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MASS-21 Echo Simulator of Radio Altimeter

MASS-18 Universal Echo Precision Delay Module (Miniature Universal Continuous Simulation)

The MASS-18 Universal Echo Precision Delay Module, characterized by its miniature design and universal continuous simulation capability, is a high-precision component engineered for precise echo signal delay adjustment in radio frequency (RF) testing scenarios. It specializes in delivering accurate, customizable delay for echo signals across a broad frequency range, making it compatible with diverse RF devices—including radio altimeters, surveillance radars, and communication systems—that require reliable echo signal simulation. Its compact form factor allows easy integration into space-constrained test setups, while the universal continuous simulation function ensures consistent replication of real-world signal delay conditions (such as those caused by varying altitudes or distances). By enabling precise control over echo delay, the module plays a critical role in verifying key performance metrics of target devices, such as signal capture accuracy, delay response, and data processing reliability, thereby supporting the development, calibration, and quality assurance of high-performance RF equipment with flexibility and precision.​
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Description

Product Description

  • Working center frequency: 4.3GHz, 4.2GHz optional;
  • Maximum allowable bandwidth: 250MHz (- 3dB bandwidth);
  • It has straight separation function;
  • Maximum allowable input power: 26dBm;
  • Simulation height range: continuous: 0.4-15000m;
  • Simulation height resolution: 0.5m;
  • Simulation height accuracy: ±(0.2+0.002×H)m;
  • Height change speed: – 500~500m/S;
  • Height switching time: no more than 1ms (excluding communication and analysis time);
  • In band fluctuation: ± 1dB;
  • Minimum attenuation of circuit: no more than 40dB;
  • Maximum attenuation of circuit: not less than 100dB;
  • Control mode: RS422 serial port control;
  • Working temperature: -40℃～+60℃;
  • Storage temperature: -55℃～70℃.
  • Volume and weight: the standard size of chassis is 233×160×52mm, no more than 2.5kg;
  • The working power supply is DC23～32V, and the power consumption is not more than 20W.

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