9910 n. Chr.æ ̄ä ̧æ¬3/4å ç1/2®14 bit DACçç'æ¥
æ°åé¢çåæå ̈ï1/4DDSï1/4ï1/4æ ̄æé«è3/43/41 GSPSçéæ ·éçãAD9910éç ̈é«çº§DDSä ̧å©ææ ̄ï1/4å ̈ä ̧çºç²æ§è1/2çåæä ̧å ̄æ大éä1/2åèãDDS/DACç»åæææ°å ̄ç1/4ç ̈çé«é¢æ ̈¡æè3/4åºé¢çåæ å ̈ï1/4è1/2å¤å ̈é«è3/43/4400 MHzçé¢çä ̧çæé¢çæ·åæ£1/4¦æ³¢å1/2¢ã
ç ̈æ·å ̄以访é®ä ̧ä ̧ªç ̈äºæ§å¶DDSçä¿¡å·æ§å¶æ°ï1/4å æ¬ï1/4é¢çãç ̧ä1/2ä ̧å¹ åº¦ãAD9910å©ç ̈32 bitç' ̄å å ̈æä3/4å¿«éè·³é¢âè°è°åè3/4 ̈ç ãå ̈1 GSPSéæ ·éçä ̧ï1/4è°è°åè3/4 ̈çä ̧º~0.23 Hzãè¿æ¬3/4DDSè¿å®ç°äºå¿«éç ̧ä1/2ä ̧å¹ åº¦åæ¢åè1/2ã
ç ̈æ ·å ̄éè¿ä ̧²è¡I/Oç« ̄å£å ̄¹AD9910çå é ̈æ§å¶å ̄åå ̈è¿è¡ç1/4ç ̈ï1/4以å®ç°å ̄¹AD9910çæ§å¶ãAD9910éæäºéæRAMï1/4å ̄æ ̄æé¢çãç ̧ä1/2å/æå¹ åº¦ è°å¶çå¤ç§ç»åãAD9910è¿æ ̄æç ̈æ·å®ä¹çæ°æ§æ°åææ³¢å ·¥ä1/2æ ̈¡å1/4ãå ̈è¿ä ̧ªæ ̈¡å1/4ä ̧ï1/4é¢çãç ̧ä1/2æå¹ åº¦éæ¶é'å线æ§ååãAD9910å ç1/2®çé«é并è¡æ°æ®è3/4å ¥ç« ̄å£è1/2å®ç°é¢çãç ̧ä1/2ãå¹ åº¦æ æç¹çç'æ¥è°å¶ï1/4以æ ̄ææ'é«çº§çè°å¶åè1/2ã
AD9910å ̄å ̈æ©å±çå·¥ä ̧æ ̧©åº¦èå'å å·¥ä1/2ï1/4欲äºè§£æ'å¤ä¿¡æ ̄ï1/4è ̄·åèæ°æ®æåç»å ̄¹æ大é¢å®å1/4é ̈åï1/4ã
åºç ̈