[SI-LIST] Re: DAC clock
- From: "Mikhail Matusov" <matusov@xxxxxxxxxxxx>
- To: "SI-List" <si-list@xxxxxxxxxxxxx>
- Date: Tue, 27 Jun 2006 10:24:55 -0400
Marimuthu,
> Can you suggest
> some clock sources to provide the input clock to this DAC
AD9510 is one example.
> and what is =
> the use
> of dedicated clock out pins in this DAC? Should we use this clock out =
> pins?
It is usually used to drive the input data interface. Watch the spurious
produced by this clock....
> Currently we are using VCO190-1200MHz with PLL as a input clock source. =
> Can
> anybody tell the fan-out of VCO and how to calculate that?=20
Most of the VCOs are designed to drive a 50 Ohm load. When used as clock
sources they are usually followed by some sort of a driver, PECL being the
most common.
=======================
Mikhail Matusov
Hardware Design Engineer
Square Peg Communications
Tel.: +1 (613) 271-0044 ext.231
Fax: +1 (613) 271-3007
http://www.squarepeg.ca
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