é»è¾å¾ï¼
çå¼è¡¨ï¼
74ls86æ¯å¸¸ç¨çTTL2è¾å
¥ç«¯åå¼æé¨å¨æ°åçµè·¯ä¸å¸¸ç¨ï¼å¯¹åºçcomså¨ä»¶æ¯74hc86ç¹ç¹æ¯çµæºåèå¾ä½ãä»ççµæºçµå4.75-5.25Vï¼ä»è½å7486ï¼CT4086ï¼DG74LS86ï¼LH74LS86çå
件ç¸äºä»£æ¢ã
74ls86æ¯å¸¸ç¨çTTL2è¾å ¥ç«¯åå¼æé¨å¨æ°åçµè·¯ä¸å¸¸ç¨ï¼å¯¹åºçcomså¨ä»¶æ¯74hc86ç¹ç¹æ¯çµæºåèå¾ä½ãä»ççµæºçµå4.75-5.25Vï¼ä»è½å7486ï¼CT4086ï¼DG74LS86ï¼LH74LS86çå 件ç¸äºä»£æ¢ã
åæ¥ä¿¡å·Hç»R511ãC501ãR501ãR502éåï¼æ»¤é¤é«é¢ææ³¢ãåæµä¹åéå°74LS86P-2èï¼ç±äº1èçµåV1=+5Vï¼æ å½H为æ£ææ§ä¿¡å·æ¶ï¼3èè¾åºä¸ºè´ææ§ä¿¡æ¯ï¼ç»R505ãC502滤波ï¼ï¼å¾å°çº¦+5.0Vçé«çµå¹³ï¼æ¤é«çµå¹³é¦è³12è并ä¸æ§å¶Q501çåºæã