[sdiy] Vocal Filter

The Old Crow oldcrow at oldcrows.net
Tue Dec 11 17:58:20 CET 2001


On Tue, 11 Dec 2001, harry bissell wrote:

> Yes... I got the 150 (or so) caps soldered in. I LIKE decoupling caps.
> I don't know if Jim posted a pciture of the completed PCB yet... but
> anyone interested in what a nice PCB layout looks like should look
> HARD at this one. The power and decoupling is done very well...
> forethought, not afterthought !!!

  Contrast this board with the TKC board from a CS-80.  In their infinite
wisdom, Yamaha decided the board needed no decoupling at all.  Thus, the
29-chip board (all 4000-series CMOS) has no decoupling caps:

http://www.cs80.com/CS80TKC1.jpg

  An hour later:

http://www.cs80.com/CS80TKC3.jpg


Crow

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