Page 6 - Demo

4 www.edntaiwan.comCOMMENT%u4f5c%u8005%uff1aBill Schweber%uff0cEE Times/EDN/Planet Analog%u8cc7%u6df1%u6280%u8853%u7de8%u8f2f%u6c7d%u8eca%u5929%u7dda%u9769%u547d%uff1a%u5275%u65b0%u7a81%u7834%u300c%u5929%u7dda%u8fb2%u5834%u300d%u56f0%u5883 EDN%u8a55%u8ad6%u6c7d%u8eca%u7684%u7121%u7dda%u6280%u8853%u6b63%u5728%u5feb%u901f%u767c%u5c55%uff0c%u7121%u8ad6%u662f%u5c0e%u822a%u3001%u901a%u8a0a%u9084%u662f%u96f7%u9054%uff0c%u73fe%u4ee3%u6c7d%u8eca%u90fd%u9700%u8981%u5bb9%u7d0d%u591a%u7a2e%u5929%u7dda%u4f86%u652f%u63f4%u4e0d%u540c%u983b%u6bb5%u3002%u7136%u800c%uff0c%u50b3%u7d71%u5929%u7dda%u8a2d%u8a08%u7684%u9650%u5236%u9762%u81e8%u8d8a%u4f86%u8d8a%u591a%u7684%u6311%u6230%uff0c%u5982%u4f55%u900f%u904e%u9bca%u9b5a%u9c2d%u3001%u667a%u6167%u6574%u5408%u5929%u7dda%u7b49%u5275%u65b0%u8a2d%u8a08%u89e3%u6c7a%u56f0%u5883%uff0c%u907f%u514d%u8eca%u8f1b%u8b8a%u6210%u300c%u5929%u7dda%u8fb2%u5834%u300d%uff0c%u6210%u70ba%u8a2d%u8a08%u8005%u95dc%u6ce8%u7684%u7126%u9ede%u20261930%u5e74%u4ee3%u521d%uff0c%u6536%u97f3%u6a5f%u9996%u5ea6%u88ab%u5c0e%u5165%u65bc%u6c7d%u8eca(%u9019%u5f97%u611f%u8b1dMotorola)%uff0c%u7576%u6642%u5b83%u5011%u9084%u53ea%u662f%u57fa%u672c%u7684AM%u983b%u6bb5%u55ae%u5143%u3002%u5176%u4f9b%u96fb%u4f86%u81ea6V%u7684%u6c7d%u8eca%u96fb%u6c60(12V%u4e00%u76f4%u52301950%u5e74%u4ee3%u521d%u624d%u6210%u70ba%u6a19%u6e96)%uff0c%u800c%u9019%u9069%u5ea6%u7684%u76f4%u6d41(DC)%u96fb%u58d3%u5247%u900f%u904e%u771f%u7a7a%u7ba1%u88ab%u5347%u58d3%u8f49%u63db%u70ba%u6240%u9700%u7684%u967d%u6975%u96fb%u58d3%u3002%u9019%u4e00%u904e%u7a0b%u5148%u662f%u5229%u7528%u632f%u76ea%u5668%u5c07DC%u96fb%u58d3%u8f49%u63db%u70ba%u65b9%u6ce2%uff0c%u518d%u7d93%u7531%u8b8a%u58d3%u5668%u5347%u58d3%uff0c%u6700%u5f8c%u900f%u904e%u5c08%u7528%u7684%u6574%u6d41%u7ba1%u9032%u884c%u6574%u6d41%u3002%u96d6%u7136%u9019%u7a2e%u65b9%u5f0f%u5be6%u65bd%u8d77%u4f86%u76f8%u7576%u8907%u96dc%uff0c%u4f46%u6709%u4e00%u500b%u65b9%u9762%u537b%u4e26%u4e0d%u56f0%u96e3%uff1a%u5929%u7dda%u3002%u5c0d%u65bc%u53ea%u63a5%u6536AM%u8a0a%u865f%u7684%u6536%u97f3%u6a5f(%u983b%u7387%u8986%u84cb%u7bc4%u570d%u7d04550%u52301600kHz)%uff0c%u6240%u9700%u7684%u50c5%u662f%u4e00%u6839%u57fa%u672c%u76841/4%u6ce2%u9577%u97ad%u72c0%u5929%u7dda%u2014%u2014%u6b63%u5f0f%u540d%u7a31%u70ba%u55ae%u6975%u5929%u7dda(monopole)%uff0c%u4e26%u5229%u7528%u6c7d%u8eca%u7684%u91d1%u5c6c%u8eca%u8eab%u4f5c%u70ba%u63a5%u5730%u5e73%u9762%u3002%u9019 %u7a2e %u8a2d %u8a08 %u904b %u884c %u5f97 %u76f8 %u7576 %u4e0d %u932f%uff0c%u6210%u672c%u4f4e%u5ec9%uff0c%u53ea%u9700%u8981%u4e00%u6839%u55ae%u4e00%u7684%u5c04%u983b%u57161%uff1a%u7f8e%u597d%u7684%u6642%u5149%u65e9%u5df2%u4e00%u53bb%u4e0d%u5fa9%u8fd4%u4e86%uff0c%u7576%u6642%u53ea%u9700%u5728%u8eca%u8eab%u4e0a%u5b89%u88dd%u4e00%u6839%u7c21%u55ae%u7684%u97ad%u72c0(%u55ae%u6975)%u5929%u7dda%uff0c%u5c31%u80fd%u6eff%u8db3AM%u6536%u97f3%u6a5f%u7684%u6240%u6709%u9023%u63a5%u9700%u6c42%u3002 (%u4f86%u6e90%uff1aUnsplash%u3001Wikipedia) %u57162%uff1a%u9019%u7a2eDIY%u7684%u591a%u983b%u6bb5%u3001%u591a%u5929%u7dda%u65b9%u6cd5%u986f%u7136%u4e26%u975e%u91dd%u5c0d%u5927%u773e%u5e02%u5834%u7684%u89e3%u6c7a%u65b9%u6848%u3002 (%u4f86%u6e90%uff1aFront Seat Driver/U.K.)(RF)%u5c0e%u7dda%uff1b%u5373%u4f7f%u5929%u7dda%u610f%u5916%u65b7%u88c2%u6216%u640d%u58de%uff0c%u4e5f%u5f88%u5bb9%u6613%u66f4%u63db%u3002%u5929%u7dda%u901a%u5e38%u5b89%u88dd%u5728%u64cb%u98a8%u73bb%u7483%u9644%u8fd1%uff0c%u6709%u6642%u4e5f%u5b89%u88dd%u5728%u8eca%u9ad4%u908a%u7de3%u3001%u8eca%u9580%u3001%u884c%u674e%u7bb1%u6216%u5f8c%u4fdd%u96aa%u687f%u908a%u7de3(%u57161)%u3002%u7576 %u7136%uff0cA M %u96fb%u53f0 %u4e00 %u5ea6 %u8db3 %u5920%u4e86%uff0c%u4f46%u96a8%u8457%u6642%u9593%u63a8%u79fb%u8b93%u9700%u6c42%u4e5f%u767c%u751f%u8b8a%u5316%u3002%u52301960%u5e74%u4ee3%uff0c%u6c7d%u8eca%u5df2%u914d%u5099FM%u7121%u7dda%u96fb%u53f0%uff0c%u6709%u4e9b%u751a%u81f3%u589e%u52a0%u4e86%u6c11%u7528%u6ce2%u6bb5(Citizen%u2019s Band%uff1bCB)%u96d9%u5411%u7121%u7dda%u96fb%uff0c%u751a%u81f3%u9084%u6709%u696d%u9918%u7121%u7dda%u96fb%u611b%u597d%u8005%u5e0c%u671b%u5728%u6c7d%u8eca%u4e2d%u4f7f%u7528%u79fb%u52d5%u901a%u8a0a%u3002%u96a8%u8457%u5929%u7dda%u6578%u91cf%u7684%u589e%u52a0%uff0c%u60c5%u6cc1%u8b8a%u5f97%u66f4%u70ba%u8907%u96dc%uff0c%u751a