I wonder where u get those caps. I am looking for the same value like yours.

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Added on October 26, 2008, 9:21 pmI always see the Paper in oil PIO doing bypass for some of the power supply cap. The value is typically small like 0.033 uF doing bypass for the 330 uF power supply and even signal caps (isnt that bypass is for power supply).

Can I know whow doesputting parallel a small cap to a big cap is a bypass?


This post has been edited by ccschua: Oct 26 2008, 09:21 PM

"paralleling small cap to big cap isnt really a bypass. That's a failed bypass imo. "

I am confused with this state ment over "Bypassing is also done for signals in the signal path because electrolytics simply arent low enough impedance for higher frequencies. "

I see a lot of bypass for power supply cap. These bypass cap is soldered underside of the PCB in parallel. For example I see this 4 units of OSCON 16V 100uF giving power supply to a DAC and receiver chip.



At the bottom of the PCB, the tantalum is added.



Can I know what cap is used for bypass, MICA or tantalum or film cap ? I seem to see a mixture, but not sure of which give wht sound.

if bypass what is the value? is it by trial and listen or just take 1/1000 of it.

If bypass for signal, is it true that Paper in oil give more warm.

Please dont mind me asking, I am just a noob to diy.

This post has been edited by ccschua: Oct 28 2008, 12:45 AM

Sorry I jump the component.

DIODE, ULTRA-FAST, 1A, 1000V as compare to FAST UF4007, any gain or not. I was told putting the ultra-fast, <5nS will give tighter bass.

Empy,

the silver mica is daylight robbery. if it serve a purpose I dont mind.

Can I use 220pF for the ZERO DAC signal decoupling or I just stick to the design 22pF silver mica.