Today's Message Index:
----------------------
1. 08:57 AM - Re: XDP-4000x Toslink Input... (Brody Z)
Message 1
| INDEX | Back to Main INDEX |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | XDP-4000x Toslink Input... |
--> XDP4000X-List message posted by: "Brody Z" <dremgragen@hotmail.com>
Yes, the CS4390 was a replacement for the CS4329. We don't know when the
switch was made.
----Original Message Follows----
From: "Roland M" <mdx400@hotmail.com>
Subject: RE: XDP4000X-List: XDP-4000x Toslink Input...
--> XDP4000X-List message posted by: "Roland M" <mdx400@hotmail.com>
>--> XDP4000X-List message posted by: "Brody Z" <dremgragen@hotmail.com>
>
>
>2. DACs : 1998, crystal CS4329. Upgraded in 1999 to CS4390.
>Oversampled, delta-sigma type converters.
>
>-Brody Zitterkopf
>
>
Brody, nice research/discovery and explanation of those circuits! :)
However I have one quick question regarging your "#2" (quoted above). When
you say in 1998 they were using [Crystal Semiconductor] CS4329s and in 1999
they were using CS4390s, do you mean that the "1st Gen" XDP-4000X units used
CS4329 D/As and then they changed them to CS4390s in the latter "2nd Gen?"
units?
I was just a little confused about that and how you have the dates and
different D/As listed. Did you mean they used different D/As depending on
the manufacture date/series of the 4000X or are you referring to two
different products?
(Was the CS4390 simply Crystal Semiconductor's replacement chip for a
discontinued CS4329?)
Roland M.
Dream of owning a home? Find out how in the First-time Home Buying Guide.
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|