http://www.simplecircuitdiagram.com Free Simple Circuit Diagram Mon, 06 Feb 2012 04:23:39 +0000 en hourly 1 http://wordpress.org/?v=abc http://www.simplecircuitdiagram.com/2009/05/20/pulse-position-modulator-using-555-ic/ http://www.simplecircuitdiagram.com/2009/05/20/pulse-position-modulator-using-555-ic/#comments Wed, 20 May 2009 11:32:21 +0000 Adam http://www.simplecircuitdiagram.com/?p=89 Pulse position modulation is similar to pulse width modulation, but the frequency is not constant.  Like pulse width modulator circuit, pulse position modulator can be easily constructed using 555 IC.  Here is the schematic diagram of the circuit: If you … Continue reading →]]> http://www.simplecircuitdiagram.com/2009/05/20/pulse-position-modulator-using-555-ic/feed/ 0 http://www.simplecircuitdiagram.com/2009/05/20/pulse-width-modulator-using-555-ic/ http://www.simplecircuitdiagram.com/2009/05/20/pulse-width-modulator-using-555-ic/#comments Wed, 20 May 2009 11:06:23 +0000 Adam http://www.simplecircuitdiagram.com/?p=86 A very simple pulse modulator circuit can be built using 555 IC. In 555 chip, a special modulator input is available at pin 5. Here is the schematic diagram of circuit: This pulse modulator circuit need an external clock signal … Continue reading →]]> http://www.simplecircuitdiagram.com/2009/05/20/pulse-width-modulator-using-555-ic/feed/ 0