60 dBc on full span sweeps
• Amplitude range: Up to +20 dBm
Source Characteristics
• Frequency resolution: 1 Hz
• Phase noise: Low phase noise design
• Harmonic performance: <-55 dBc
• Output modes: CW, swept source, tracking generator, offset tracking source
• Power sweep capability for amplifier compression testing
Scalar Analyzer
• Three-input configuration with tuned receiver
• Simultaneous insertion and return loss measurement
• EEPROM-corrected detectors for measurement accuracy
• High dynamic range performance
Signal Location & Analysis
• Integral frequency counter for signal identification
• Autotune mode for rapid signal acquisition
• FM demodulator with built-in loudspeaker (optional internal FM modulation)
• 3rd order intermodulation intercept point optimization
• Wideband oscillator design for microwave frequency sensitivity
– Key Features
• Low distortion front end enables simultaneous high-level and low-level signal measurement
• Optional step attenuators for precise low power output control
• Offset tracking source simplifies mixer and frequency converter characterization
• Single-instrument integration eliminates need for multiple test platforms
– Typical Applications
• RF and microwave component characterization
• Subsystem and system-level signal analysis
• Spurious and harmonic content measurement
• Amplifier gain compression evaluation
• Network and conversion loss measurement
• Field service signal verification
– Compatibility & Integration
External waveguide mixers support operation beyond 20 GHz. Internal filtering and detector correction ensure measurement consistency across the full operating range.

















