The IFR Aeroflex RD301A Weather Radar Bench Test Set is a solid-state instrument for testing and calibrating airborne weather radar and narrow pulse marine radar systems. It simulates radar functions across the X-band spectrum, enabling routine diagnostics and performance verification for both conventional and new-generation non-coherent radar platforms. The RD301A combines frequency tracking, power measurement, pulse characterization, and IF system testing in a single bench-mounted configuration, eliminating the need for external spectrum analyzers and reducing calibration cycles in aviation maintenance environments, avionics repair shops, and radar laboratories.
Technical Specifications
• Frequency Range: 9.295 to 9.500 GHz (continuously variable)
• Transmitter Pulse Width Response: 50 ns to 30 µs
• Peak Power Measurement (Standard): 0.1 to 12 kW; Calibrated at ±0.6 dB from 1 to 12 kW
• Peak Power Measurement (Optional): 1.0 to 120 kW with external 10 dB attenuator
• PRF Generator Range: 50 Hz to 20 kHz with digital readout and automatic tracking
• IF Sweep Generator: 20 to 70 MHz with built-in marker generator
• IF Output Level: 2 volts rms maximum
• Effective Peak Power (EFF): Characterizes phase modulation and frequency pulling effects in magnetron transmitters
– Key Features
• Automatic frequency tracking system with digital readout eliminates drift compensation
• Heterodyne monitor output displays magnetron pulse modes and phase pulling location/magnitude via oscilloscope
• Contour mode with 0 to 20 dB amplitude boost for rapid receiver calibration and threshold verification
• Internal and external amplitude modulation capability for target scintillation simulation
• Built-in sensitivity testing to establish Minimum Discernable Signal (MDS) performance
• Multiple outputs: HET monitor, DET, spectrum analyzer sample, and discriminator for comprehensive radar characterization
– Typical Applications
• Airborne weather radar system calibration and acceptance testing
• Marine radar bench diagnostics and performance qualification
• Receiver sensitivity and IF chain verification
• Magnetron frequency tracking and mode analysis
• Color/intensity response mapping in radar displays
– Compatibility & Integration
The RD301A interfaces with standard laboratory oscilloscopes via heterodyne monitor output and accepts external modulation signals for custom test scenarios. PRF tracking capability accommodates radar systems operating from 50 Hz to 20 kHz pulse repetition frequencies.
