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AURSINC

AURSINC ZK04‑UM LNA Amplifier,100kHz‑4GHz 18dB Gain USB‑Powered Preamp Compact Low‑noise Broadband with Adjustable Bias for Tinysa Ultra Spectrum Analyzer RF Test, Ham Radio & SDR Receiving

AURSINC ZK04‑UM LNA Amplifier,100kHz‑4GHz 18dB Gain USB‑Powered Preamp Compact Low‑noise Broadband with Adjustable Bias for Tinysa Ultra Spectrum Analyzer RF Test, Ham Radio & SDR Receiving

$15.99
$15.99
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  • High‑Performance LNA Module: Wide frequency range 100kHz‑4GHz, 18dB typical gain, OP1dB:17dBm Typ. Low‑power & low‑noise design. Can replace SPF5189Z, SPF5043Z modules for your RF projects
  • USB‑Interface Powered: Convenient USB power supply, supply current 26mA. Equipped with off‑chip bias, you could adjust bias resistor to cut down working current according to actual demands
  • Effectively Reduce Noise Floor: Built‑in high‑PSRR LDO reduces power‑supply noise. Compared with other USB direct‑feed LNA modules, it delivers lower noise floor and better receiving performance
  • Practical Application: Works perfectly as preamplifier for TinySA ULTRA. TinySA ULTRA built‑in LNA only performs well below 3.5GHz. This external LNA greatly improves high‑frequency measurement sensitivity
  • Compact Structure & Important Tips: Shielded compact housing. Avoid excessive input power to prevent saturation or hardware damage. Keep it away from moisture for outdoor usage, metal shell may rust under humid environment
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