瀹為獙
1
DDS
淇″彿婧愬疄楠?/p>
涓�銆佸疄楠岀洰鐨?/p>
1
锛庝簡瑙?/p>
DDS
淇″彿婧愮殑缁勬垚鍙婂伐浣滃師鐞嗭紱
2
锛庢帉鎻?/p>
DDS
淇″彿婧愪娇鐢ㄦ柟娉曪紱
3
锛庢帉鎻?/p>
DDS
淇″彿婧愬悇绉嶈緭鍑轰俊鍙风殑娴嬭瘯銆?/p>
浜屻�佸疄楠屽櫒鏉?/p>
1
锛?/p>
DDS
淇″彿婧?/p>
(
浣嶄簬澶у簳鏉垮乏渚э紝瀹炵墿鍥剧墖濡備笅
)
2. 20M
鍙岃釜绀烘尝鍣?/p>
1
鍙?/p>
涓夈�佸疄楠屽師鐞?/p>
鐩存帴鏁板瓧棰戠巼鍚堟垚
(DDS
鈥?/p>
Digital Direct Frequency Synthesis)
锛?/p>
鏄竴
绉嶅叏鏁板瓧鍖栫殑棰戠巼鍚堟垚鍣紝鐢辩浉浣嶇疮鍔犲櫒銆佹尝褰?/p>
ROM
銆?/p>
D/A
杞崲鍣ㄥ拰浣庨�氭护娉㈠櫒
鏋勬垚銆?/p>
鏃堕挓棰戠巼缁欏畾鍚庯紝
杈撳嚭淇″彿鐨勯鐜囧彇鍐充簬棰戠巼鎺у埗瀛楋紝
棰戠巼鍒嗚鲸鐜囧彇鍐充簬
绱姞鍣ㄤ綅鏁帮紝鐩镐綅鍒嗚鲸鐜囧彇鍐充簬
ROM
鐨勫湴鍧�绾夸綅鏁帮紝骞呭害閲忓寲鍣０鍙栧喅浜?/p>
ROM
鐨勬暟鎹綅瀛楅暱鍜?/p>
D/A
杞崲鍣ㄤ綅鏁般�?/p>
DDS
淇″彿婧愭ā鍧楃‖浠朵笂鐢?/p>
cortex-m3
鍐呮牳鐨?/p>
ARM
鑺墖
(STM32)
鍜屽鍥寸數璺瀯
鎴愩�傚湪璇ユā鍧椾腑锛屾垜浠敤鍒?/p>
STM32
鑺墖鐨勪竴璺?/p>
AD
閲囬泦锛堝搴旀彃瀛旇皟鍒惰緭鍏ワ級鍜?/p>
涓よ矾
DAC
杈撳嚭锛堝垎鍒搴旀彃瀛?/p>
P03
銆?/p>
P04
锛?/p>
銆?/p>
PWM
淇″彿鐢?/p>
STM32
鏃堕挓閰嶇疆
PWM
妯″紡
杈撳嚭锛岃皟骞呫�佽皟棰戜俊鍙烽�氳繃鍚?/p>
STM32
鍐欏叆鐩稿簲鐨勯噰鏍风偣鏁扮粍锛岀敱鏃堕挓瑙﹀彂涓よ矾
DAC
鍚屾寰幆鍒嗗埆杈撳嚭鍏跺凡璋冧俊鍙蜂笌杞芥尝淇″彿銆?/p>
瀵逛簬澶栧姞淇″彿鐨?/p>
AM
璋冨埗锛?/p>
鐢?/p>
STM32
鐨?/p>
AD
瀵瑰鍔犻煶棰戜俊鍙疯繘琛岄噰鏍凤紝鍦ㄦ椂閽熻Е鍙戜笅褰撳墠閲囨牱鍊间笌杞芥尝淇″彿鏁扮粍鐨勭浉
搴斿�艰繘琛岀浉搴旂畻娉曞鐞嗭紝骞跺皢璇ュ�间繚瀛樿緭鍑哄埌
DAC
锛岀劧鍚庡惊鐜繘琛岃繖涓繃绋嬶紝灏?/p>
瀹炵幇浜嗗澶栭儴闊抽淇″彿鐨?/p>
AM
璋冨埗銆?/p>
瀹為獙绠辩殑
DDS
淇″彿婧愯兘澶熻緭鍑鸿剦瀹借皟鍒舵尝
(PWM)
銆佹寮︽尝銆佷笁瑙掓尝銆佹柟娉€�佹壂棰?/p>
淇″彿銆佽皟骞呮尝锛?/p>
AM
锛?/p>
銆佸弻杈瑰甫锛?/p>
DSB
锛?/p>
銆佽皟棰戞尝锛?/p>
FM
锛夊強瀵瑰閮ㄨ緭鍏ヤ俊鍙疯繘琛?/p>
AM
璋冨埗杈撳嚭銆?/p>
鍥涖�佸悇娴嬮噺鐐圭殑浣滅敤
璋冨埗杈撳叆
锛?/p>
澶栭儴璋冨埗淇″彿杈撳叆閾嗗瓟
锛堟敞鎰忛搯瀛斾笅闈㈡爣娉ㄧ殑绠ご鏂瑰悜銆?/p>
鑻ョ澶?/p>
鑳岀閾嗗瓟锛?/p>
璇存槑姝ら搯瀛旂偣涓轰俊鍙疯緭鍑哄瓟锛?/p>
鑻ョ澶存寚鍚戦搯瀛旓紝
璇存槑姝ら搯瀛旂偣涓轰俊鍙?/p>
杈撳叆瀛旓級
銆?/p>
P03
锛?/p>
DDS
鍚勭淇″彿杈撳嚭閾嗗瓟銆?/p>
P04
锛?/p>
20KHZ
杞芥尝杈撳嚭閾嗗瓟銆?/p>
P09
锛氭娊鏍疯剦鍐茶緭鍑洪搯瀛斻�?/p>
SS01
锛?/p>
澶嶅悎寮忔寜閿棆绾斤紝
鎸夐敭鐢ㄦ潵閫夋嫨杈撳嚭淇″彿鐘舵�侊紱
鏃嬬航鐢ㄦ潵鏀瑰彉淇″彿棰?/p>
鐜囥�?/p>
LCD
锛?/p>
鏄剧ず杈撳嚭淇″彿鐨勯鐜?/p>
銆?/p>
浜斻�佸疄楠屽唴瀹瑰強姝ラ
1)
鍔犵數