銆�銆�1?锛涱媱瓒╃汗鐟盋(j墨)鐨凞LIA
銆�銆�鐩墠閫氱敤鍠墖姗�(j墨)涓�鑸槸8浣嶅瀷鍠墖姗�(j墨)锛屽伐浣滈牷鐜囩偤20MHz銆傞毃钁楀柈鐗囨(j墨)鎶�琛�(sh霉)鐨勯��(j矛n)涓�姝ョ櫦(f膩)灞�锛屼篃閫愭几鍑虹従(xi脿n)浜�16浣嶅瀷鍠墖姗�(j墨)锛屽伐浣滈牷鐜囦篃閫愭几鎻愰珮鍒�100MHz銆傜敱浜庡柈鐗囨(j墨)鐨勫粔鍍�(ji脿)鍜岄枊(k膩i)鐧�(f膩)鐨勪究鍒╂�э紝浣垮柈鐗囨(j墨)灏囧唬娉涘湴鎳�(y墨ng)鐢ㄤ簬DLIA銆備絾鏄彈鍒板柈鐗囨(j墨)铏曠悊鑳藉姏鐨勯檺鍒�锛屽洜姝ょ敤鍠墖姗�(j墨)鐨凞LIA鐨勭畻娉曡閫�(j矛n)琛屽劒(y艒u)鍖�锛屼娇绠楁硶鏇村姞绨�(ji菐n)鍠�锛屾湁鏁堝苟閬╁悎鍠墖姗�(j墨)鐨勭‖浠剁壒鎬�銆�
銆�銆�鏂囩嵒(xi脿n)6鍫�(b脿o)閬撲簡鐢盌DC112鍜孉t89c82528浣嶅柈鐗囨(j墨)妲�(g貌u)鎴愮殑DLIA銆備富瑕佺洰鐨勬槸鐢ㄤ締(l谩i)娓�(c猫)寰急鐨勭珐鎱㈣畩鍖栫殑鍏変俊铏�(h脿o)锛岀敱浜庤儗鏅厜姣旇純寮�(qi谩ng)锛屽洜姝ら渶瑕丏DC112浣滅偤20浣嶇殑ADC锛屼締(l谩i)鎻愰珮鎺㈡脯(c猫)绯荤当(t菕ng)鐨勫嫊(d貌ng)鎱�(t脿i)鑼冨湇銆傝┎绯荤当(t菕ng)鐨勯噰妯ｉ牷鐜囨槸2kHz锛岄�欎富瑕佸彈DDC112鐨勯噰妯ｉ�熷害闄愬埗銆侫t89c8252闄愬埗浜嗙郴绲�(t菕ng)鐨勯亱(y霉n)绠楄兘鍔�锛岄渶瑕侀珮鏁堢殑鍎�(y艒u)鍖栫畻娉曚締(l谩i)瀹屾垚鏁�(sh霉)瀛楅帠鐩告斁澶у姛鑳�銆�
銆�銆�浣滅偤L(zh菐ng)IA棣栬瑙ｆ焙鐨勫晱(w猫n)椤屾槸濡備綍娑堥櫎浣庨牷鍣伈锛岀従(xi脿n)鍦ㄥぇ澶氶噰鐢ㄤ竴绋彨闋昏瓬鍊掔疆鐨勭畻娉�銆傞�欑ó绠楁硶涓昏鏄�氶亷(gu貌)浜ゆ浛浜ゆ彌閲囨ǎ榛�(di菐n)鐨勬璨�(f霉)铏�(h脿o)锛屽(sh铆)鐝�(xi脿n)姣旇純绨�(ji菐n)鍠�锛屼究浜庡柈鐗囨(j墨)铏曠悊銆傛枃鐛�(xi脿n)鍫�(b脿o)閬撲簡涓�绋仼鍚堜簬8浣嶅柈鐗囨(j墨)鐨勪綆閫氭烤娉㈢畻娉�锛� 閫欑ó绠楁硶鏄柈妤甸粸(di菐n)鐨�2.5Hz鐨凚utterworth浣庨�氭烤娉㈠櫒锛屾绠楁硶鐨勪富瑕佸劒(y艒u)榛�(di菐n)鏄烤娉㈠櫒鐨勭郴鏁�(sh霉)鏄�1/256鐨勫�嶆暩(sh霉)锛屽彲浠ラ�氶亷(gu貌)绨�(ji菐n)鍠殑绉讳綅鎿嶄綔鍗冲彲瀹屾垚绯绘暩(sh霉)鐨勯櫎娉曢亱(y霉n)绠�銆傚皣涓婅堪鍏╁��(g猫)绠楁硶铻嶅悎鑸囦竴璧凤紝鍗冲悓鏅�(sh铆)瀹屾垚闋昏瓬鍊掔疆鍜屼綆閫氭烤娉㈠櫒鐨勪綔鐢�锛屽叾鏁�(sh霉)瀛�(xu茅)琛ㄩ仈(d谩)寮忓涓�
銆�銆�鍦ㄥ(sh铆)鐝�(xi脿n)閬�(gu貌)绋嬩腑锛岀敱浜庨噰妯ｆ暩(sh霉)鎿�(j霉)鏄�20浣嶆暩(sh霉)鎿�(j霉)锛屼腑闁撻亱(y霉n)绠楁暩(sh霉)鎿�(j霉)瑕侀噰鐢�32浣嶆墠鑳戒繚璀夊叾绮惧害锛岄�欒鐢ㄥ洓鍊�(g猫)瀛楃瘈(ji茅)鎵嶈兘瀹屽叏琛ㄧず锛屽苟涓斿湪璁�瀵�(xi臎)瀛樺劜(ch菙)鍣ㄩ亷(gu貌)绋嬩腑涔熸瘮杓冨洶闆�锛岄�欎富瑕佷娇鐢ㄤ簡C鎴朇++涓殑鏋氳垑鏁�(sh霉)鎿�(j霉)绲�(ji茅)妲�(g貌u)渚�(l谩i)瑙ｆ焙鐨�銆傚彟澶栨枃鐛�(xi脿n)閭勫牨(b脿o)閬撲簡閫氶亷(gu貌)鏁�(sh霉)瀛楁煡琛ㄦ柟寮忎慨姝ｇ敱浜庣郴绲�(t菕ng)涓璂DC112鐨勫叐鍊�(g猫)涓嶅尮閰嶇⿳鍒嗛浕瀹规墍甯朵締(l谩i)鐨勮宸甗5]锛屽緸鑰屼繚璀変簡绯荤当(t菕ng)鐨勫嫊(d貌ng)鎱�(t脿i)鑼冨湇锛屾彁楂樹簡绯荤当(t菕ng)鎬ц兘銆�
銆�銆�閫欐ǎ绨�(ji菐n)鍠殑绯荤当(t菕ng)涔嬫墍浠ヨ兘鍙栧緱杓冨ソ鐨勬�ц兘锛屼富瑕佺敤浜嗗劒(y艒u)鍖栫殑绠楁硶鍜岄�氶亷(gu貌)鏁�(sh霉)瀛楁煡琛ㄦ柟寮忓緱鍒拌В姹�銆備絾鏄┎绯荤当(t菕ng)鐢变簬鍠墖姗�(j墨)杓冨樊鐨勮檿鐞嗚兘浜嗗拰杓冩參鐨勯亱(y霉n)琛岄�熷害锛屼娇瑭茬郴绲�(t菕ng)鍙兘鎳�(y墨ng)鐢ㄤ簬浣庨牷淇¤櫉(h脿o)妾㈡脯(c猫)涓�銆�
銆�銆�2銆傚熀浜庡皥鐢―SP鐨凞LIA
銆�銆�鑷緸灏堢敤DSP瑾曠敓浠ヤ締(l谩i)锛屼娇淇¤櫉(h脿o)鐨勬暩(sh霉)瀛楀(sh铆)鏅�(sh铆)铏曠悊鎴愮偤鍙兘銆傞�欎富瑕佸緱鐩婁簬DSP涓殑涔樺姞姹傚拰鐨勫揩閫熼亱(y霉n)绠楀姛鑳�锛屼娇寰�(f霉)闆滅殑绠楁硶鑳藉湪骞惧��(g猫)鎸囦护鍛ㄦ湡鍏�(n猫i)瀹屾垚銆侱LIA鐨勭浉闂�(gu膩n)閬�(y霉n)绠楀拰鏁�(sh霉)瀛楁烤娉㈢畻娉曟鏄疍SP鐨勫劒(y艒u)鍕�(sh矛)鎵�鍦�銆傛枃鐛�(xi脿n)鍫�(b脿o)閬撲簡浠T&T鐨凞SP32C锛孴I鐨凾MS320C30鍜孴MS320C6xEVM, 鍙奙OTORALA鐨凞SP56002EVM浣滅偤DSP鐨凞LIA銆傞�欏咕绋甃IA鏍规摎(j霉)瀵�(sh铆)闅涢渶瑕佸拰ADC鑸嘍AC杞�(zhu菐n)鎻涢�熷害鐨勯檺鍒讹紝宸ヤ綔闋荤巼鍦ㄥ咕Hz鍒板咕鍗乲Hz鐨勪綆涓牷鑼冨湇鍏�(n猫i)锛屽鏋滈噰鐢ㄩ珮閫熺殑ADC銆丏AC鍣ㄤ欢鍜岄珮閫熺殑DSP铏曠悊鍣ㄥ苟閲囩敤骞惰鍒嗗竷寮忚ō(sh猫)瑷�(j矛)鏂规硶锛屽伐浣滃湪MHz鐨凞LIA涔熸槸涓嶉洠瀵�(sh铆)鐝�(xi脿n)鐨�銆備笅闈㈠皣钁楅噸浠嬬垂鍩轰簬涓婅堪纭欢绲�(ji茅)妲�(g貌u)鐨凞LIA鎵�闇�瑕佺殑鍩烘湰甯哥敤绠楁硶銆�
銆�銆�涓�鑸珼LIA鎵�鍏辨湁鐨勯洐閫氶亾姝ｄ氦鐩搁棞(gu膩n)绠楁硶锛岄�欑ó绠楁硶鐨勫熀鏈�濇兂婧愪簬姝ｄ氦鐭㈤噺ALIA锛屼絾鍙堟湁涓嶅悓銆傚弮鑰冧俊铏�(h脿o)鐨勫叐鍊�(g猫)姝ｄ氦鍒嗛噺鏄牴鎿�(j霉)鍏�(n猫i)瑙哥櫦(f膩)鎴栧瑙哥櫦(f膩)鍙冭�冧俊铏�(h脿o)鐨勯牷鐜囧拰鐩镐綅锛岄�氶亷(gu貌)DSP 鐨勫収(n猫i)閮ㄦ煡琛ㄦ柟寮忚�岀敘(ch菐n)鐢熺殑銆傚洜姝ら�欏叐鍊�(g猫)姝ｄ氦淇¤櫉(h脿o)涓嶆渻(hu矛)鍥�?y脿n)闁�?n猫i)閮ㄨЦ鐧�(f膩)淇¤櫉(h脿o)鍜屽閮ㄨЦ鐧�(f膩)淇¤櫉(h脿o)鐨勫舰寮忥紙鍗虫銆佷綑寮�锛屾柟娉㈡垨涓夎娉㈠弮鑰冧俊铏�(h脿o)锛夎�屾敼璁娿�傚洜姝よ兘娑堥櫎鐢变簬鍙冭�冧俊铏�(h脿o)鏄叾瀹冨舰寮忚�岄�犳垚鐨勮娉㈠垎閲忕殑骞叉摼銆傚湪鍏�(n猫i)瑙哥櫦(f膩)妯″紡涓�锛岄噰鐢―AC鍜孉DC鐨勭浉鍚岀殑閲囨ǎ闋荤巼锛岃兘浣块噰妯ｅ緱鍒扮殑琚脯(c猫)淇¤櫉(h脿o)鍜屽弮鑰冧俊铏�(h脿o)鍦ㄧ浉鍚岄噰妯ｉ粸(di菐n)涓婄殑鐩镐綅宸亽瀹�锛屽緸鑰屾秷闄や簡鐢变簬鐩镐綅宸笉鎭掑畾鑰岄�犳垚鐨勫共鎿�銆傜浉鍚岄噰妯ｆ檪(sh铆)鍒荤殑閲囨ǎ鏁�(sh霉)鎿�(j霉)鍒嗗垾鑸囨浜ょ殑鍏╁��(g猫)鍙冭�冧俊铏�(h脿o)鍦―SP涓�氶亷(gu貌)鐩镐箻閬�(y霉n)绠楀氨鍙互瀹屾垚鐩搁棞(gu膩n)绠楁硶銆傜偤浜嗛檷浣庣敱浜庨噰妯ｅ拰閲忓寲寮曞叆鐨勫悇绋浉浣嶅櫔鑱�锛岄倓闇�瑕佷娇閲囨ǎ闋荤巼瑷�(sh猫)缃偤鍙冭�冧俊铏�(h脿o)闋荤巼鐨勬暣鏁�(sh霉)鍊嶏紝婊胯冻閲囨ǎ瀹氱悊骞惰灏�(du矛)琚脯(c猫)淇¤櫉(h脿o)閫�(j矛n)琛屾姉娣风枈婵炬尝銆�
銆�銆�3銆傚熀浜嶱C鐨勭郴绲�(t菕ng)绱�(j铆)妯″鍖朌LIA
銆�銆�鍩轰簬PC鐨凞LIA鐨勭‖浠舵灦妲�(g貌u)鏈夊叐绋ā寮忥細涓�绋槸鐢ㄦ(bi膩o)婧�(zh菙n)绺界窔鍙婃(bi膩o)婧�(zh菙n)姗�(j墨)绠辩殑纭欢瑷�(sh猫)瑷�(j矛)锛屽閲囩敤涓�绋�氱敤鐨刅ME-bus鏁�(sh霉)鎿�(j霉)绺界窔鍜�3U, 5VME鏉跨殑6鎻掓Ы妯�(bi膩o)婧�(zh菙n)姗�(j墨)绠辩祼(ji茅)妲�(g貌u)锛岄�欑ó绲�(ji茅)妲�(g貌u)鐨勫劒(y艒u)榛�(di菐n)鍦ㄤ簬鑳藉皣DLIA闆嗘垚浜庝竴鍊�(g猫)寰�(f霉)闆滅殑鏁�(sh霉)瀛楃郴绲�(t菕ng)涓�锛屽悓鏅�(sh铆)涔熷彲浠ラ�氶亷(gu貌)閲囩敤灏堢敤鏁�(sh霉)鎿�(j霉)閲囬泦鍗″拰鏁�(sh霉)鎿�(j霉)铏曠悊鍗′締(l谩i)鎻愰珮DLIA鐨勬�ц兘锛涚浜岀ó鏄敤閫氱敤鏁�(sh霉)鎿�(j霉)绺界窔鐨勮ō(sh猫)鍌欑礆(j铆)纭欢绲�(ji茅)妲�(g貌u)锛岄�欑ó绲�(ji茅)妲�(g貌u)涓昏鏄敤浜庨泦鎴愬悇绋皥鐢ㄦ暩(sh霉)瀛楄ō(sh猫)鍌�锛屽鐢盚P3325A 淇¤櫉(h脿o)婧�, HP318瑷�(j矛)绠楁(j墨), KEITHLEY705鎺冩弿鍣ㄥ拰KEITHLEY194鏁�(sh霉)瀛楅噰闆嗗櫒鎴朒P3561A鏁�(sh霉)瀛楀垎鏋愬剙閫氶亷(gu貌)IEEE-488绺界窔閫ｆ帴鑰屾垚鐨凞LIA绯荤当(t菕ng)銆傞�欏叐绋兘鏄枊(k膩i)鏀惧紡绲�(ji茅)妲�(g貌u)锛屾槗浜庣郴绲�(t菕ng)鍗囩礆(j铆)锛屾ā濉婄殑楂樻�ц兘鎸囨(bi膩o)鏈�(hu矛)浣緿LIA绯荤当(t菕ng)鐨勬�ц兘鏇村挤(qi谩ng)锛岄牷甯惰寖鍦嶈兘寰濪C鍒板咕鐧綧(f猫i)Hz锛岀敋鑷冲彲浠ュ埌GHz銆傞�欎簺鍎�(y艒u)鍕�(sh矛)浣垮緱ALIA鏈涘〉鑾強銆�
