產品明細

HC977E

嵌入式三頻螺旋天線+L波段

    產品簡述
    ♦ 超低雜訊前置放大器：2.0 dB
    ♦ 軸比：天頂處≤0.5 dB
    ♦ LNA增益典型值28 dB或35 dB
    ♦ 低電流：典型值 15 mA 或 21 mA
    ♦ 靜電放電電路保護：15 kV
    ♦ 在 2.5 至 16 VDC 電壓範圍內性能保持不變
    ♦ 符合 IP69K、REACH 和 RoHS 標準

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      產品詳細介紹Product Introduction

      HC977E Embedded Triple-band Helical Antenna with L-Band


      The patented HC977E embedded helical antenna is designed for precision positioning, covering the GPS/QZSS-L1/L2/L5, GLONASS-G1/G2/G3, Galileo-E1/E5a/E5b, BeiDouB1/B2/B2a, and NavIC-L5 frequency bands, including the satellite-based augmentation system (SBAS) available in the region of operation [WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN (India)], as well as L-Band correction services.

      Weighing only 8 g, the light and compact HC977E features a precision-tuned helix element that provides excellent axial ratios and operates without the requirement of a ground plane, making it ideal for a wide variety of applications, including unmanned aerial vehicles (UAVs).

      The HC977E features an industry-leading low current, lownoise amplifier (LNA) that includes an integrated low-loss prefilter to prevent harmonic interference from high-amplitude signals, such as 700 MHz band LTE and other nearby in-Band cellular signals.

      Tallysman provides an optional mounting ring for embedded helical antennas, which traps the outer edge of the antenaa circuit board to the host circuit board or to any flat surface. To facilitate a successful installation and optimum antenna performance, Tallysman also provides an Embedded Helical Antenna Installation Guide.

      Mounting instructions available on our product page.


      Coverage:

      • Very low noise preamp (2.0 dB typ.)
      • Axial ratio (≤ 0.5 dB at zenith)
      • LNA gain (28 dB typ., 35 dB typ.)
      • Low current (15 mA typ., 21 mA typ.)
      • ESD circuit protection (15 kV)
      • Invariant performance from 2.5 to 16 VDC
      • IP69K, REACH, and RoHS compliant
       

      Applications:

      • Autonomous unmanned aerial vehicles (UAVs)
      • Precision GNSS positioning
      • Precision land survey positioning
      • Mission-critical GNSS timing
      • Network timing and synchronization
      • Sea and land container tracking
      • Fleet management and asset tracking
      • Marine and avionics systems
      • Law enforcement and public safety

       

      Antenna:

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