AD6643-250EBZ ä ̧ªé«æ§è1/2æ ̈¡æ°è1/2¬æ¢å ̈
AD6643æ ̄ä ̧æ¬3/411ä1/2ã250 MSPSãåééä ̧é¢(IF)æ¥æ¶æºï1/4ä ̧é ̈éå ̄¹è¦æ±é«å ̈æèå'æ§è1/2ãä1/2åèåå°ºå ̄ ̧ççμä¿¡åºç ̈ä ̧æ ̄æå¤å¤©çº¿ç³»ç» èè®3/4计ã
è ̄¥å ̈件å æ¬ä ̧¤ä ̧ªé«æ§è1/2æ ̈¡æ°è1/2¬æ¢å ̈(ADC)ååªå£°æ'å1/2¢åéåå ̈(NSR)æ°åæ ̈¡åãåADCéç ̈å¤çº§ãå·®åæμæ°'线æ¶æï1/4并éæäºè3/4åºçº éé»è3/4ãADCå·®åæμæ°'线第¬ä ̧级å å«ä ̧ä ̧ªå®1/2å ̧¦å®1/2å1/4å ³çμ容éæ ·ç1/2ç»ãéæåºåçμåæºå ̄ç®åè®3/4计ãå 空æ ̄ç ̈³å®å ̈(DCS)è¡¥å¿ADCæ¶éå 空æ ̄çæ³¢å ̈ï1/4ä1/2¿è1/2¬æ¢å ̈ä¿æåºè²çæ§è1/2ã
åADCçè3/4åºå é ̈è¿æ¥å°NSRæ ̈¡åãéæNSRçμè· ̄è1/2å¤æé«å¥å¥æ ̄ç¹å ̧¦å®1/2å è3/4å°é¢æ®μçä¿¡åªæ ̄(SNR)æ§è1/2ãè ̄¥å ̈件æ ̄æä ̧¤ç§ä ̧åçè3/4åºæ ̈¡å1/4ï1/4éè¿å¤é ̈MODEå1/4èæSPIå ̄以éæ©è3/4åºæ ̈¡ å1/4ãåºç ̈
- éä¿¡
- åéæ 线çμåæºè1/2天线(MIMO)系绻
- å¤æ ̈¡å1/4æ°åæ¥æ¶æº(3G)
WCDMA, LTE CDMA2000
WiMAX, TD-SCDMA
- I/Q解è°ç³»ç»
- éç ̈è1/2 ̄件æ 线çμ
产åç¹è²
1.å°åãèçç ºé'ç9©mm × 9 mm × 0.85 mmã64å1/4èLFCSPå°è£ éæä ̧¤ä ̧ªADCã
2.å1/4èå ̄éçåªå£°æ'å1/2¢åéåå ̈(NSR)ï1/4å1/2å ̧¦å®1/2éä1/2è³æ大60 MHzã185 MSPSæ¶ï1/4å®è1/2æé«ä¿¡åªæ ̄ã
3.LVDSæ°åè3/4åºæ¥å£éå ̄¹ä1/2ææ¬FPGAç³»åèé ç1/2®ã
4.éç ̈1.8 Våçμæºä3/4çμã
5.æ åä ̧²è¡ç« ̄å£æ¥å£(SPI)æ ̄æåç§äº§åç¹æ§ååè1/2ï1/4ä3/4å¦ï1/4æ°æ®æ 1/4å1/4åï1/4å移äºè¿å¶æäºè¿å¶è¡¥ç ï1/4ãNSRãå ³æãæμè ̄æ ̈¡å1/4以ååºåçμåæ ̈¡å1/4ã