jinlaiyushidiliaotian
，tamenzaiwulianwangwuxianxieyizhanhexinpiandezhegexingyeshengenglehenjiu。faxiandangzhenggewuxianzhekuaigaodekeyideshihou，zhenzhengdewentishizaigonghaodekongzhi
，wulunshiwuxianxinpianzheyicenghaishihezhegewuxianwulianxiangguandechuanganqi
，都集中在功耗問題，這也印證了數日前去儀器儀表展所感覺到的目前好的傳感器還真少
，這也是為什麼整個物聯網發展不起來的關鍵因素之一。

　　wulunshimuqiandeguoneichuanganqixingyeqianbeikunlunhaiandemingdaidoulaoyezihaishixinshengdai，sihudouhenkunhuo

，zheyangyigeyangyangdaguoqueyuelaiyueshaoyoujigexiangyangdegaochuanganqiyanfadeqiye，yizhiyudaqiyekanbuqizheleixiaoxiangmu，xiaoqiyemeiyouganzhexingyedenengli，baokuocaiyongguowaiminganyuanjianfengzhuangchengbiansongqizheleideshiqing，guoneiyemeiyoujigezuodehaode，yizhiyuzhegexingyesihudouchengleguowaihaodedaimingci。

　　退一步說
，我們沒有能力去搞好那些MEMS傳感器基ji礎chu元yuan件jian研yan發fa
，沒mei有you能neng力li去qu搞gao一yi些xie新xin型xing傳chuan感gan器qi材cai料liao研yan發fa，那na至zhi少shao在zai應ying用yong層ceng次ci上shang我wo們men總zong能neng用yong這zhe些xie已yi有you的de敏min感gan元yuan件jian造zao出chu像xiang樣yang的de傳chuan感gan器qi或huo變bian送song器qi產chan品pin
，可ke以yi和he老lao外wai的de產chan品pin拚pin拚pin吧ba
，結jie果guo還hai是shi令ling人ren失shi望wang。以yi至zhi於yu師shi弟di這zhe個ge無wu線xian網wang絡luo想xiang買mai個ge高gao點dian精jing度du級ji變bian送song器qi或huo調tiao理li模mo塊kuai嫁jia接jie到dao他ta的de無wu線xian網wang絡luo中zhong忽hu然ran發fa現xian，能neng夠gou拿na到dao的de依yi然ran還hai是shi正zheng負fu十shi幾ji伏fu甚shen至zhi二er十shi幾ji伏fu直zhi流liu供gong電dian的de傳chuan感gan器qi產chan品pin，一yi看kan功gong耗hao下xia了le一yi跳tiao，甚shen至zhi幾ji十shi毫hao安an，壓ya根gen也ye沒mei法fa用yong在zai自zi己ji這zhe個ge無wu線xian低di功gong耗hao網wang絡luo上shang
，他ta的de用yong兩liang節jie電dian池chi可ke以yi工gong作zuo幾ji年nian的de想xiang法fa於yu是shi也ye徹che底di泡pao湯tang了le。

　　經jing過guo這zhe幾ji日ri的de觀guan察cha思si考kao，功gong耗hao看kan來lai真zhen的de是shi未wei來lai無wu線xian物wu連lian傳chuan感gan器qi網wang絡luo中zhong的de關guan鍵jian問wen題ti
，這zhe回hui不bu是shi無wu線xian芯xin片pian耗hao多duo少shao的de問wen題ti，而er恰qia恰qia是shi我wo們men傳chuan感gan器qi信xin號hao調tiao理li電dian路lu的de功gong耗hao問wen題ti，這zhe個ge問wen題ti很hen多duo人ren不bu以yi為wei然ran，認ren為wei有you低di功gong耗hao芯xin片pian就jiu可ke以yi
，有you三san點dian問wen題ti我wo目mu前qian必bi須xu麵mian對dui：

　　yishichuantongdechuanganqibiansonghuoxinhaotiaolidianludeshejijingyandoushiyoushangyidailaojiahuosuozhudaosheji

，jiuxiangminglaoyezitamennadai，zhelimeiyoufoudinglaoyetamennadaideyisi

，fanerhenpeifutamenyongdeqijianmeiyoujintiandegaoxingnengquenengchunamehaodezhibiao。tamennadaikeyiyongzhengfushierfudeyunfangdajianchuxingnenghenhaodexinhaotiaolidianlu，xingnengzhenhenhao
，tamensuoshejidedongxiyedoushiyidianyadianliuchuanshuweizhu，zhenggeshejigongnengdechufadianhexiangguanxingyedezhishidefazhan
，juedingletamennayidaibuhuizaiduanqineiquduchuanggechuanshubiaozhun。erqiehenduochuanganqibiansongqixingyededouchengxianzhepiliangxiaopinzhongduodexianxiang，zhiyaonenggouyongdehaomeirenqukaolvxindegonghaobiaozhunwenti，youqishizaiguoneizhezhongzhuangtaixiameirenyuanyiqutouzigaozhejishihaoanerqiemaofengxianwan

，suoyi OP07，LM224,TL062……一直在延續著，沒人願意改。

　　二(er)是(shi)新(xin)生(sheng)代(dai)的(de)主(zhu)力(li)設(she)計(ji)師(shi)目(mu)前(qian)集(ji)中(zhong)在(zai)三(san)十(shi)歲(sui)以(yi)內(nei)能(neng)幹(gan)活(huo)的(de)這(zhe)批(pi)
，在(zai)他(ta)們(men)當(dang)中(zhong)很(hen)少(shao)能(neng)夠(gou)有(you)能(neng)力(li)把(ba)原(yuan)來(lai)明(ming)老(lao)爺(ye)子(zi)那(na)代(dai)的(de)設(she)計(ji)經(jing)驗(yan)，直(zhi)接(jie)轉(zhuan)化(hua)到(dao)目(mu)前(qian)以(yi)低(di)電(dian)壓(ya)低(di)功(gong)耗(hao)MOS型運放的應用上來
，這直接導致很多原來優秀的傳感器變送器設計經驗和低功耗掛不上邊。一個不爭的事實就是很多孩子還在和我說ADI還有TI的好多8個腳的MOS低功耗雙運放沒有信號地的笑話，更難的難點在於很多人沒有認識到從正負十二伏類的供電運放到3.3Vdandianyuanyunfangdeyingyongzhuanbianguochengzhong，ruhekongzhizaoyinpiaoyizengyidengyinsudezhengtipingheng
，zaizhezhongtiaojianxiadangranyebuhuiyoushenmegenghaodeyingyongjielun。zhezhinengguaiwomendaduoshushangxueshimonidianlulaoshibenshenyemeiyouzhefangmiandeshijianjingli，dangranyebuhuijixuchuanchengshangyidaideyouliangchuantong
，gengbietigaogeyushijujin。

　　三是具備高精度AD低(di)功(gong)耗(hao)的(de)單(dan)片(pian)機(ji)和(he)嵌(qian)入(ru)處(chu)理(li)器(qi)是(shi)年(nian)輕(qing)一(yi)代(dai)的(de)機(ji)會(hui)
，僅(jin)以(yi)傳(chuan)感(gan)器(qi)調(tiao)理(li)部(bu)分(fen)濾(lv)波(bo)器(qi)設(she)計(ji)為(wei)例(li)
，數(shu)字(zi)化(hua)的(de)設(she)計(ji)思(si)想(xiang)主(zhu)導(dao)這(zhe)一(yi)代(dai)年(nian)輕(qing)人(ren)的(de)設(she)計(ji)，大(da)家(jia)都(dou)在(zai)拚(pin)AD精度和AD采cai樣yang速su度du來lai解jie決jue傳chuan感gan器qi信xin號hao處chu理li和he變bian送song領ling域yu裏li的de問wen題ti，以yi至zhi於yu很hen少shao有you人ren願yuan用yong片pian外wai的de低di功gong耗hao運yun放fang搭da個ge模mo擬ni濾lv波bo器qi
，都dou想xiang用yong單dan片pian機ji或huo嵌qian入ru處chu理li器qi內nei部bu的de軟ruan件jian算suan法fa諸zhu如ruFIR，FFT來完成更好的濾波
，甚至直接用高位數△-∑去解決分辨率等問題，這從本質講是沒有錯的。

　　實際也應該想想就算這個算法生效了

，以單片機的運算速度完成這類工作所需要的處理時間也不短，這期間的功耗想來也是禿頭上虱子----明(ming)擺(bai)的(de)，想(xiang)談(tan)真(zhen)正(zheng)的(de)低(di)功(gong)耗(hao)也(ye)難(nan)，另(ling)外(wai)想(xiang)借(jie)此(ci)達(da)到(dao)真(zhen)正(zheng)的(de)信(xin)噪(zao)比(bi)也(ye)不(bu)一(yi)定(ding)有(you)戲(xi)。反(fan)過(guo)來(lai)說(shuo)就(jiu)是(shi)前(qian)端(duan)真(zhen)的(de)敢(gan)用(yong)低(di)功(gong)耗(hao)運(yun)放(fang)搭(da)出(chu)模(mo)擬(ni)類(lei)的(de)濾(lv)波(bo)器(qi)，同(tong)樣(yang)也(ye)要(yao)正(zheng)視(shi)諸(zhu)如(ru)過(guo)度(du)過(guo)程(cheng)中(zhong)振(zhen)蕩(dang)抖(dou)動(dong)這(zhe)類(lei)問(wen)題(ti)對(dui)於(yu)采(cai)樣(yang)時(shi)間(jian)點(dian)數(shu)延(yan)長(chang)造(zao)成(cheng)的(de)功(gong)耗(hao)影(ying)響(xiang)，這(zhe)也(ye)要(yao)看(kan)你(ni)運(yun)放(fang)運(yun)用(yong)的(de)功(gong)底(di)有(you)多(duo)深(shen)。實(shi)際(ji)上(shang)誰(shui)都(dou)沒(mei)法(fa)否(fou)則(ze)這(zhe)類(lei)電(dian)路(lu)的(de)低(di)功(gong)耗(hao)設(she)計(ji)一(yi)個(ge)核(he)心(xin)思(si)想(xiang)是(shi)在(zai)數(shu)字(zi)低(di)功(gong)耗(hao)和(he)模(mo)擬(ni)低(di)功(gong)耗(hao)的(de)和(he)諧(xie)統(tong)一(yi)，讓(rang)少(shao)有(you)剛(gang)用(yong)在(zai)刀(dao)刃(ren)上(shang)
，希(xi)望(wang)奇(qi)跡(ji)在(zai)將(jiang)來(lai)發(fa)生(sheng)在(zai)目(mu)前(qian)能(neng)幹(gan)活(huo)的(de)這(zhe)一(yi)代(dai)。

　　熱(re)點(dian)歸(gui)熱(re)點(dian)，如(ru)果(guo)沒(mei)有(you)年(nian)輕(qing)一(yi)代(dai)繼(ji)續(xu)加(jia)入(ru)到(dao)主(zhu)流(liu)的(de)設(she)計(ji)思(si)想(xiang)中(zhong)延(yan)續(xu)傳(chuan)感(gan)器(qi)設(she)計(ji)的(de)這(zhe)行(xing)裏(li)
，我(wo)們(men)可(ke)能(neng)看(kan)到(dao)的(de)越(yue)來(lai)越(yue)多(duo)的(de)失(shi)望(wang)
，需(xu)要(yao)真(zhen)實(shi)的(de)前(qian)撲(pu)後(hou)繼(ji)。