The Marconi IFR Aeroflex 56914/003 is a thermocouple power sensor engineered for precision RF and microwave power measurements across an extended frequency spectrum. Built around a semiconductor thermocouple sensing element, it delivers 0.01% resolution with calibration traceable to national standards. The sensor integrates with industry-standard power meters and test sets, combining field-replaceable RF sensing assemblies with rugged construction for laboratory and field deployment.
Technical Specifications
Frequency Range
• 10 MHz to 46 GHz
Power Measurement Range
• −70 dBm (100 pW) to +44 dBm (25 W)
Accuracy
• ±0.5% at 25 °C and 100 mW
• Degrades at 0.005% per mW above reference
• Resolution: 0.01%
RF Input Limits
• Continuous: +25 dBm (300 mW)
• Peak (2 ms): +42 dBm (15 W)
RF Connector
• MPC 2.92 mm male 50 Ω (standard)
• Alternative types: Type N, APC-7, MPC 3.5 mm
VSWR
• Low input VSWR across full frequency range
Physical
• Length: approximately 80–88.5 mm
• Diameter: 33.5 mm
• Weight: 140–180 g
– Key Features
• Semiconductor thermocouple sensing element for stable, repeatable measurements
• Field-replaceable RF sensing assembly minimizes measurement downtime
• Pre-calibrated with calibration factor and linearity data provided per unit
• High overload capability extends sensor operating life
• Small, lightweight design enables flexible test bench and portable applications
– Typical Applications
RF and microwave power characterization from DC through millimeter-wave frequencies; broadband power monitoring in laboratory, manufacturing, and field service environments; power meter integration for automated test systems.
– Compatibility & Integration
Designed for use with IFR 6960 Series and 6970 RF Power Meters, CPM 20 and CPM 46 Counter Power Meters, and 6200 Series Microwave Test Sets. Optional waveguide transformer configurations (54417/002) and adapters (23443/822) support waveguide-coupled applications with calibration traceability.
