L²¨¶Î½ÓÊÕ»úµÄÉè¼Æ_ͨÐŹ¤³ÌרҵÂÛÎÄ·¶ÎÄ
·¢²¼Ê±¼ä£º
2015-01-24
À´Ô´£º
ÈË´ó¾¼ÃÂÛ̳
ͨÐŹ¤³ÌרҵÂÛÎÄ
Ä¿¡¡Â¼
Õª ÒªI
AbstractII
µÚ1Õ Ð÷ÂÛ1
1.1 ¿ÎÌâ±³¾°1
1.2 ¹úÄÚÍâ·¢Õ¹ÏÖ×´2
1.3 ±¾ÎÄÑо¿µÄÄÚÈݼ°°²ÅÅ3
1.4 ±¾ÕÂС½á4
µÚ2Õ ½ÓÊÕ»úÔÀí¼°ÐÔÄÜÖ¸±ê·ÖÎö5
2.1 ½ÓÊÕ»ú¼ò½é5
2.2 ³£¼ûµÄ½ÓÊÕ»ú·½°¸6
2.3 ½ÓÊÕ»úÔëÉùÌØÐÔ·ÖÎö££½ÓÊÕ»úÔëÉùϵÊý8
2.3.1 ÔëÉùµÄÀ´Ô´9
2.3.2 ÔëÉùϵÊý9
2.3.3 ¼¶Áªµç·µÄÔëÉùϵÊý11
2.4 ½ÓÊÕ»úÁéÃô¶È12
2.5 ѹËõµã¡¢×îС¿É¼ì²âÐźźͶ¯Ì¬·¶Î§13
2.5.1 1-dBѹËõµã13
2.6 »¥µ÷ʧÕ桪Èý½×½Ø¶ÏµãIP314
2.7 ÎÞÔÓÉ¢ÏìÓ¦¶¯Ì¬·¶Î§16
2.8 ½ÓÊÕ»úÄÚ²¿ÔÓÉ¢ÏìÓ¦17
2.9 ±¾ÕÂС½á18
µÚ3Õ L²¨¶Î½ÓÊÕ»úÉè¼Æ19
3.1 L²¨¶Î½ÓÊÕ»úµÄµç·Éè¼Æ19
3.2 ¼¼ÊõÖ¸±êÒªÇó21
3.2.1 ÊäÈëÐźÅ21
3.2.2 Êä³öI¡¢QÐźÅ21
3.2.3 ϵͳҪÇó22
3.2.4 ʹÓû·¾³ÒªÇó¼°ÆäËüÌØÊâÒªÇó22
3.3 ¼¼ÊõÄѵ㼰¹Ø¼üµç·Éè¼Æ22
3.3.1 ÁãµãƯÒÆζȲ¹³¥µç·µÄÉè¼Æ23
3.3.2 ¿í´øI&Q½âµ÷Æ÷µÄÉè¼Æ24
3.3.3 µçѹ¸úËæÆ÷µÄµç·ÐÎʽ27
3.3.4 ¶þ¼«¹Üµçµ÷Ë¥¼õÆ÷27
3.3.5 Õû»úÔëÉùÉè¼Æ28
3.4 ±¾ÕÂС½á28
µÚ4Õ L²¨¶Î½ÓÊÕ»úµÄÕû»úÉè¼ÆÓëµ÷ÊÔ29
4.1 ¹¤ÒÕÉè¼Æ29
4.2 ÖÊÁ¿ºÍ¿É¿¿ÐÔÉè¼Æ29
4.2.1 ×é¼þµÄ¿É¿¿ÐÔÔ¤¼Æ30
4.3 ²úÆ·µÄµ÷ÊÔ½á¹û¼°²âÊÔÐÔÄÜ31
4.3.1 ²úÆ·µÄµ÷ÊÔ²âÇúÏßͼ31
4.3.2 ²úÆ·ÊÔÐÔÄÜÈçÏ£º33
4.4 ËùÓÃÒÇÆ÷33
4.5 ²úÆ·ÍâÐÎ33
4.5.1 ²úÆ·ÍâÐγߴ缰¸÷¶Ë¿Ú¹¦ÄÜ33
4.5.2 L²¨¶Î½ÓÊÕ»úʵÎïÕÕƬ34
4.6 ±¾ÕÂС½á35
½á ÂÛ37
²Î¿¼ÎÄÏ×39
¸½Â¼141
¸½Â¼245
¸½Â¼349
¸½Â¼467
Ö л69
Õª¡¡Òª
±¾ÎÄÖ÷Òª½éÉÜÁËL²¨¶Î½ÓÊÕ»úµÄ»ù±¾ÔÀí¼°¾ßÌåµç·Éè¼Æ£¬²¢¶Ô¸Ã½ÓÊÕ»úµÄ¹Ø¼ü¼¼Êõ¡¢Éè¼ÆÁ÷³Ì¡¢´ïµ½µÄˮƽºÍÓ¦ÓÃÇ°¾°×öÁ˼òµ¥½éÉÜ¡£Í¨¹ýרÌâÑо¿£¬³É¹¦Éè¼ÆÁË·Å´ó¡¢Ë¥¼õ¡¢¿ª¹Ø¡¢»ìƵ¡¢¹¦·Ö¡¢¼øÏà¡¢Áã¶ÈƯÒƺÍζȲ¹³¥µÈ¹Ø¼üµç·£¬½ÏºÃµÄÂú×ãÁ˸ýÓÊÕ»úµÍÔëÉù¡¢´ó¶¯Ì¬ºÍµÍÁãƯµÄÐÔÄÜÒªÇó£¬Í¬Ê±ÊµÏÖÁËI&QÁ½Â·»ù´øÐźÅÁ¼ºÃµÄ·ùÏàƽºâÌØÐÔ¡£Öî¶à¹Ø¼ü¼¼ÊõµÄÍ»ÆÆ£¬ÎªÍ¬Àà²úÆ·µÄϵÁл¯¡¢Ð¡ÐÍ»¯¡¢¸ß¿É¿¿´òÏÂÁ˼áʵµÄ»ù´¡¡£Í¬Ê±ÎªÍ¬Àà´ó¶¯Ì¬¶àͨµÀ½ÓÊÕ»úµÄÉè¼Æ¿ª·¢ÌṩÁËÇ¿ÓÐÁ¦µÄ±£ÕÏ¡£´ïµ½Á˺ܺõľ¼ÃЧÒæºÍÉç»áЧÒæ¡£
¸Ã½ÓÊÕ»úµÄÍ»³öÌصãÊÇ£ºÐ¡Ìå»ý¡¢¸ßÔöÒæ¡¢µÍÔëÉù¡¢´ó¶¯Ì¬¡¢Á¼ºÃµÄ·ùÏàƽºâÐԺ͸ßÎȶ¨ÐÔ¡£
¹Ø¼ü´Ê£º¡¡½ÓÊÕ»ú£»»ìƵÆ÷£»¹¦ÂÊ·ÖÅäÆ÷£»I&Q½âµ÷Æ÷£»µçµ÷Ë¥¼õÆ÷
Abstract
This paper presents the circuit design .key technology and practically foreground of the L band low noise large dynamic receivers. We success to design the amplifier Attenuation switch mixer power divider detector phase and developed a low noise large dynamic zero temperature drift£¬ also have perfect amplitude phase balance performance of I&Q two channel base band sign by special research. Many essential technical breakthroughs£¬ for the similar production£¬ the miniaturization£¬ high£¬ have reliably built the solid foundation. Meanwhile has provided the powerful safeguard for the similar greatly dynamic multi-channel receiver design development. Has achieved the very good economic efficiency and the social efficiency.
The advantage of the receiver is low-profile high reliability low noise large dynamic and excellent amplitude phase balance performance.
Keywords£º¡¡Receiver Mixer Power divider I& Qdemodulator The electricity adjust-attenuator