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Wilkinson Power Divider
&
Branch Line Coupler
1. Wilkinson Power Divider
(1) Wilkinson Power Divider ÀÇ Æ¯Â¡
- 3 port ¼ÒÀÚ
- µÎ Ãâ·ÂÆ÷Æ®ÀÇ Å©±â¿Í À§»óÀÌ µ¿ÀÏÇÏ°Ô ºÐ¹è (À§»óÂ÷ 0¢ª)
(2) ¼³°èÇÑ È¸·ÎÀÇ Schematic
Á᫐ Á֯ļö : 1.91§×
Z0 = 50§Ù
Z0=70.7§Ù
(3) S-parameters
¨ç S11 , S23 [§¼]
¢¡ S11 °ú S23 (=S32) °¡ °ÅÀÇ °°À½À» È®ÀÎ
¨è S21, S31 [§¼]
¢¡ S21°ú S31ÀÌ °°À½À» È®ÀÎ
¨é At f=1.91§×
Á᫐ Á֯ļö f = 1.91§×¿¡¼ S11°ú S23ÀÇ °ªÀº °¢°¢ -57.72§¼, -58.85§¼·Î po