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    鐪炬墍鍛ㄧ煡锛岀洰鍓�0.5渭m绱氱殑鍗婂皫(d菐o)楂斿伐钘濆凡鏄�杓冩櫘閫氱殑鎶�琛�(sh霉)锛岃┎灏哄�哥殑IDT闆绘サ姊濆��鑳藉埗浣滃嚭绱�1500MHz鐨凷AW婵炬尝鍣ㄣ�傚埄鐢�0.35渭m绱氱殑鍏夊埢宸ヨ棟锛岃兘鍒朵綔鍑�2GHz鐨勫櫒浠�銆傚�熷姪浜�0.2渭m绱氱殑绮剧窗(x矛)鍔犲伐鎶�琛�(sh霉)锛�2.5GHz鐨凷AW鍣ㄤ欢鏃╁凡瀵�(sh铆)鐝�(xi脿n)澶ф壒閲忕敓鐢�(ch菐n)锛�3GHz鐨勫櫒浠堕枊濮嬮��(j矛n)鍏ュ��(sh铆)鐢ㄥ寲銆�

    锛�2锛夊井鍨嬪寲銆佺墖寮忓寲銆佺祫鍚堝寲SAW鍣ㄤ欢寰�鍨嬪��銆佺墖寮忓寲鍜岃紩渚垮寲锛屾槸绉诲嫊閫氫俊鐢�(ch菐n)鍝佹彁鍑虹殑鍩烘湰瑕佹眰銆係AW鍣ㄤ欢鐨処DT闆绘サ姊濆��閫氬父鏄�鎸夌収SAW娉㈤暦鐨�1/4渚嗛��(j矛n)琛岃ō(sh猫)瑷�(j矛)鐨�銆傚皪浜庡伐浣滃湪1GHz涓嬬殑鍣ㄤ欢锛岃嫢瑷�(sh猫)SAW鐨勫偝鎾�閫熷害鏄�4000m/s锛屾尝闀峰墖鍍呯偤4渭m锛�1/4娉㈤暦鏄�1渭m锛夛紝鍦�0.4mm鐨勮窛闆�涓�鑳藉�犲�圭磵100姊�1渭m瀵�鐨勯浕妤�銆傛晠SAW鍣ㄤ欢鑺�鐗囧彲浠ュ仛寰楅潪甯稿��锛屼究浜庡��(sh铆)鐝�(xi脿n)瓒呭皬鍨嬪寲銆�

    鐐虹府灏廠AW鍣ㄤ欢鐨勯珨绌嶏紝鍦ㄥ叾灏佽�濆瀷寮忎笂宸茬敱鍌崇��(t菕ng)鐨勫湏褰㈤噾灞�娈煎皝瑁濇敼鐐烘柟褰㈡垨闀锋柟褰㈡墎骞抽噾灞�鎴朙CC琛ㄩ潰璨艰�濇�惧紡锛屽苟涓斿昂瀵镐笉鏂风府灏�銆係AW婵炬尝鍣ㄥ昂瀵镐笉鏂风府灏忕殑瀵�(sh铆)鐗╁皪姣�銆�

    1998骞达紝鏃ユ湰瀵屽＋閫氬叕鍙告帹鍑虹殑SAW婵炬尝鍣�锛屽昂瀵稿儏鐐�2.5mm脳2.0mm脳1.2mm銆�

    灏囦笉鍚屽姛鑳界殑SAW鍣ㄤ欢灏佽�濆湪涓�璧风殑绲勫悎鍨嬪櫒浠�锛屽悓妯ｆ槸娓涘皬PCB闈㈢�嶇殑涓�鍊嬮�斿緫銆備緥濡�锛岀敤浜�800MHz PDC绲傜��鐨勬帴鏀禨AW婵炬尝鍣�锛屽氨鍏�(n猫i)瑁濆叐鍊嬫烤娉㈠櫒锛屽叾涓�涓�鍊嬫槸810锝�830MHz浣庨牷鎺ユ敹甯舵烤娉㈠櫒锛屽彟涓�鍊嬫槸870锝�885MHz楂橀牷甯舵烤娉㈠櫒锛屽昂瀵哥偤3mm脳3mm锛涘啀濡傞亱(y霉n)琛屼簬1.9GHz PCS绲傜��60MHz甯跺��鐨勯洐闋绘�垫烤娉㈠��锛屼篃鏄�绲勫悎鍨嬬殑鍣ㄤ��銆傚叾涓�涓�鍊嬮牷娈电偤1850锝�1885MHz(35MHz)锛屽彟涓�鍊嬮牷娈靛墖鐐�1885锝�1910MHz(25MHz)銆傞�欑ó绲勫悎鍨嬪櫒浠讹紝鑳芥彁渚�3dB鐨勬彃鍏ユ悕鑰楀拰45dB鐨勫付澶栬“娓�銆傚瘜澹�閫氬叕鍙搁枊鐧�(f膩)鐨勮兘鏀�鎸佹ā鎿�鍜屾暩(sh霉)瀛楀叐绋�妯″紡锛堝嵆闆欏付寮忥級绉诲嫊闆昏┍鎵嬫��(j墨)鐢⊿AW婵炬尝鍣�锛屽悓妯ｆ槸绲勫悎鍨嬪櫒浠�銆�

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    锛�4锛夊��甯跺寲绉诲嫊閫氫俊绯荤当(t菕ng)鐨勬洿鏂�?li谩n)Q浠�锛岃�佹眰SAW婵炬尝鍣ㄥ��甯跺寲銆傜敤浜嶢MPS妯℃摤铚傜�╅浕瑭辩殑浠�IF婵炬尝鍣ㄩ�氶牷甯跺��鍍呯偤30kHz锛岃�岀敤浜庣編鍦婭S-95瑕�(gu墨)鏍糃DMA鏂瑰紡鐨勪究鏀滈浕瑭变腑绗�涓変唬鍣ㄤ欢鐨勯�氶牷甯跺��閬�(d谩)1MHz浠ヤ笂銆傜偤浣縎AW婵炬尝鍣ㄥ��(sh铆)鐝�(xi脿n)瀵�甯跺寲鍜屼綆鎼嶈�楀寲锛屽繀闋堝湪IDT闆绘サ绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷�(j矛)涓婁笉鏂峰壍(chu脿ng)鏂�銆�

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    锛�5锛夋彁鍗囪�愰浕鍔涚壒鎬у湪鑰愰浕鍔涚壒鎬у拰鎻掑叆鎼嶈�楄�佹眰闈炲父鍤�(y谩n)鏍肩殑鍫村悎锛屼竴鐩存部鐢ㄩ浕浠嬭唱(zh矛)婵炬尝鍣ㄣ�傚儚渚挎敎寮忛浕瑭辩殑鐧�(f膩)閫�/鎺ユ敹锛圱X/RX锛夊ぉ绶氳綁(zhu菐n)鎻涢枊闂�(gu膩n)锛屽繀闋堣兘鎵垮彈绱�1W鐨勭櫦(f膩)閫侀浕鍔涖�傞毃钁桽AW婵炬尝鍣ㄦ�ц兘鐨勬彁楂�锛岃┎鍣ㄤ欢鐨勬噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熶笉鏂锋嫇灞�銆傚湒7绀哄嚭鐨勬槸鐢ㄤ簬AMPS鏂瑰紡鐨凷AW澶╃窔杞�(zhu菐n)鎻涢枊闂�(gu膩n)锛屽昂瀵哥偤9.5mm脳7.5mm脳2mm锛岄噸閲忔槸0.4g銆傚嵆浣垮湪浠婂悗鍦嬮殯绲�(t菕ng)涓�瑕�(gu墨)鏍肩殑IMT2000鏂瑰紡鏂颁竴浠ｇЩ鍕曢�氫俊绯荤当(t菕ng)涓�锛屼篃灏戜笉浜嗛�欑óSAW澶╃窔杞�(zhu菐n)鎻涢枊闂�(gu膩n)鍣ㄤ欢銆傛棩鏈�鏉戠敯鍏�鍙搁枊鐧�(f膩)鐨�6.3mm脳8mm脳2mm鐨凷AW澶╃窔鏀剁櫦(f膩)杞�(zhu菐n)鎻涢枊闂�(gu膩n)锛屼笉鍍呮彁楂樹簡鍌宠几绱氱殑鍔熺巼瀹归檺锛岃�屼笖鍏锋湁瓒呬綆鎻掑叆鎼嶈�楃壒鎬�銆�