[sdiy] PCB layout question

Luc Hondareyte hondareyte.luc at laposte.net
Sat Nov 1 15:15:41 CET 2008


Le samedi 01 novembre 2008 à 14:44 +0100, Derek Holzer a écrit :
> I've got a question about decoupling caps. I'm making my first attempts 
> at a layout in Eagle, starting with a very simple circuit from Thomas 
> Henry to add PWM to his XR-VCO. The layout is here:
> 
> http://www.soundtransit.nl/temp/pwm_test.png
> 
> My question: do decoupling caps need to be directly in line with the 
> rest of the circuit? Note the position of C3, for example. Will the 
> power to pin 8 of the IC be properly decoupled in this layout? Of 
> course, any other suggestions are welcome too!
> 
> best!
> Derek
> 
Hello,
C3 should be as near as possible from LM1458's pin8. Idealy between R1
and the LM1458
Regards




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