Telephone signals sending circuit diagram

Published:2011/4/29 4:45:00 Author:Rebekka | Keyword: Telephone signals sending | From:SeekIC

Telephone signals sending circuit is shown as below. U8 is signals sending integrated circuit. The model is 145409. U12 (22100) is a 4X4 cross-matrix circuit (CD22100 is also known as four-way switch). The control circuit is used as U8.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Basic_Circuit/Telephone_signals_sending_circuit_diagram.html

Print this Page | Comments | Reading(3)