hi, i have red in books and online about phase fired control circuitry, and the different devices. but i didn't find a circuit or a device that can access the wave beyond 90 degrees in half wave, or first and third quadrant in full wave.

so my question is, is there a circuit or a device that can be triggered to operate at angels beyond 90 degrees or 270 degrees?

thanks.

 

Are you trying to make a dimmer controller or motor speed device using Triacs or Thyristors?

 

actually this might be a little bit strange, but what i'm trying to build is a power audio amplifier using a tda7264 chip. i wanted to control the volume in a new way, and efficient way by reducing the power itself. so, do you have anything in mind to help?

 

please ppl any help?

 

common guys any answer will be appreciated. thanks

 

Can you visualize phase-chopping the output signal that is composed of combined non-sinasoidal waves with frequencies from 20Hz to 20Khz, and of varying amplitudes? I can't!

Ken

 

actually this might be a little bit strange, but what i'm trying to build is a power audio amplifier using a tda7264 chip. i wanted to control the volume in a new way, and efficient way by reducing the power itself. so, do you have anything in mind to help?

Can you give an abstract of what and how you intend to do?

Ramesh