표 1. | Table 1. Lange 커플러의 각 포트별 기능 | Port functions of the Lange-coupler.
Port
Function
P1 → P2 (S
21
)
Through port transmission
P1 → P3 (S
31
)
Coupled port transmission
P1 → P4 (S
41
)
Isolation port transmission
P1 → P1 (S
11
)
Input port reflection