Problem when use Opamp with PWM

Tip / Sign in to post questions, reply, level up, and achieve exciting badges. Know more

cross mob
lock attach
Attachments are accessible only for community members.
LeYu_281131
Level 3
Level 3

I made a board using CY8C3866AXI-040

   

and i designed PWM like attached file.

   

when i use only PWM it is work perfectly.

   

but when i use a Opamp with the pwm, the pwm isn't work.

   

should i set something?

   

please solve this problem.

   

Thank you.

0 Likes
2 Replies
ETRO_SSN583
Level 9
Level 9
250 likes received 100 sign-ins 5 likes given

I do not see an OpAmp anyware in the .png file ?

   

Regards, Dana.

0 Likes
ETRO_SSN583
Level 9
Level 9
250 likes received 100 sign-ins 5 likes given

I do not see an OpAmp anyware in the .png file ? How is it being used,

   

what is it wirfed to ?

   

Regards, Dana.

0 Likes