73M2901CE Line-In-Use/Parallel Pick Up Detection


This application note describes how the Teridian 73M2901CE, a V.22bis single-chip modem, supports all types of line-in-use (LIU) and parallel pickup (PPU) detection. This low-speed modem IC is ideal for a variety of applications, including satellite set-top boxes, point-of-sale (POS) terminals, ATMs, remote-monitoring devices, and smart card readers. Read full article.