SkrewDriver Perfboard

Started by dukie, May 28, 2011, 12:47:37 AM

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dukie

Hi guys, i've been building the screwdriver using cow4prez layout (rev.1.2) lately, but since no perfboard layout available i've created one using DIYLC v3. But there are problem after i build it using my own layout, the output volume is very low with clean but chimey sound(i plug it in to computer direclty), and i had to maximize my computer volume to hear it. is this normal, or do I need to plug it in to a guitar amplifier? or maybe there is a mistake in my layout?

Here's my perfboard layout..


Btw,I'm using BC109B because I can't find any BC109C, and according to the datasheet the 109B had lower gain. I thought that was the problem, so i swapped it with BC549C with 400-800hfe but the problem persist.

So can anybody help me here? any help will be greatly appreciated!   

Cheers!

PS: do you guys know how to export hi-res image from DIYLC v3?its only export at 72dpi?

dukie

 :icon_mrgreen: oh my oh my finaly found the problem (there was a unsoldered lug of the BS170,DooH! ;D) and now this perfboard layout is verified by me!

Cheers!