Chapter 9 Communications Circuits 9.8. 4 Inverse Concentration Inverse Concentrators 112 Kbps 112 Kbps Two 56 Kbps Lines Printer Computer Figure 9-12 Inverse concentration www.gxmu.edu.cn9.8.4 Inverse Concentration Figure 9-12 Inverse concentration. www.gxmu.edu.cn Chapter 9 Communications Circuits