Circuit Telephone Ringer by IC KA2411

If you feel to are bored with with the phone ring as a result try use this Telephone Ringer by IC KA2411 circuit. It will may help to give testimony is lost can is bored with, because have a voice sweet-sounding good music use IC KA2411(IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FOR TELEPHONE BELL REPLACEMENT) Then the circuit that build easy , the sound is good. With the telephone line originally your immediately Ok. Read the detail adds in circuit picture.

PCB Telephone Ringer by IC KA2411

This entry was posted on Thursday, June 21st, 2007 at 11:55 am and is filed under Audio - Alarm, Telephone. You can follow any responses to this entry through the RSS 2.0 feed.