[SI-LIST] LVPECL to 1.8V HSTL Conversion
- From: "Jineshwari B - CTD, Chennai." <JineshwariB@xxxxxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 28 Oct 2002 20:08:35 +0530
Hello SI Experts,
In one of the app notes I saw a LVPECL to 1.8V HSTL Conversion as detailed
below,
o(3.3V) o(1.8V)
| |
/ /
\ \
/ (127 ohms) / (100 ohms)
\ \
(P) | |
------ |-----------------| |------------------ |
----------------------------------------------(HSTL Output)
/ (AC Coupled) /
\ \
/ (82.5ohms) / (100 ohms)
\ \
| |
------ ------
--- --
o(3.3V)
|
/
\
/ (127 ohms)
(N ) \
------|
\
/ (82.5ohms)
\
|
-----
--
Does this conversion have any disadvantages. Should we take care of
anything.
Regards,
JJineshwari.B
-
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