{"product_id":"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","title":"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 \u0026 SDR Receiving","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eHigh‑Performance LNA Module:\u003c\/strong\u003e Wide frequency range 100kHz‑4GHz, 18dB typical gain, OP1dB:17dBm Typ. Low‑power \u0026amp; low‑noise design. Can replace SPF5189Z, SPF5043Z modules for your RF projects\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eUSB‑Interface Powered:\u003c\/strong\u003e 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\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eEffectively Reduce Noise Floor:\u003c\/strong\u003e 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\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003ePractical Application: \u003c\/strong\u003eWorks 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\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eCompact Structure \u0026amp; Important Tips:\u003c\/strong\u003e 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\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AURSINC","offers":[{"title":"Default Title","offer_id":49712423960814,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/9125\/3742\/files\/6391ace427ade714b70fb966024ae804_9ec1aacf-46b8-44bb-a487-b75847a54e35.jpg?v=1791538759","url":"https:\/\/www.aursinc.com\/de\/products\/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","provider":"AURSINC","version":"1.0","type":"link"}