29-03-2017, 03:23 PM
This bell bell phone circuit to generate the electricity bell on the old phone. This circuit is relatively high. So you can use for the replacement the same ring or the original phone can be lost. We do not need a new phone. This is a simple home phone that generates ringtone generator that is built with the application of only several electronic components / parts. Generates simulated phone ringtone and only requires DC supply with voltage from 4.5V DC to 12V DC.
One can possibly use this circuit in the intercom ordinary intercom or intercom type telephone. The sound is quite strong when this circuit is operated with a power supply of + 12V DC. Even so, the ringer sound volume can be adjusted.
One can possibly use this circuit in the intercom ordinary intercom or intercom type telephone. The sound is quite strong when this circuit is operated with a power supply of + 12V DC. Even so, the ringer sound volume can be adjusted.
![[Image: telephone-ringtone-generator-schematic.jpg]](http://www.electroschematics.com/wp-content/uploads/2011/12/telephone-ringtone-generator-schematic.jpg)
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