MTX Audio

imraneesa

Member
2016-04-23 12:14 pm
Hi,

This amp has all the wave forms and also square wave on one side of inductor but other side no sinewave at all. Picture of the amp attached. Sinewave is reaching driver board.
 

Attachments

  • 20191204_204112.jpg
    20191204_204112.jpg
    974.5 KB · Views: 75
  • 20191204_204056.jpg
    20191204_204056.jpg
    919.5 KB · Views: 70
Modulation is when a square wave changes pulse width in relation to the input signal. With no modulation, it's a clean square wave. With modulation, it's mostly blurred.

This is a power supply being modulated. It's different because it's always less than 50% but you get the idea. It's only 640x480 resolution so if viewed full screen, it looks awful.

http://www.bcae1.com/temp/audioandpowersupply01.avi
 

imraneesa

Member
2016-04-23 12:14 pm
Modulation is when a square wave changes pulse width in relation to the input signal. With no modulation, it's a clean square wave. With modulation, it's mostly blurred.

This is a power supply being modulated. It's different because it's always less than 50% but you get the idea. It's only 640x480 resolution so if viewed full screen, it looks awful.

http://www.bcae1.com/temp/audioandpowersupply01.avi


There is no modulation. It is just a square wave 110khz frequency.
 

imraneesa

Member
2016-04-23 12:14 pm
Is the square wave perfectly sharp? If you use audio instead of a sine wave, does the square wave look different?
Attaching square waves with and without audio.



Waveform changing with sine wave and normal audio.
 

Attachments

  • 20191205_172717.jpg
    20191205_172717.jpg
    741.9 KB · Views: 23
  • 20191205_172632.jpg
    20191205_172632.jpg
    720 KB · Views: 20
  • 20191205_172328.jpg
    20191205_172328.jpg
    754.8 KB · Views: 20