{"id":1092,"date":"2018-09-25T02:49:28","date_gmt":"2018-09-25T02:49:28","guid":{"rendered":""},"modified":"2018-09-25T10:49:47","modified_gmt":"2018-09-25T02:49:47","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e5%85%b3%e6%96%ad%e9%9a%94%e7%a6%bb%e6%80%a7%e8%83%bd%e5%9c%a8%e8%be%83%e4%bd%8e%e9%a2%91%e7%8e%87%e6%97%b6%e4%bc%9a%e4%b8%8b%e9%99%8d%3f","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1092","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5173\u65ad\u9694\u79bb\u6027\u80fd\u5728\u8f83\u4f4e\u9891\u7387\u65f6\u4f1a\u4e0b\u964d?"},"content":{"rendered":"

\n\t\u7b80\u4ecb<\/span><\/p>\n

\n\tADG9xx CMOS\u5bbd\u5e26\u5f00\u5173\u4e3b\u8981\u8bbe\u8ba1\u7528\u6765\u6ee1\u8db3\u5de5\u4e1a\u3001\u79d1\u7814\u548c\u533b\u7528(ISM)\u9891\u6bb5 (≥900 MHz) \u4fe1\u53f7\u53d1\u5c04\u5668\u4ef6\u7684\u8981\u6c42\u3002\u8fd9\u4e9b\u5668\u4ef6\u5177\u6709\u4f4e\u63d2\u5165\u635f\u8017\u3001\u9ad8\u7aef\u53e3\u95f4\u9694\u79bb\u5ea6\u3001\u4f4e\u5931\u771f\u548c\u4f4e\u529f\u8017\u7b49\u7279\u6027\uff0c\u56e0\u800c\u662f\u8981\u6c42\u4f4e\u529f\u8017\u4e14\u80fd\u591f\u5904\u7406\u53d1\u5c04\u529f\u7387 (\u6700\u9ad8\u8fbe16 dBm) \u7684\u8bb8\u591a\u9ad8\u9891\u5e94\u7528\u7684\u7406\u60f3\u89e3\u51b3\u65b9\u6848\u3002\u5178\u578b\u5e94\u7528\u5305\u62ec\u9ad8\u901f\u6ee4\u6ce2\u548c\u6570\u636e\u8def\u7531\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u5173\u4e8e\u5404\u5668\u4ef6 (ADG901,ADG902,ADG904,ADG904R,ADG918,ADG919,ADG936\u548cADG936R) \u7684\u5b8c\u6574\u7279\u6027\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u624b\u518c\u4e2d\u627e\u5230\uff0c\u540c\u65f6\u8bf7\u53c2\u8003\u672c\u5e94\u7528\u7b14\u8bb0\u3002\u672c\u5e94\u7528\u7b14\u8bb0\u5bf9\u6709\u5173\u8fd9\u4e9b\u5668\u4ef6\u7684\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u8fdb\u884c\u4e86\u91ca\u7591\u3002ADG9xx\u5668\u4ef6\u7684\u5b8c\u6574\u5217\u8868\u89c1\u88681\u3002<\/p>\n

\n\t\u88681.ADG 9xx\u7cfb\u5217\u7684\u4e3b\u8981\u89c4\u683c\u7279\u6027<\/p>\n

\n\t\"\u201c\u201d\"<\/p>\n

\n\t\u5438\u6536\u5f0f(\u5339\u914d):\u5177\u6709\u5bf9\u573050Ω\u7aef\u63a5\u7535\u963b\u7684\u5f00\u5173;\u53cd\u5c04\u5f0f:\u5177\u6709\u5bf9\u57300Ω\u7aef\u63a5\u7535\u963b\u7684\u5f00\u5173\u3002<\/p>\n

\n\t\u5e38\u89c1\u95ee\u9898<\/span><\/p>\n

\n\t\u7535\u6e90\u7535\u538b<\/span><\/p>\n

\n\tADG9xx\u4ea7\u54c1\u7684\u7535\u6e90\u7535\u538b\u8303\u56f4\u662f\u591a\u5c11?<\/span><\/p>\n

\n\tAD G9xx\u662f\u91c7\u7528CMOS\u5de5\u827a\u5236\u9020\u7684\u5bbd\u5e26\u5f00\u5173\uff0c\u5728\u6700\u9ad8\u81f31 GHz\u8303\u56f4\u5185\u63d0\u4f9b\u9ad8\u9694\u79bb\u5ea6\u548c\u4f4e\u63d2\u5165\u635f\u8017\u7279\u6027\u3002\u8fd9\u4e9b\u5668\u4ef6\u91c7\u75281.65 V\u81f32.75 V\u4f9b\u7535\uff0c\u4e14\u5728\u8be5\u7535\u538b\u8303\u56f4\u5177\u6709\u5b8c\u6574\u7279\u6027\u3002VDD\u7535\u6e90\u5e94\u5bf9\u5730\u5b8c\u5168\u53bb\u7978\u3002ADG9XX\u8bc4\u4f30\u677f\u7684VDD\u7ebf\u8def\u4e0a\uff0c\u4f7f\u7528\u4e862\u4e2a10μF\u8868\u8d34\u5c01\u88c5\u53bb\u7978\u62c5\u7535\u5bb9\uff0c\u5176\u4e2d\u4e00\u4e2a\u9760\u8fd1DUT\u653e\u7f6e\uff0c\u53e6\u5916\u8fd8\u5c06\u4e00\u4e2a100 pF\u9676\u74f7\u7535\u5bb9\u3002<\/p>\n

\n\t\u4e3a\u53d1\u6325\u6700\u4f73\u6027\u80fd\uff0c\u8fd9\u4e9b\u5668\u4ef6\u5e94\u5f53\u91c7\u7528\u4f55\u79cd\u7535\u6e90\u7535\u538b\u4f9b\u7535?<\/span><\/p>\n

\n\t\u4e00\u822c\u800c\u8a00\uff0cVDD\u4e0a\u7684\u7535\u6e90\u7535\u538b\u8d8a\u9ad8\uff0c\u5219\u6027\u80fd\u8d8a\u4f73\u3002\u4ece\u5404\u6570\u636e\u624b\u518c\u7684\u7279\u6027\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u7535\u6e90\u7535\u538b\u8d8a\u9ad8\uff0c\u63d2\u5165\u635f\u8017\u6027\u80fd\u4e5f\u8d8a\u5f3a\u3002\u53e6\u5916\uff0c\u7535\u6e90\u7535\u538b\u8d8a\u9ad8\uff0cIP3\u548cP1dB\u4e5f\u7565\u6709\u6539\u5584\u3002\u4f46\u65e0\u8bbaVDD\u662f1.65 V\u8fd8\u662f2.75 V ,\u9694\u79bb\u5ea6\u6027\u80fd\u7684\u53d8\u5316\u5219\u4e0d\u660e\u663e\u3002\u6cc4\u6f0f\u6027\u80fd\u548cIDD\u6027\u80fd\u5728VDD\u8f83\u4f4e\u65f6\u7565\u6709\u6539\u5584\u3002<\/p>\n

\n\t\u6570\u636e\u624b\u518c\u7684“\u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u503c”\u90e8\u5206\u663e\u793aVDD\u5bf9GND\u4e3a-0.5 V\u81f3+4 V,\u90a3\u4e48\u8fd9\u4e9b\u5668\u4ef6\u80fd\u91c7\u75283VVDD\u7535\u6e90\u4f9b\u7535\u5417?<\/p>\n

\n\t\u8fd9\u662f\u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u503c\u6761\u4ef6\uff0c\u957f\u65f6\u95f4\u5728\u7edd\u5bf9\u6700\u5927\u989d\u5b9a\u503c\u6761\u4ef6\u4e0b\u5de5\u4f5c\u4f1a\u5f71\u54cd\u5668\u4ef6\u7684\u53ef\u9760\u6027\u3002\u5728\u4f7f\u7528\u5bff\u547d\u671f\u95f4\uff0cAD G9xx\u7cfb\u5217\u7684\u4fdd\u8bc1\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u4e3a1.65 V\u81f32.75 V\uff0c\u800c\u4e14\u5176\u5b8c\u6574\u7279\u6027\u662f\u9488\u5bf9\u8be5\u7535\u6e90\u7535\u538b\u8303\u56f4\u800c\u63d0\u4f9b\u7684\u3002<\/p>\n

\n\t\u56e0\u6b64\uff0c\u8fd9\u4e9b\u5668\u4ef6\u53ef\u4ee5\u91c7\u75282.75 V\u4ee5\u4e0a\u7535\u6e90\u4f9b\u7535\uff0c\u4f46\u4f7f\u7528\u5bff\u547d\u65e0\u6cd5\u5f97\u5230\u4fdd\u8bc1\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u7535\u6e90\u7535\u538b\u8d8a\u9ad8\uff0c\u5668\u4ef6\u7684\u6027\u80fd\u8d8a\u4f73\uff0c\u4f46\u6cc4\u6f0f\u548cIDD\u8fd9\u4e24\u79cd\u4e3b\u8981\u7279\u6027\u5219\u4f1a\u7565\u5fae\u53d8\u5dee\u3002<\/p>\n

\n\t\u76f4\u6d41\u6027\u80fd<\/span><\/p>\n

\n\t\u8fd9\u4e9bRF\u5f00\u5173\u7684\u7535\u963b\u662f\u591a\u5c11?<\/span><\/p>\n

\n\t\u4fe1\u53f7\u635f\u8017\u672c\u8d28\u4e0a\u662f\u7531\u5bfc\u901a\u6761\u4ef6\u4e0b\u7684\u5f00\u5173\u7535\u963bRON\u6240\u5f15\u5165\u7684\u8870\u51cf\u51b3\u5b9a;\u4e0e\u6e90\u52a0\u8d1f\u8f7d\u7535\u963b\u4e32\u8054\u7684\u5f00\u5173\u7535\u963bRON\uff0c\u662f\u5728\u8f83\u4f4e\u7684\u5de5\u4f5c\u9891\u7387\u65f6\u6d4b\u5f97\u7684\u3002<\/p>\n

\n\t\"\u201c\u56fe1.\u5bfc\u901a\u7535\u963b\u4e0e\u6e90\u7535\u538b\u7684\u5173\u7cfb\u201d\"<\/p>\n

\u56fe1.\u5bfc\u901a\u7535\u963b\u4e0e\u6e90\u7535\u538b\u7684\u5173\u7cfb<\/span><\/p>\n

\n\tADG9xx\u7cfb\u5217\u91c7\u7528N-\u6c9f\u9053MOSFET<\/u>\u7ed3\u6784\uff0c\u8fd9\u79cd\u7ed3\u6784\u4e0e\u6807\u51c6\u5f00\u5173\u7684NMOS\u548cPMOS FET\u5e76\u8054\u7ed3\u6784\u76f8\u6bd4\uff0c\u5177\u6709\u663e\u8457\u7684\u5e26\u5bbd\u4f18\u52bf\u3002\u5e26\u5bbd\u6539\u5584\u7684\u539f\u56e0\u5728\u4e8e\u5f00\u5173\u5c3a\u5bf8\u66f4\u5c0f\uff0c\u4ee5\u53ca\u4e0d\u4f7f\u7528P-\u6c9f\u9053MOSFET\u53ef\u4ee5\u5927\u5e45\u51cf\u5c0f\u5bc4\u751f\u7535\u5bb9\u3002ADG9xx\u7684\u5bfc\u901a\u7535\u963b\u53d8\u5316\u56fe\u4e0eN-\u6c9f\u9053MOSFET\u7ed3\u6784\u7684\u9884\u671f\u5bfc\u901a\u7535\u963b\u66f2\u7ebf\u4e00\u81f4\u3002\u56fe1\u663e\u793a\u4e86\u5728\u8fd9\u4e9b\u5668\u4ef6\u4e0a\u6d4b\u5f97\u7684\u5178\u578b\u5bfc\u901a\u7535\u963bRON\u4e0e\u8f93\u5165\u4fe1\u53f7\u5173\u7cfb\u56fe\u3002<\/p>\n

\n\t\u9ad8\u5173\u65ad\u9694\u79bb\u5ea6\u662f\u5982\u4f55\u5b9e\u73b0\u7684?<\/span><\/p>\n

\n\t\u5bf9\u5bbd\u5e26\u5e94\u7528\u7684\u5f00\u5173\u8bbe\u8ba1\u4eba\u5458\u800c\u8a00\uff0c\u5f53\u4fe1\u53f7\u9891\u7387\u63d0\u9ad8\u81f3\u6570\u767eMHz\u4ee5\u4e0a\u65f6\uff0c\u5bc4\u751f\u7535\u5bb9\u5f80\u5f80\u4f1a\u5360\u636e\u4e3b\u5bfc\u5730\u4f4d\uff0c\u56e0\u6b64\u8981\u5b9e\u73b0\u5f00\u5173\u5173\u65ad\u72b6\u6001\u4e0b\u7684\u9ad8\u9694\u79bb\u5ea6\u548c\u5bfc\u901a\u72b6\u6001\u4e0b\u7684\u4f4e\u63d2\u5165\u635f\u8017\u5e76\u975e\u6613\u4e8b\u3002<\/p>\n

\n\t\"\u201c\u56fe2.\u57fa\u4e8e\u6676\u4f53\u7ba1\u7684\u5178\u578bTx\/Rx\u5f00\u5173\u201d\"<\/p>\n

\u56fe2.\u57fa\u4e8e<\/span>\u6676\u4f53\u7ba1<\/u>\u7684\u5178\u578bTx\/Rx\u5f00\u5173<\/span><\/p>\n

\n\tADG 9xx\u7cfb\u5217\u8df3\u8131\u4e86\u5e38\u89c1\u5f00\u5173\u62d3\u6251\u7ed3\u6784\u7684\u6848\u81fc\uff0c\u4e3a\u5173\u65ad(\u53ca\u5176\u76f8\u5173\u7684\u6742\u6563\u4fe1\u53f7)\u6dfb\u52a0\u4e86\u5bf9\u5730\u5206\u6d41\u8def\u5f84\uff0c\u4f7f\u5f97\u5f00\u5173\u5728\u9ad8\u9891\u65f6\u5177\u6709\u66f4\u9ad8\u7684\u5173\u65ad\u9694\u79bb\u5ea6\u3002\u56fe2\u663e\u793a\uff0cFET\u5177\u6709\u8054\u9501\u6307\u5f62\u5e03\u5c40\uff0c\u51cf\u5c0f\u4e86\u8f93\u5165(RFx)\u4e0e\u8f93\u51fa(RFC)\u4e4b\u95f4\u7684\u5bc4\u751f\u7535\u5bb9\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u9ad8\u9891\u65f6\u7684\u9694\u79bb\u5ea6\u5e76\u589e\u5f3a\u4e86\u4e32\u6270\u6291\u5236\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u5f53MN1\u5bfc\u901a\u5f62\u6210RF1\u7684\u4f20\u5bfc\u8def\u5f84\u65f6\uff0cMN2\u5173\u65ad\u4e14MN4\u5bfc\u901a\uff0c\u4ece\u800c\u6d88\u9664\u4e86RF2\u4e0a\u7684\u5bc4\u751f\u7535\u5bb9\u3002<\/p>\n

\n\t\u4e3a\u4ec0\u4e48\u5173\u65ad\u9694\u79bb\u6027\u80fd\u5728\u8f83\u4f4e\u9891\u7387\u65f6(< 1 MHz)\u4f1a\u4e0b\u964d?<\/span><\/p>\n

\n\t\u5728\u8f83\u4f4e\u9891\u7387\u65f6\uff0c\u6709\u4e24\u79cd\u673a\u5236\u4f1a\u4ea7\u751f\u91cd\u8981\u5f71\u54cd:\u4e00\u79cd\u662f\u5bc4\u751f\u4e8c\u6781\u7ba1<\/u>\u53ef\u80fd\u5448\u6b63\u504f\uff0c\u53e6\u4e00\u79cd\u662f\u5206\u6d41NMOS\u5668\u4ef6\u5728\u5e94\u5f53\u5173\u65ad\u65f6\u53ef\u80fd\u53d1\u751f\u90e8\u5206\u5bfc\u901a\u73b0\u8c61\u3002<\/p>\n

\n\t\u8fd9\u4f1a\u5f71\u54cd\u9891\u7387\u63a5\u8fd1DC\u65f6\u7684\u5173\u65ad\u9694\u79bb\u6027\u80fd\u3002\u8fd9\u4e9b\u673a\u5236\u5c06\u5728“\u529f\u7387\u5904\u7406”\u90e8\u5206\u7684\u7b2c\u4e8c\u4e2a\u95ee\u9898\u4e2d\u4e88\u4ee5\u8be6\u7ec6\u8bf4\u660e\uff0c\u56e0\u4e3a\u5b83\u4eec\u5bf9\u4f4e\u9891\u65f6\u7684\u529f\u7387\u5904\u7406\u80fd\u529b\u4e5f\u6709\u5f71\u54cd\u3002<\/p>\n

\n\t\u529f\u7387\u5904\u7406<\/span><\/p>\n

\n\t\u4ec0\u4e48\u662fdBm?<\/span><\/p>\n

\n\tdBm\u662f\u6307\u529f\u7387\u76f8\u5bf9\u4e8e50Ω\u8d1f\u8f7d\u4e0a1mW\u529f\u7387\u7684dB\u6570\u3002\u56e0\u6b64\u5bf9\u4e8e\u6b63\u5f26\u6ce2\u4fe1\u53f7\uff0c0 dBm\u529f\u7387\u6c34\u5e73\u4e3a: 224 mV\u5747\u65b9\u6839\u503c = 316 mV\u5cf0\u503c = 633 mV\u5cf0\u5cf0\u503c\u3002\u5bf9\u4e8e\u5176\u5b83\u529f\u7387\u6c34\u5e73\uff0cdBm\u8ba1\u7b97\u516c\u5f0f\u4e3a:<\/p>\n

\n\tdBm=10 x log(P\/1 mW)=10 x log[(V rms2)\/(R x 1 mW)]<\/p>\n

\n\t\u5176\u4e2d:<\/p>\n

\n\tLog\u4e3a\u4ee510\u4e3a\u5e95\u7684\u5bf9\u6570\u3002<\/p>\n

\n\tR\u4e3a50Ω.<\/p>\n

\n\t\u90a3\u4e48\u4ec0\u4e48\u662f7 dBm (5 mW)\u8f93\u5165\u4fe1\u53f7\u5462?\u5bf9\u4e8e50Ω\u8d1f\u8f7d\uff0c7 dBm\u4fe1\u53f7\u5bf9\u5e94\u4e8e0.5 V\u5747\u65b9\u6839\u4fe1\u53f7\uff0c\u62161.4 V\u5cf0\u5cf0\u503c(\u6b63\u5f26\u6ce2)\u3002\u7c7b\u4f3c\u5730\uff0c16 dBm\u5bf9\u5e94\u4e8e1.4 V\u5747\u65b9\u6839\u62164V\u5cf0\u5cf0\u503c\u3002<\/p>\n

\n\t\u3010V P-P=Vrmsx2x&radi<\/u>c;2\u3011<\/p>\n

\n\t\u8fd9\u4e9b\u5668\u4ef6\u5982\u4f55\u80fd\u5728\u65e0\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u7684\u60c5\u51b5\u4e0b\u5904\u74067 d8m\u8f93\u5165\u529f\u7387\u3001\u57280.5 V\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u7684\u60c5\u51b5\u4e0b\u5904\u740616 d8m\u8f93\u5165\u529f\u7387\uff08\u5982\u6570\u636e\u624b\u518c\u6240\u793a\uff09?<\/p>\n

\n\t\u5bf9\u4e8e7 dBm\u4ee5\u4e0a\u7684\u8f93\u5165\u4fe1\u53f7\uff0c\u5e94\u75280.5 V\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u53ef\u4ee5\u63d0\u9ad8\u6b63\u5f26\u6ce2\u7684\u6700\u4f4e\u7535\u5e73\uff0c\u9632\u6b62\u4fe1\u53f7\u8d1f\u7684\u90e8\u5206\u88ab\u524a\u6ce2\u6216\u8870\u51cf\u3002\u8f83\u5c0f\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u53ef\u4ee5\u62b5\u6d88\u8f83\u4f4e\u9891\u7387\u65f6(<100 MHz)\u5bfc\u81f4\u529f\u7387\u5904\u7406\u80fd\u529b\u964d\u4f4e\u7684\u4e24\u79cd\u6548\u5e94\u3002<\/p>\n

\n\t\"\u201c\u56fe3.NMOS\u7ed3\u6784\u201d\"<\/p>\n

\u56fe3.NMOS\u7ed3\u6784<\/span><\/p>\n

\n\tNMOS\u7684\u5185\u90e8\u7ed3\u6784\u5982\u56fe3\u6240\u793a\uff0c\u7531\u4f4d\u4e8eP\u578b\u57fa\u677f\u4e2d\u7684\u4e24\u4e2aN\u578b\u6750\u6599\u533a\u7ec4\u6210\u3002\u56e0\u6b64\uff0cN\u533a\u4e0eP\u533a\u4e4b\u95f4\u5f62\u6210\u5bc4\u751f\u4e8c\u6781\u7ba1\u3002\u5f53\u504f\u7f6eOVDC\u7684\u4ea4\u6d41\u4fe1\u53f7\u4f5c\u7528\u4e8e\u6676\u4f53\u7ba1\u7684\u6e90\u6781\uff0c\u5e76\u4e14Vcs\u5927\u5230\u8db3\u4ee5\u63a5\u901a\u6676\u4f53\u7ba1((Vcs>Vr)\u65f6\uff0c\u5bf9\u4e8e\u8f93\u5165\u6ce2\u5f62\u7684\u8d1f\u534a\u5468\u7684\u67d0\u4e00\u90e8\u5206\uff0c\u5bc4\u751f\u4e8c\u6781\u7ba1\u53ef\u80fd\u5448\u6b63\u504f\u3002\u5982\u679c\u8f93\u5165\u6b63\u5f26\u6ce2\u5f62\u4f4e\u4e8e\u7ea6\u4e000.6 V\uff0c\u4fbf\u4f1a\u53d1\u751f\u4e0a\u8ff0\u60c5\u51b5\uff0c\u5e76\u4e14\u4e8c\u6781\u7ba1\u5f00\u59cb\u63a5\u901a\uff0c\u5bfc\u81f4\u8f93\u5165\u4fe1\u53f7\u88ab\u524a\u6ce2(\u538b\u7f29)\uff0c\u5982\u56fe4\u6240\u793a\u3002\u8be5\u56fe\u663e\u793a\u4e86\u4e00\u4e2a100 MHz, 10 dBm\u8f93\u5165\u4fe1\u53f7\u53ca\u76f8\u5e94\u7684100 MHz\u8f93\u51fa\u4fe1\u53f7\u3002\u8bf7\u6ce8\u610f\uff0c\u8f93\u51fa\u4fe1\u53f7\u5df2\u88ab\u524a\u53bb\u9876\u7aef\u4e86\u3002<\/p>\n

\n\t\"\u201c\u56fe4.0V\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u65f6\u7684100\"<\/p>\n

\u56fe4.0V\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u65f6\u7684100 MHz, 10 d8m\u8f93\u4eba\u6708\u4fde\u51fa\u4fe1\u53f7<\/span><\/p>\n

\n\t\u5728\u4f4e\u9891\u65f6\uff0c\u8f93\u5165\u4fe1\u53f7\u957f\u65f6\u95f4\u4f4e\u4e8e-0.6 V\u7535\u5e73\uff0c\u8fd9\u5bf91 dB\u538b\u7f29\u70b9(P1dB)\u6709\u8f83\u5927\u5f71\u54cd\u3002\u8fd9\u5c31\u89e3\u91ca\u4e86\u5bfc\u81f4\u8f83\u4f4e\u9891\u7387\u65f6\u529f\u7387\u5904\u7406\u80fd\u529b\u964d\u4f4e\u7684\u7b2c\u4e00\u79cd\u673a\u5236\u3002<\/p>\n

\n\t\u5728\u8f83\u4f4e\u9891\u7387\u65f6\uff0c\u5982\u679c\u5206\u6d41NMOS\u5668\u4ef6\u5728\u5e94\u5f53\u5173\u65ad\u65f6\u5374\u90e8\u5206\u63a5\u901a\uff0c\u5219\u5668\u4ef6\u80fd\u5904\u7406\u7684\u529f\u7387\u4e5f\u4f1a\u8f83\u4f4e\u3002\u8fd9\u4e0e\u4e0a\u6587\u6240\u8ff0\u5bc4\u751f\u4e8c\u6781\u7ba1\u90e8\u5206\u63a5\u901a\u7684\u673a\u5236\u76f8\u4f3c\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5f53VcsVr\u7684\u60c5\u51b5\uff0c\u4ece\u800c\u90e8\u5206\u63a5\u901a\u5206\u6d41\u5668\u4ef6\u3002\u8fd9\u6837\u5c31\u4f1a\u5c06\u4e00\u90e8\u5206\u80fd\u91cf\u5206\u6d41\u81f3\u5730\uff0c\u4ece\u800c\u538b\u7f29\u8f93\u5165\u6ce2\u5f62\u3002<\/vr\u65f6\uff0cnmos\u6676\u4f53\u7ba1\u5904\u4e8e\u5173\u65ad\u72b6\u6001\u3002\u5f53\u5206\u6d41\u5668\u4ef6\u7684\u6e90\u6781\u4e0a\u6709\u4e00\u4e2a\u4ea4\u6d41\u4fe1\u53f7\u65f6\uff0c\u5728\u6ce2\u5f62\u8d1f\u534a\u5468\u7684\u67d0\u4e00\u65f6\u95f4\u4f1a\u53d1\u751fvcs><\/p>\n

\n\t\u5728\u8f93\u5165\u4fe1\u53f7\u5927\u4e8e7 dBm (\u62165 mW , 50 Ω\u7535\u963b\u4e0a\u5b58\u57281.4 V\u5cf0\u5cf0\u503c) \u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u5f00\u5173\u65f6\uff0c\u5bf9RF\u8f93\u5165\u4fe1\u53f7\u65bd\u52a0\u4e00\u4e2a\u8f83\u5c0f\u76f4\u6d41\u504f\u7f6e\u7535\u538b(\u7ea60.5 V)\u4fbf\u53ef\u514b\u670d\u4e0a\u8ff0\u4e24\u79cd\u673a\u5236\u7684\u5f71\u54cd\u3002\u5176\u539f\u7406\u662f\u901a\u8fc7\u63d0\u9ad8\u6b63\u5f26\u6ce2\u8f93\u5165\u4fe1\u53f7\u7684\u6700\u4f4e\u7535\u5e73\uff0c\u786e\u4fdd\u5bc4\u751f\u4e8c\u6781\u7ba1\u6301\u7eed\u5448\u53cd\u504f\uff0c\u5e76\u4e14\u5728\u8f93\u5165\u4fe1\u53f7\u7684\u6574\u4e2a\u5468\u671f\u5185\uff0c\u5206\u6d41\u6676\u4f53\u7ba1\u7684Vcs\u6c38\u8fdc\u4e0d\u4f1a\u5927\u4e8eVr\uff0c\u56e0\u800c\u4fdd\u6301\u5173\u65ad\u72b6\u6001\u3002\u56fe5\u663e\u793a\u4e860.5V\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u65f6100 MHz, 10 dBm\u8f93\u5165\u529f\u7387(50 Ω\u7535\u963b\u4e0a\u5b58\u5728\u7ea62V\u5cf0\u5cf0\u503c)\u7684\u8f93\u5165\u4e0e\u8f93\u51fa\u4fe1\u53f7\u56fe\u3002\u56fe\u4e2d\u6e05\u695a\u663e\u793a\u51fa\u5728100 MHz\u65f6\u4e0d\u518d\u53d1\u751f\u524a\u6ce2\u6216\u538b\u7f29\u3002<\/p>\n

\n\t\"\u201c\u56fe5.\"<\/p>\n

\u56fe5. 0.5V\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u7684100MHz\u300110dBm\u8f93\u5165\/\u8f93\u51fa\u4fe1\u53f7<\/span><\/p>\n

\n\t\u5982\u4f55\u5bf9RF\u8f93\u5165\u65bd\u52a0\u76f4\u6d41\u504f\u7f6e\u7535\u538b?<\/span><\/p>\n

\n\t\u4e3a\u5c06\u901a\u8fc7\u8f93\u5165\u7aef\u4e0a\u7684\u7aef\u63a5\u7535\u963b\u6cc4\u6f0f\u7684\u7535\u6d41<\/u>\u964d\u81f3\u6700\u4f4e\uff0c\u6700\u597d\u5c06\u504f\u7f6e\u7535\u538b\u65bd\u52a0\u5728\u8f93\u51fa(RFC)\u7aef\u4e0a\u3002\u8fd9\u662f\u6700\u4f73\u505a\u6cd5\uff0c\u5c24\u5176\u662f\u9488\u5bf9\u4f4e\u529f\u8017\u4fbf\u643a\u5f0f\u5e94\u7528\uff0c\u4f46\u5982\u679c\u4e0b\u6e38\u7535\u8def\u4e0d\u80fd\u5904\u7406\u8fd9\u79cd\u76f4\u6d41\u504f\u7f6e\u7535\u538b\uff0c\u5219\u53ef\u80fd\u9700\u8981\u5728RF\u8f93\u51fa\u7aef\u4e0a\u5e94\u7528\u9694\u76f4\u7535\u5bb9\u3002<\/p>\n

\n\t\u53ef\u4ee5\u4f7f\u7528\u9ad8\u4e8e0.5V\u7684\u76f4\u6d41\u504f\u7f6e\u7535\u538b\u5417?<\/span><\/p>\n

\n\t\u56fe1\u663e\u793a\u5bfc\u901a\u7535\u963b\u968f\u7740\u8f93\u5165\u4fe1\u53f7\u589e\u5927\u800c\u5448\u6307\u6570\u5f0f\u589e\u5927\u3002\u5b83\u8fd8\u663e\u793a\u9ad8\u4e8e0.5 V\u7684\u76f4\u6d41\u4fe1\u53f7\u4f1a\u589e\u52a0\u5f00\u5173\u4e0a\u7684\u635f\u8017\uff0c\u800c\u4e14\u7528\u6237\u5e0c\u671b\u5bfc\u901a\u7535\u963b\u5c3d\u53ef\u80fd\u5c0f\u3002\u4e0e\u6807\u51c6CMOS\u5f00\u5173\u4e00\u6837\uff0c\u4f5c\u7528\u4e8e\u5f00\u5173\u8f93\u5165\u7684\u4fe1\u53f7\u7edd\u4e0d\u80fd\u8d85\u8fc7VDD\u7535\u6e90\u7535\u538b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7b80\u4ecb ADG9xx CMOS\u5bbd\u5e26\u5f00\u5173\u4e3b\u8981\u8bbe\u8ba1\u7528\u6765\u6ee1\u8db3\u5de5\u4e1a\u3001\u79d1\u7814\u548c\u533b\u7528(ISM)\u9891\u6bb5 (900 MHz) \u4fe1\u53f7\u53d1\u5c04\u5668\u4ef6\u7684\u8981\u6c42\u3002\u8fd9\u4e9b\u5668\u4ef6\u5177\u6709\u4f4e\u63d2\u5165\u635f\u8017\u3001\u9ad8\u7aef\u53e3\u95f4\u9694\u79bb\u5ea6\u3001\u4f4e\u5931\u771f\u548c\u4f4e\u529f\u8017\u7b49\u7279\u6027\uff0c\u56e0\u800c\u662f\u8981\u6c42\u4f4e\u529f<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/1092"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1092"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/1092\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1092"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}