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The LB5944L 9 kHz to 44 GHz True RMS Power Sensor

The LB5944L True RMS Power Sensor is engineered for accurate, modulation-independent RF power measurements across a broad frequency range. With advanced thermal stability and real-time measurement capabilities, it ensures dependable performance in demanding applications like telecom, radar, satellite, and EMC testing. Its compact form factor and versatile interface options make it ideal for integration into R&D labs, production lines, and automated test environments.

The LB5944L is a high accuracy, platform independent RF & Microwave Power Sensor for general purpose average power or True RMS and scalar measurements. The sensor features exceptionally fast measurement speed, a broad dynamic range, and the widest set of options for programmatic and embedded applications in the industry. LadyBug’s feature rich Power Meter Application is provided with each sensor. Time domain trace visibility is included and aids in setting markers. The sensor is useful in research & development, manufacturing & service applications including radar, satellite and telecommunications.
Recommended for average power measurements on signals with any modulation type including: 802.11ac, gsm, cdma 2000, CDMA (IS-95), TDMA, Multi-Tone, OFDM, CW, QAM and more.

  • Broad Frequency Range: Enables versatile testing across RF and microwave bands, making it suitable for a wide range of wireless and defense applications.

  • True RMS Measurement: Delivers accurate readings regardless of signal modulation, including complex waveforms like QAM, OFDM, and pulse-modulated signals.

  • High Dynamic Range: Capable of measuring low-level signals and high-power outputs, ensuring reliable performance in both lab and production environments.

  • NoZero, NoCal Technology: Eliminates the need for user calibration or zeroing, reducing setup time and improving workflow efficiency.

  • Fast Measurement Speed: It supports high sampling rates and fast data acquisition and is ideal for time-sensitive or high-throughput testing scenarios.

  • Real-Time Trace Mode: Provides time-domain visibility of signal power with trigger markers, enabling detailed analysis of dynamic signals.

  • Multiple Interface Options: Offers USB, SPI/I²C, and LAN connectivity for flexible integration into various test setups and automation systems.

  • Compact and Rugged Design: Built for durability and portability, allowing use in field deployments as well as bench-top testing.

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