{"id":8977,"date":"2026-07-01T06:14:12","date_gmt":"2026-07-01T06:14:12","guid":{"rendered":"https:\/\/materialparts.com\/pha-1\/"},"modified":"2026-07-01T06:14:12","modified_gmt":"2026-07-01T06:14:12","slug":"pha-1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/pha-1\/","title":{"rendered":"PHA-1+"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The PHA-1+ is a Mini-Circuits ultra-high dynamic range MMIC amplifier using E-PHEMT with 0.05-6GHz bandwidth, +42dBm OIP3, +22.4dBm P1dB, 2.2dB NF, 13.5dB gain, +5V 146mA. Packaged in SOT-89.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n
Frequency<\/td>\n50 – 6000 MHz<\/td>\n<\/tr>\n
Gain<\/td>\n13.5 dB @ 2GHz<\/td>\n<\/tr>\n
OIP3<\/td>\n+42 dBm @ 2GHz<\/td>\n<\/tr>\n
P1dB<\/td>\n+22.4 dBm @ 2GHz<\/td>\n<\/tr>\n
NF<\/td>\n2.2 dB @ 2GHz<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-89<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 0.05 to 6GHz broadband operation<\/li>\n
  • +42dBm ultra-high OIP3<\/li>\n
  • +22.4dBm P1dB<\/li>\n
  • 2.2dB noise figure<\/li>\n
  • No external matching required<\/li>\n
  • E-PHEMT technology<\/li>\n
  • +5V single supply, 146mA<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Base station driver amplifier<\/li>\n
    • Linearized transmitter driver<\/li>\n
    • High dynamic range receiver<\/li>\n
    • CATV and broadband<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The PHA-1+ is a Mini-Circuits ultra-high dynamic range MMIC amplifier using E-PHEMT with 0.05-6GHz bandwidth, +42dBm OIP3, +22.4dBm P1dB, 2.2dB NF, 13.5dB gain, +5V 146mA. Packaged in SOT-89. Key Specifications Frequency 50 – 6000 MHz Gain 13.5 dB @ 2GHz OIP3 +42 dBm @ 2GHz P1dB +22.4 dBm @ 2GHz NF 2.2 dB […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,35],"tags":[],"chip_brand":[311],"class_list":["post-8977","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-power-switches","chip_brand-mini-circuits"],"acf":{"brief_explanation":"UHD MMIC amp, 0.05-6GHz, +42 OIP3, 2.2dB NF, SOT-89","date_code":"","package_case":"SOT-89 (4.5 x 2.5 x 1.5 mm)","in_stock":2812,"datasheet":"https:\/\/www.minicircuits.com\/pdfs\/PHA-1+.pdf","price":"$2.00 @ 1ku","product_introduction":"The PHA-1+ is a Mini-Circuits ultra-high dynamic range monolithic amplifier using E-PHEMT technology in an SOT-89 package. The +42dBm typical OIP3 at 2GHz is exceptional for a device consuming only 146mA at +5V. The 20dB gap between OIP3 and P1dB indicates extremely linear operation. The 2.2dB NF combined with +42dBm OIP3 yields 39.8dB spurious-free dynamic range. Unlike competitive amplifiers, the PHA-1+ provides 14-21dB input and output return loss up to 4GHz without external matching. The 0.05-6GHz bandwidth covers all primary wireless bands. The + suffix indicates RoHS compliance.","working_principle":"The PHA-1+ uses a single-stage E-pHEMT amplifier with internal resistive feedback and active bias circuit. The E-pHEMT is a depletion-mode GaAs HEMT with enhancement-mode threshold, allowing single +5V supply operation. The resistive feedback from drain to gate provides gain flatness over 0.05-6GHz and improves return loss. The active bias circuit maintains constant 146mA quiescent current over temperature. The +42dBm OIP3 is achieved through high-linearity E-pHEMT characteristics at 146mA where transconductance derivative is minimized.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1<\/td>RF IN<\/td>RF input (50 ohm matched)<\/td><\/tr>
      2<\/td>GND<\/td>Ground (thermal path)<\/td><\/tr>
      3<\/td>RF OUT\/VDD<\/td>RF output and supply (50 ohm matched)<\/td><\/tr><\/table>","application_scenarios":"
      • Base station driver amplifier with +42dBm OIP3 for LTE downlink<\/li>\n
      • Ultra-high dynamic range receiver second stage with 39.8dB SFDR<\/li>\n
      • Linearized transmitter driver where OIP3 exceeds P1dB by 20dB<\/li>\n
      • CATV\/DBS broadband amplifier covering 50MHz to 6GHz<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        PHA-1H+<\/td>Mini-Circuits<\/td>Similar, higher frequency<\/td><\/tr>
        PHA-13LN+<\/td>Mini-Circuits<\/td>Lower NF (0.8dB), 1GHz<\/td><\/tr>
        SPA-2+<\/td>Mini-Circuits<\/td>Higher gain, lower OIP3<\/td><\/tr>
        WJA-5H+<\/td>Mini-Circuits<\/td>Similar WJ equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8977","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=8977"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/8977\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=8977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=8977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=8977"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=8977"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}