Marconi IFR Aeroflex 6583 – 26.50GHz N-f Fault Locator

The Marconi IFR Aeroflex 6583 is a portable cable and antenna analyzer engineered for precise fault location in RF systems operating to 26.50 GHz. This instrument identifies faults in coaxial cables and waveguides with high accuracy, combining a full-featured scalar analyzer with return loss measurement capability and integrated power metering. Field-replaceable connectors and a compact design enable rapid deployment in demanding operational environments.

– Technical Specifications

Frequency Range: 0.01 GHz to 26.50 GHz

RF Output Connectors: Type 6200 (Precision N-female, 50 Ω); Type 6203 (MPC 3.5 mm female, 50 Ω); Option 002 (field-replaceable 50 Ω precision 3.5 mm female and N-female connectors)

Reverse Input Power: Maximum 100 mW

Source Match (internally levelled):
• 0.01–0.05 GHz: Return Loss 1.7:1
• 0.05–2 GHz: Return Loss 3.3:1
• 2–8 GHz: Return Loss 3.0:1
• 8–12 GHz: Return Loss 2.5:1
• 12–26.5 GHz: Return Loss 2.0:1

Voltage Source: Range −15 V to +15 V; Resolution 1 mV; Accuracy ±15 mV; Maximum 2.5 W

Current Source: Range −150 mA to +150 mA; Resolution 10 µA; Accuracy ±300 µA; Maximum 1.25 W

Harmonics (Synthesized Source):
• 0.01–2 GHz: <−27 dBc (typical −35 dBc)
• 2–8 GHz: <−35 dBc (typical −40 dBc)

– Key Features

Scalar Analyzer: Four-input design with 90 dB dynamic range, AC/DC detection, and linearity across full bandwidth. Dual auto-scaling display channels support up to four simultaneous live or stored traces.

Power Measurement: −70 dBm to +35 dBm range (sensor-dependent); calibration factor 0.01–200%; linearity factor 0.1–15.

Measurement Flexibility: 2–1601 user-selectable points; <200 ms acquisition at 401 points, <800 ms at 1601 points; averaging 1–1000 per measurement; normalization via Through, Short/Open, or Short calibration.

– Typical Applications

Fault location in cable assemblies, waveguide networks, and antenna systems; return loss profiling; power measurement in RF subsystems; field diagnostics at microwave frequencies.

– Compatibility & Integration

Rear-panel BNC output connectors support external data logging and automated test systems.