{"id":474,"date":"2026-06-11T10:44:19","date_gmt":"2026-06-11T02:44:19","guid":{"rendered":"https:\/\/projectleon.net\/make\/blog\/patch-antenna-2ghz-pcb-elrs-wifi-fpv-build-farsi\/"},"modified":"2026-06-11T10:44:19","modified_gmt":"2026-06-11T02:44:19","slug":"patch-antenna-2ghz-pcb-elrs-wifi-fpv-build-farsi","status":"publish","type":"post","link":"https:\/\/projectleon.net\/make\/blog\/patch-antenna-2ghz-pcb-elrs-wifi-fpv-build-farsi\/","title":{"rendered":"\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0622\u0646\u062a\u0646 \u067e\u0686 \u0628\u0631\u0627\u06cc 2.4GHz: \u0633\u0627\u062e\u062a PCB Patch \u0622\u0646\u062a\u0646 \u0628\u0631\u0627\u06cc ELRS \u0648 WiFi FPV (\u0641\u0627\u0631\u0633\u06cc)"},"content":{"rendered":"
\n\u0622\u0646\u062a\u0646 Patch 2.4GHz PCB ELRS WiFi FPV\n<\/div>\n
\n

\u0622\u0646\u062a\u0646 Patch \u06cc\u0639\u0646\u06cc \u0686\u0647\u061f (\u0628\u0631\u0627\u06cc \u0645\u0628\u062a\u062f\u06cc)<\/h2>\n

\u0622\u0646\u062a\u0646 Patch<\/strong> (\u06cc\u0627 Microstrip Patch Antenna) \u06cc\u06a9 \u0622\u0646\u062a\u0646 \u0645\u0633\u0637\u062d \u0627\u0633\u062a \u06a9\u0647 \u0631\u0648\u06cc \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u0631\u0633\u0627\u0646\u0627 (PCB \u06cc\u0627 \u0648\u0631\u0642 \u0645\u0633) \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u0627\u06cc\u0646 \u0622\u0646\u062a\u0646 \u062f\u0631 \u06cc\u06a9 \u062c\u0647\u062a \u0645\u0634\u062e\u0635 \u0627\u0644\u06af\u0648\u06cc \u062a\u0634\u0639\u0634\u0639 \u0645\u062a\u0645\u0631\u06a9\u0632 \u062f\u0627\u0631\u062f \u2014 \u06cc\u0639\u0646\u06cc \u062c\u0647\u062a\u200c\u062f\u0627\u0631<\/strong> \u0627\u0633\u062a \u0648 \u0628\u0647\u0631\u0647 \u0628\u0627\u0644\u0627\u06cc\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0622\u0646\u062a\u0646\u200c\u0647\u0627\u06cc Omni (\u0647\u0645\u0647\u200c\u062c\u0647\u062a\u0647) \u062f\u0627\u0631\u062f. \u0628\u0631\u0627\u06cc \u0627\u0631\u062a\u0628\u0627\u0637 \u0627\u0632 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0628\u0627 ELRS \u0631\u0648\u06cc \u06f2.\u06f4GHz \u0627\u06cc\u062f\u0647\u200c\u0622\u0644 \u0627\u0633\u062a.<\/p>\n

\u0627\u0635\u0644 \u06a9\u0627\u0631: \u06cc\u06a9 \u0642\u0637\u0639\u0647 \u0645\u0633\u062a\u0637\u06cc\u0644\u06cc \u0645\u0633\u06cc (Patch) \u0631\u0648\u06cc \u06cc\u06a9 \u0632\u06cc\u0631\u0644\u0627\u06cc\u0647 \u062f\u06cc\u200c\u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9 \u0642\u0631\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f \u0648 \u0628\u0627 \u06cc\u06a9 \u062e\u0637 \u062a\u063a\u0630\u06cc\u0647 \u0628\u0647 SMA Connector \u0648\u0635\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0641\u0631\u06a9\u0627\u0646\u0633 \u0631\u0632\u0648\u0646\u0627\u0646\u0633 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0637\u0648\u0644 Patch<\/strong> \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u06f2.\u06f4GHz\u060c \u0637\u0648\u0644 Patch \u062d\u062f\u0648\u062f \u06f3\u06f1mm \u0627\u0633\u062a.<\/p>\n<\/div>\n

\n

\u0645\u062d\u0635\u0648\u0644\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u0633\u0627\u0632\u06cc\u062f<\/h2>\n

\u06cc\u06a9 \u0622\u0646\u062a\u0646 Patch 2.4GHz \u0628\u0627 \u0628\u0647\u0631\u0647 \u06f7-\u06f8dBi \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631\u0627\u06cc ELRS \u062f\u0627\u06cc\u0631\u06a9\u0634\u0646\u0627\u0644\u060c Video Receiver \u06cc\u0627 WiFi \u0628\u0644\u0646\u062f \u0628\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/p>\n

    \n
  • \u0632\u0645\u0627\u0646 \u0633\u0627\u062e\u062a:<\/strong> \u06f2 \u062a\u0627 \u06f3 \u0633\u0627\u0639\u062a<\/li>\n
  • \u0647\u0632\u06cc\u0646\u0647:<\/strong> \u06f1\u06f0\u06f0 \u062a\u0627 \u06f2\u06f5\u06f0 \u0647\u0632\u0627\u0631 \u062a\u0648\u0645\u0627\u0646<\/li>\n
  • \u0628\u0647\u0631\u0647:<\/strong> \u06f7-\u06f8 dBi<\/li>\n<\/ul>\n<\/div>\n

    \n\n\n\n\n\nFeed Point<\/text>\nPatch (\u0645\u0633)<\/text>\nL \u2248 31mm, W \u2248 38mm<\/text>\nSubstrate FR4 (h=1.6mm)<\/text>\nGround Plane<\/text>\n\n\u0627\u0644\u06af\u0648\u06cc \u062a\u0634\u0639\u0634\u0639 \u062c\u0647\u062a\u200c\u062f\u0627\u0631 \u2191<\/text>\n\u0622\u0646\u062a\u0646 Patch \u2014 Substrate + Patch \u0645\u0633 + Ground = \u0622\u0646\u062a\u0646 2.4GHz<\/text>\n<\/svg><\/p>\n

    \u0641\u0631\u0645\u0648\u0644\u200c\u0647\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0628\u0631\u0627\u06cc 2.4GHz<\/h2>\n
    \n\/\/ \u0632\u06cc\u0631\u0644\u0627\u06cc\u0647: FR4\u060c \u0636\u062e\u0627\u0645\u062a h=1.6mm\u060c \u03b5r = 4.4\n\/\/ \u0641\u0631\u06a9\u0627\u0646\u0633 \u0647\u062f\u0641: f = 2.45GHz\n\n\/\/ \u0637\u0648\u0644 Patch:\n\/\/ L = c \/ (2*f*sqrt(\u03b5r)) \u2248 300e9 \/ (2 * 2.45e9 * sqrt(4.4)) \u2248 29.2mm\n\/\/ + \u062a\u0635\u062d\u06cc\u062d edge effect: L_eff \u2248 31-32mm\n\n\/\/ \u0639\u0631\u0636 Patch (\u0628\u0631\u0627\u06cc \u0627\u062b\u0631\u0628\u062e\u0634\u06cc \u0628\u0647\u062a\u0631):\n\/\/ W = c \/ (2*f) * sqrt(2\/(\u03b5r+1)) \u2248 38mm\n\n\/\/ \u0645\u062d\u0644 Feed Point (Quarter-wave):\n\/\/ \u0627\u0632 \u0645\u0631\u06a9\u0632 \u0628\u0647 \u0633\u0645\u062a \u0644\u0628\u0647: \u2248 L\/4 \u2248 8mm \u0627\u0632 \u0645\u0631\u06a9\u0632\n\n\/\/ \u0627\u0645\u067e\u062f\u0627\u0646\u0633 Feed Line 50\u03a9 \u0631\u0648\u06cc FR4:\n\/\/ \u0639\u0631\u0636 \u062e\u0637: W_line \u2248 3mm (\u0628\u0631\u0627\u06cc h=1.6, \u03b5r=4.4)\n<\/code><\/pre>\n
    \u0645\u0631\u0627\u062d\u0644 \u0633\u0627\u062e\u062a \u0628\u0627 \u0631\u0648\u0634 \u0633\u0627\u062f\u0647 (\u0648\u0631\u0642 \u0645\u0633 + \u0641\u0648\u0645)<\/h2>\n\n\n\n\n\n\n\n\n\n
    \u0645\u0631\u062d\u0644\u0647<\/th>\n\u062a\u0648\u0636\u06cc\u062d<\/th>\n<\/tr>\n<\/thead>\n
    \u06f1. \u0628\u0631\u0634 Ground Plane<\/td>\n\u0648\u0631\u0642 \u0622\u0644\u0648\u0645\u06cc\u0646\u06cc\u0648\u0645 \u06f1\u06f0\u00d7\u06f1\u06f0 cm<\/td>\n<\/tr>\n
    \u06f2. \u0628\u0631\u0634 Patch<\/td>\n\u0648\u0631\u0642 \u0645\u0633 \u06f3\u06f1\u00d7\u06f3\u06f8mm \u0628\u0627 \u062f\u0642\u062a \u00b1\u06f0.\u06f5mm<\/td>\n<\/tr>\n
    \u06f3. Spacer \u062f\u06cc\u200c\u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9<\/td>\n\u0641\u0648\u0645 PE \u0636\u062e\u0627\u0645\u062a \u06f6mm (\u03b5\u22481.2) \u06cc\u0627 FR4<\/td>\n<\/tr>\n
    \u06f4. \u0644\u062d\u06cc\u0645 Feed Wire<\/td>\n\u0633\u06cc\u0645 \u06f0.\u06f5mm \u0627\u0632 SMA \u0628\u0647 Feed Point<\/td>\n<\/tr>\n
    \u06f5. \u062a\u0646\u0638\u06cc\u0645 Feed Point<\/td>\n\u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u0646 \u0628\u0647 VSWR < 1.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \u0686\u06a9\u200c\u0644\u06cc\u0633\u062a \u062a\u0633\u062a<\/h2>\n\n\n\n\n\n\n\n
    \u062a\u0633\u062a<\/th>\n\u0646\u062a\u06cc\u062c\u0647<\/th>\n<\/tr>\n<\/thead>\n
    NanoVNA \u06cc\u0627 SWR Meter \u2192 VSWR < 1.5?<\/td>\n\u0628\u0644\u0647 = \u062a\u0637\u0627\u0628\u0642 \u062e\u0648\u0628<\/td>\n<\/tr>\n
    \u0645\u0642\u0627\u06cc\u0633\u0647 RSSI \u0628\u0627 \u0622\u0646\u062a\u0646 Omni \u062f\u0631 \u06f1\u06f0\u06f0m<\/td>\nPatch \u0628\u0627\u06cc\u062f \u06f5-\u06f7dB \u0642\u0648\u06cc\u200c\u062a\u0631 \u0628\u0627\u0634\u062f<\/td>\n<\/tr>\n
    \u062e\u0637 SMA \u0645\u062d\u06a9\u0645 \u0644\u062d\u06cc\u0645 \u0634\u062f\u0647\u061f<\/td>\n\u0628\u0644\u0647 \u2014 \u0627\u062a\u0635\u0627\u0644 \u0636\u0639\u06cc\u0641 = SWR \u0628\u0627\u0644\u0627<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n\n\n\n\n\n\n\nTX ELRS<\/text>\n\u0622\u0646\u062a\u0646 Omni<\/text>\n\u0627\u0631\u0633\u0627\u0644 2.4GHz<\/text>\n100mW<\/text>\n\u0622\u0646\u062a\u0646 Patch<\/text>\n7-8 dBi \u0628\u0647\u0631\u0647<\/text>\nRX \u067e\u0647\u067e\u0627\u062f<\/text>\nRSSI \u0628\u0647\u062a\u0631<\/text>\nPatch Antenna \u2014 \u0628\u0647\u0631\u0647 \u062c\u0647\u062a\u200c\u062f\u0627\u0631 \u2192 RSSI \u0628\u0647\u062a\u0631 \u2192 \u0628\u0631\u062f \u0628\u06cc\u0634\u062a\u0631<\/text>\n<\/svg><\/p>\n
    \u0648\u06cc\u062f\u0626\u0648\u0647\u0627\u06cc \u0622\u0645\u0648\u0632\u0634\u06cc<\/h2>\n
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