CCS C Software and Maintenance Offers
FAQFAQ   FAQForum Help   FAQOfficial CCS Support   SearchSearch  RegisterRegister 

ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in 

CCS does not monitor this forum on a regular basis.

Please do not post bug reports on this forum. Send them to CCS Technical Support
problems with speaker noise

 
Post new topic   Reply to topic    CCS Forum Index -> General CCS C Discussion
View previous topic :: View next topic  
Author Message
kahbee



Joined: 09 Jun 2010
Posts: 6

View user's profile Send private message

problems with speaker noise
PostPosted: Fri Jun 18, 2010 2:21 am     Reply with quote
Greetings. I use LM386 to amplify my speaker and I follow the connection in the datasheet. Yet, there are humming noise. Do anyone can help me solve this? Sad
thanks in advance
dyeatman



Joined: 06 Sep 2003
Posts: 1934
Location: Norman, OK

View user's profile Send private message

PostPosted: Fri Jun 18, 2010 5:51 am     Reply with quote
Sounds like a power supply problem to me. However, this is a CCS
compiler rather than an electronics forum so that question would be
better asked in alt.electronics or a similar forum.
_________________
Google and Forum Search are some of your best tools!!!!
SherpaDoug



Joined: 07 Sep 2003
Posts: 1640
Location: Cape Cod Mass USA

View user's profile Send private message

PostPosted: Fri Jun 18, 2010 1:40 pm     Reply with quote
Most likely a power supply problem. Could the hum be at the D/A sample rate or PWM frequency?
_________________
The search for better is endless. Instead simply find very good and get the job done.
kahbee



Joined: 09 Jun 2010
Posts: 6

View user's profile Send private message

PostPosted: Fri Jun 18, 2010 11:15 pm     Reply with quote
ok. thanks everyone
Display posts from previous:   
Post new topic   Reply to topic    CCS Forum Index -> General CCS C Discussion All times are GMT - 6 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group