Difference between PPG and PWM

[Abhishek Singh]

Hello !!!!!!!!!!
i got confused in PPG and PWM signal.

Both are used to generate Pulses with controlled cycle and duty. then whats the exact difference ???

Can any one explain this ..it will help me in my project..


Thanks;

 

[prashanttyagi85]

can you tell me me the full form of PPG?

 

[dftrtl]

Please expand PPG

 

[jeffrey samuel]

some pulse generator I guess

PWM modify the width or time duration of high op of the pulse in consideration

 

[chuckey]

Do you mean PPM? , pulse position modulation, often used in radio control models.
Frank

 

[Abhishek Singh]

ya its Progammable Pulse Generator...it means we can program the pulses we need ..