The MC33121 is designed to provide the interface between the 4–wire side of a central office, or PBX, and the 2–wire subscriber line. Interface functions include battery feed, proper loop termination AC impedance, hookswitch detection, adjustable transmit, receive, and transhybrid gains, and single/
double fault indication. Additionally, the MC33121 provides a minimum of 58 dB of longitudinal balance (4–wire and 2–wire).
MC33121FN
10
MC33121FN
ON/安森美
5000
PLCC
MC33121FN
MOTOROLA/摩托罗拉
1084
PLCC
MC33121FN
原厂
8650
NA
MC33121FN
MOT
4500
PLCC28
MC33121FN
MOT
2870
PLCC28
MC33121FN
MC33121FN
25
25
MC33121FN
FREESCALE
2000
PLCC28
MC33121FN
MOT
3000
MC33121FN
MOT
100
PLCC
MC33121FN
MOTOROLA/摩托罗拉
100500
PLCC
MC33121FN
MOTOROLA
9630
PLCC28
MC33121FN
MOTOROLA
4500
PLCC28
MC33121FN
MOT
3500
PLCC28
MC33121FN
MOT
9526
PLCC