銆�銆�VCXO 鎶�琛�(sh霉)瑕�(gu墨)鑼冧腑鍒楁湁澶氶爡(xi脿ng)鎬ц兘鍙冩暩(sh霉)銆傞�欎簺鍙冩暩(sh霉)寰�寰�鏄浉浜掗棞(gu膩n)鑱�(li谩n)鐨�銆傛垜鍊� 涓嶈兘涓�鍛宠拷姹傛煇浜涘弮鏁�(sh霉)鐨勯珮鎸囨(bi膩o)鑰屽拷瑕栫敱姝ゅ紩璧风殑鍏跺畠鍙冩暩(sh霉)鐨勫姡鍖�銆� 渚嬪锛� VCXO 鍏佽ū鐨勯牷鐜囨帶鍒惰寖鍦嶅氨鏄湁闄愬埗鐨�銆� 涓�鑸締(l谩i)瑾�(shu艒)锛� 濡傛灉瑕佹眰 VCXO 鏈夎純澶х殑鐗藉紩搴�锛� 鍓囧畠鍦ㄥ伐浣滄韩搴﹁寖鍦嶅収(n猫i)鐨勯牷鐜囩┅(w臎n)瀹氬害灏辫純宸�銆傚弽涔嬶紝濡傛灉灏�(du矛)闋荤巼绌�(w臎n)瀹氬害瑕佹眰楂�锛� 灏卞緢闆ｅ緱鍒拌純澶х殑鐗藉紩搴︼紙>卤200脳10锛�6锛� 銆傚洜姝�锛屾纰轰簡瑙� VCXO 鐨勬妧琛�(sh霉)瑕�(gu墨)鑼� 鍜屼娇鐢ㄨ姹傦紝灏�(du矛)浜庡湪瑷�(sh猫)瑷�(j矛)涓婄敤濂介�欑ó鍣ㄤ欢鏄緢闂�(gu膩n)閸电殑銆備笅闈㈡垜鍊戝皣浠嬬垂 VCXO 闆� 鍙冩暩(sh霉)鐨勭壒榛�(di菐n)鍜岄伕鐢ㄦ檪(sh铆)鎳�(y墨ng)娉ㄦ剰鐨勫晱(w猫n)椤屻��
銆�銆�1 VCXO 鐨勭⒑瀹�
銆�銆�棣栧厛锛岃寮勬竻妤氬叿楂旀噳(y墨ng)鐢ㄥ牬(ch菐ng)鍚堟槸闇�瑕� VCXO锛岄倓鏄竴鑸殑鎸暕鍣�銆傜暥(d膩ng)瑷�(sh猫)瑷�(j矛)浜哄摗甯� 鏈涢�氶亷(gu貌)澶栧姞鎺у埗闆诲渚�(l谩i)灏�(du矛)鎸暕鍣ㄧ殑闋荤巼浣滃皬鑼冨湇鐨勮(di脿o)璜ф檪(sh铆)锛� 灏辨噳(y墨ng)閬哥敤 VCXO 鍣ㄤ欢銆� 鎴戝�戞妸閫欑ó鎸暕鍣ㄨ(di脿o)璜хū鐐虹壗寮曞害锛坧ullability锛� 銆傜壗寮曞害鐢� 10锛�6 鏁�(sh霉)閲忕礆(j铆)琛ㄧず銆� VCXO 鐗藉紩搴︾殑鍏稿瀷鍊肩偤卤50脳10锛�6锝灺�200脳10锛�6锛� 瑕佸緱鍒伴�欑ó鑼冨湇鐨勭壗寮曞害锛� VCXO 鐢�(ch菐n)鍝佷竴鑸噰鐢ㄦ(bi膩o)婧�(zh菙n)鍦撳舰鐭宠嫳鏅堕珨銆傜偤浜嗘豢瓒崇壗寮曞害鑼冨湇澶х殑瑕佹眰锛岃ō(sh猫)瑷�(j矛)涓� 闋堢敤澶у昂瀵告櫠楂旓紙鐩存帴 0.25 鑻卞锝�0.35 鑻卞锛� 銆傛澶�锛屽鏋滆寰楀埌澶ц寖鍦嶇殑鐗藉紩 搴�锛孷CXO 鐢�(ch菐n)鍝佺殑鏅堕珨鎳�(y墨ng)鏄熀妯℃櫠楂�銆�
銆�銆�2 闋荤巼绌�(w臎n)瀹氬害瑕佹眰
銆�銆�VCXO 鐢ㄧ煶鑻辨櫠楂斾綔闋荤巼鎺у埗鍏冧欢锛屽叾鎸暕闋荤巼鍦ㄥ伐浣滄韩搴﹀収(n猫i)鏄┅(w臎n)瀹氱殑銆傜暥(d膩ng)鎴戝�� 灏�(du矛) VCXO 閫�(j矛n)琛岃(di脿o)璜ф檪(sh铆)锛屾尟钑╅牷鐜囨渻(hu矛)鐧�(f膩)鐢熸敼璁婏紱浣嗗亸闆㈡(bi膩o)绋遍牷鐜囩殑鍚勫��(g猫)闋荤巼鍊煎湪宸� 浣滄韩搴﹁寖鍦嶅収(n猫i)鍚屾ǎ鏄┅(w臎n)瀹氱殑銆傚繀闋堟敞鎰�锛屽皪(du矛)浜庝竴鍊�(g猫)绲﹀畾鐨勯牷鐜囪�岃█锛岄牷鐜囩┅(w臎n)瀹氬害 瑕佹眰瓒婇珮锛岃寰楀埌澶ц寖鍦嶇殑鐗藉紩搴﹀氨瓒婂洶闆ｃ�傞噰鐢ㄧ瑙ｆ焙鏂规锛屼笉鑳界嵅寰楄壇濂界殑 闋荤巼绌�(w臎n)瀹氬害銆� 閫欐槸鍥�?y脿n)妤ｇ拹瀣栭櫖娼�?d貌ng)鍣伈鍜岀浉浣嶅櫔鑱叉墍鑷�銆� VCXO 閲囩敤浜嗙煶鑻辨櫠楂旓紝 闋荤巼鐣板父绌�(w臎n)瀹�锛屾槸鐩墠鐨勯牷鐜囨帶鍒跺櫒浠�銆� 鎶�琛�(sh霉)鍙冩暩(sh霉)锛�
銆�銆�3 闆诲瑾�(di脿o)璜ц垏闋荤巼璁婂寲鐨勯棞(gu膩n)绯�
銆�銆�VCXO 鐨勯牷鐜囧亸绉诲�煎悓鍔犲湪鍏惰(di脿o)璜ч浕璺笂鐨勬帶鍒堕浕澹撶殑澶у皬鏈夐棞(gu膩n)銆� VCXO 妯�(bi膩o)绋遍牷鐜� 灏�(du矛)鎳�(y墨ng)鐨勮(di脿o)璜ч浕澹撹(gu墨)瀹氱偤 VCC锛堥浕婧愰浕澹擄級鐨勪竴鍗�銆俈CC 鐐� 5V 鐨� VCXO锛屾帶鍒堕浕澹� 鐐� 2.5V 鏅�(sh铆)灏辩敘(ch菐n)鐢熶腑蹇冮牷鐜�?锛熷垈榻愬Ψ绨芥?.5锝�4.5锛塚 鐨� VCXO锛屽叾闋荤巼璁婂寲鏇� 绶氱殑鏂滅巼鐐烘銆備篃灏辨槸瑾�(shu艒)锛岀暥(d膩ng)鎺у埗闆诲寰� 2.5V 涓婂崌鐐� 4.5V 鏅�(sh铆)锛屾尟钑╁櫒鐨勯牷鐜囧皣 澧炲ぇ锛涚暥(d膩ng)鎺у埗闆诲寰� 2.5V 闄嶇偤 0.5V 鏅�(sh铆)锛屾尟钑╁櫒鐨勯牷鐜囧皣娓涘皬銆傛尟钑╁櫒鐨勯牷鐜囬毃 鎺у埗闆诲璁婂寲鐨勭壒鎬�锛屽線寰�鐢ㄨ(di脿o)璜ч潏鏁忓害閫欎竴鐗╃悊閲忎締(l谩i)鎻忚堪銆傝(di脿o)璜ч潏鏁忓害鐢ㄥ柈浣� 10锛�6/V 琛ㄧず銆� 濡傛灉 VCXO 鐨勭壗寮曞害鐐郝�100脳10锛�6锛� 鎺у埗闆诲鑼冨湇鐐� 锛�0.5锝�4.5锛� V锛屽墖鍏惰(di脿o)璜ч潏鏁忓害绛変簬 50脳10锛�6/V銆傝姹傛帶鍒堕浕澹撴矑(m茅i)鏈夊櫔鑱叉垨鍏跺畠鍙兘寮曡捣 鎸暕鍣ㄩ牷鐜囧拰杓稿嚭娉㈠舰鐗规�х櫦(f膩)鐢熺獊璁婄殑鐬厠(t脿i)閬�(gu貌)绋嬶紝閫欎竴榛�(di菐n)寰堥噸瑕�銆傜偤鎶婂櫔鑱叉笡鑷� 鏈�灏�锛岀稉(j墨ng)甯搁噰鍙栫殑鎺柦鏄湪闆昏矾鏉夸笂鎶婃ā鎿俊铏�(h脿o)鑸囨暩(sh霉)瀛椾俊铏�(h脿o)鍒嗗垾鎺ュ湴銆�
銆�銆�4 鐩镐綅鍣伈鍜岃(di脿o)鍒�
銆�銆�涓�鍒囨尟钑╁櫒閮芥湁涓�浜涙尟骞呰(di脿o)鍒跺櫔鑱插拰鐩镐綅瑾�(di脿o)鍒跺櫔鑱�銆俈CXO 鐨勭浉浣嶅櫔鑱茶鍙楁尟钑� 鍣ㄩ浕璺祼(ji茅)妲�(g貌u)鍜岀煶鑻辨櫠楂旂殑褰遍熆銆俈CXO 闆绘簮鐨勭灛鎱�(t脿i)閬�(gu貌)绋嬫垨娉㈢磱鐢�(ch菐n)鐢熺殑瑾�(di脿o)鍒堕倓鏈�(hu矛)浣� 瀹冪殑鐩镐綅鍣伈鎬ц兘鎯″寲銆� 鐩镐綅鍣伈鐨勫潎鏂规牴鍊兼槸鐢辩浉浣嶅櫔鑱查牷璀滃湪绲﹀畾甯跺鍏�(n猫i)姹� 绌嶅垎鑰屾帹绠楀嚭渚�(l谩i)鐨�銆傜浉浣嶅櫔鑱叉槸鏍规摎(j霉)闋荤巼鐩稿皪(du矛)浜庝腑蹇冮牷鐜囩殑鍋忕Щ閲忎締(l谩i)鐣屽畾鐨�锛岀敤 鍠綅 dBc/Hz 琛ㄧず銆傞帠鐩哥挵(hu谩n)闆昏矾浣跨敤鐨勫ぇ澶氭暩(sh霉) VCXO 鍣ㄤ欢蹇呴爤鍏锋湁鑹ソ鐨勭浉浣嶅櫔 鑱茬壒鎬с�傚鏋滄噳(y墨ng)鐢ㄤ笂灏�(du矛)鐩告噳(y墨ng)鍣伈鏈夊毚(y谩n)鏍艰姹�锛岄伕鐢� VCXO 鏅�(sh铆)灏变竴瀹氳瑕�(gu墨)瀹氱浉浣嶅櫔 鑱插厑瑷辩殑鑼冨湇銆�
銆�銆�5 绶氭�у害
銆�銆�VCXO 鎸暕闋荤巼闅ㄦ帶鍒堕浕澹撹畩鍖栫殑鍑芥暩(sh霉)闂�(gu膩n)绯绘槸闈炵窔鎬х殑銆傝ō(sh猫)瑷�(j矛)鍎�(y艒u)鑹殑 VCXO锛屽叾闋� 鐜囪垏鎺у埗闆� 澹撶殑鍑芥暩(sh霉)鏇茬窔鎺ヨ繎鐩寸窔锛屽亸闆㈢洿绶氱殑鑼冨湇鎺у埗鍦� 卤10锛呬互鍏�(n猫i)銆備竴鑸締(l谩i)瑾�(shu艒)锛孷CXO 鐨勭壗寮曞害瓒婂ぇ锛屽畠鐨勭窔鎬у害灏辫秺宸�傚ぇ澶氭暩(sh霉) VCXO 鐨勯牷鐜囪垏鎺у埗闆诲鐨勫嚱鏁�(sh霉)鏇茬窔閮藉叿鏈夋鏂滅巼鑰屼笖鏄柈瑾�(di脿o)鐨勩�傚洜姝�锛岀暥(d膩ng)鎺у埗闆诲澧� 鍔犳檪(sh铆)锛岀壗寮曞害灏辫畩澶�銆�
銆�銆�6 鎺у埗闆诲绔彛鐨勮几鍏ラ樆鎶楀拰瑾�(di脿o)鍒跺付瀵�
銆�銆�鐣�(d膩ng)浠� 10kHz 閫熺巼閫�(j矛n)琛岃(di脿o)鍒舵檪(sh铆)锛� VCXO 鎺у埗闆诲绔彛鐨勮几鍏ラ樆鎶楅�氬父鍦� 50k惟浠ヤ笂銆� 鐢熺敘(ch菐n)寤犲晢鍙楀埌绌洪枔绐勫皬鐨勭磩鏉�锛屼笉鑳藉湪 VCXO 杓稿叆绔彛閲囧彇鍏呭垎鐨勬烤娉㈡帾鏂戒締(l谩i)鏀� 閫�(j矛n)瀹冪殑瑾�(di脿o)鍒跺付瀵拰鍣伈鎬ц兘銆俈CXO 鍏稿瀷鐨勮(di脿o)鍒跺付瀵偤鐩存祦鑷� 20kHz銆傝(di脿o)鍒堕牷鐜� 瓒呴亷(gu貌) 20kHz锛孷CXO 杓稿嚭淇¤櫉(h脿o)涓彲鑳芥渻(hu矛)鍑虹従(xi脿n)瀵勭敓闊挎噳(y墨ng)銆傚湪鏌愪簺鍫�(ch菐ng)鍚�锛屽彲浠ラ噰鍙栨帾 鏂戒娇杓稿叆闃绘姉鍜岃(di脿o)鍒跺付瀵豢瓒崇壒娈婇渶瑕併��
銆�銆�7 鐗藉紩鑼冨湇鑸囨(bi膩o)绋辨尟钑╅牷鐜囧亸绉荤殑闂�(gu膩n)绯�
銆�銆�鍦ㄥ伐妤�(y猫)涓�锛� 瀹氱京 VCXO 鐗藉紩搴︾殑鏂规硶鏈夊叐绋�� 涓�绋柟娉曞彨鍋氱壗寮曡寖鍦� 锛圓PR锛� 銆� 閫欑ó鏂规硶瀹氱京鐨勭壗寮曞害鑰冩叜浜� VCXO 鍚勭浉闂�(gu膩n)鍥犵礌鐢�(ch菐n)鐢熺殑鎵�鏈夐牷鐜囪畩鍖�锛屽洜鑰岀郸鍑� 鐨勬槸绺界殑鐗藉紩鑼冨湇銆傜啊(ji菐n)瑷�涔�锛孉PR 瀹氱京鐨勭壗寮曞害绛変簬 VCXO 鐩稿皪(du矛)浜庢(bi膩o)绋辨尟钑╅牷鐜� 鐨勯牷绉诲悓绌�(w臎n)瀹氭�с�侀浕澹撹畩鍖�銆佽矤(f霉)杓夎畩鍖栧拰鑰佸寲鐗规�х瓑鍥犵礌寮曡捣鐨勯牷鐜囪畩鍖栦箣鍜屻�� 渚嬪锛屼竴鍊�(g猫) APR 鐐郝�100脳10锛�6 鐨� VCXO锛屽畠鎵�杩借工鐨勬簮淇¤櫉(h脿o)鍦ㄥ悇绋(gu墨)瀹氱殑宸ヤ綔 姊濅欢涓嬪叿鏈夌殑闋荤巼鍋忕Щ灏囩偤卤100脳10锛�6銆� 瀹氱京 VCXO 鐗藉紩搴︾殑绗簩绋柟娉曞儏鍍呰�冩叜鐩稿皪(du矛)浜庢(bi膩o)绋辨尟钑╅牷鐜囩殑闋荤巼鍋忕Щ銆傞�欑ó 鏂规硶灏辨矑(m茅i)鏈夎�冩叜绺介珨绌�(w臎n)瀹氭�ф垨鑰佸寲鐗规�х殑褰遍熆銆�
銆�銆�8 闋荤巼鑸囧児(ji脿)鏍肩殑闂�(gu膩n)绯�
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