Wiretapping amplifier circuit

Published:2011/6/29 3:08:00 Author:zj | Keyword: Wiretapping, amplifier | From:SeekIC

In order to avoidthat the second headset connects tothe telephone line for a long time,it can access in an isolated amplifier from the telephone network , the input signal can be obtained by the magnetic flux leakage of the telephone receiver.It usescoil around the U-shaped core for the pickuper, the data are as follows: Core:U shaped port,the Cross-sectional area is about 5mm*5mm,the lenth is 15mm; Winding:2000 turns,0.08mm steel wire.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Amplifier_Circuit/Wiretapping_amplifier_circuit.html

Print this Page | Comments | Reading(3)