The Marconi IFR Aeroflex 6825 is a scalar analyzer delivering precise amplitude measurements across microwave components and systems up to 46 GHz. Built for R&D, characterization, and production environments, this instrument combines a synthesized signal source with low phase noise and 1 Hz frequency resolution in a single platform.
Technical Specifications
Frequency Coverage
• Scalar analysis: 10 MHz to 46 GHz
• Synthesized source: 1 MHz to 46 GHz (RF synthesizer for 1 MHz to 3 GHz; VCOs above 3 GHz)
• Frequency resolution: 1 Hz
Measurement Performance
• Dynamic range: +5 dBm to -65 dBm
• Linearity: ±0.2 dB
• Accuracy: ±2%
• Harmonic content: <-50 dBc (70 MHz to 24 GHz)
Display & Markers
• Large TFT color display with up to four measurement traces on two channels
• Eight markers with peak-to-peak ripple, N-dB bandwidth, -1 dB bandwidth, and extrema-finding functions
• Three detectors standard (seven available as option)
– Key Features
Signal Generation & Modulation
• Swept synthesized output for frequency characterization
• CW mode for local oscillator substitution
• Power sweep for amplifier gain compression analysis
• Optional increased output power from 3 to 24 GHz
• FM modulation via external AF generator input (rear panel)
• Optional internal FM and pulse modulation (Option 023)
• Optional internal pulse modulator with configurable single/multi-pulse patterns (Option 025B)
Control & Data Transfer
• IEEE 488.2 GPIB interface: transfers up to 401 data points in <50 ms typical
• RS-232 remote operation support
Environmental Compliance
• Operating temperature: 0°C to 50°C
• Humidity: up to 93% RH at 40°C
• Storage/transport: -40°C to +71°C
• Altitude: up to 4570 m (15,000 ft)
• IEC/EN 61010-1 Class 1 portable equipment safety compliance
• Weight: approximately 35 lbs; dimensions: 24 × 18 × 16 inches
– Typical Applications
Component characterization, amplifier testing, filter analysis, transmission line measurement, and harmonic content evaluation in R&D and manufacturing environments.
– Compatibility & Integration
Optional 40 GHz 70 dB step attenuator (Option 013) and field-replaceable connectors in 2.92 mm, N (f), and 3.5 mm (f) formats (Option 002) extend measurement capability and minimize downtime.
