Signal processsing circuit for a telephone set
作者： Hitoshi Sugiyama , Norikazu Fujie
DOI:
关键词: Alarm indication signal 、 Analog signal 、 Signal-to-crosstalk ratio 、 Electronic engineering 、 Electrical engineering 、 Signal 、 Signal transfer function 、 Start signal 、 Common-mode signal 、 Engineering 、 Automatic gain control
摘要: A signal processing circuit for a telephone set. This includes sending means that sends to transmission line sound produced from transmitter, first adding adds the an inverting phase-inverts output circuit, impedance element provided between and of second transmitter supplies resulting composite receiver.
lens.org 参考文章(1)
Seki Hideyuki, AUTOMATIC SIDETONE PREVENTING CIRCUIT ,(1986)