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Old 20th March 2003, 10:36 AM   #11
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I would just like to add to tha point which has already been noted here:

TCXO will be very unlikely to provide better jitter performance than a regular XO.

In my experience (which sadly is mostly from reading not all that much practical experience), Valpey Fisher is one company that make great products (ranging from standard XO through VCXO, TCXO, VTCXO, all in various configurations including ECL ...) + they are exceptionally nice people which is not something that can be said about all other high-end oscillator manufacturers.

Petter
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Old 25th March 2003, 04:16 AM   #12
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Default Why TCXO?

Any reason why it has to have temp comp??????????

Jocko
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Old 25th March 2003, 04:47 AM   #13
haldor is offline haldor  United States
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Default Re: Why TCXO?

Quote:
Originally posted by Jocko Homo
Any reason why it has to have temp comp??????????

Jocko
Standard audiophile answer. It costs more, it has to be better.

Phil
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Old 25th March 2003, 09:23 AM   #14
omar is offline omar  United States
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Quote:
Originally posted by alvaius
There is no guarentee that a TCXO will have low jitter. Sometimes there are a bit higher quality, but no guarentee. A TCXO guarentees an accurate frequency over temperature, but does not guarentee low cycle to cycle jitter which is what I think you want to accomplish. Just a thought you may want to look into. As opposed to PPM spec, look for a pk-pk or RMS jitter spec.

Good luck in your design.

Alvaius
alvaius:
What is your advice for attenuating the jitter for DAC?
My DAC digital reciver is CS8412 and digital filter is SM5842.
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Old 25th March 2003, 10:00 AM   #15
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Quote:
What is your advice for attenuating the jitter for DAC?
Design a decent front end. Do not connect the RX chip directly to the line.

Jocko
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Old 25th March 2003, 11:42 AM   #16
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Jocko, where have you been off-line so long

Cool TCXO oscillators check

www.rakon.com
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Old 25th March 2003, 02:34 PM   #17
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Default Away on "bidnis".........

Family bidnis..............

Jocko
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Old 26th March 2003, 09:32 PM   #18
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Quote:
Originally posted by omar


alvaius:
What is your advice for attenuating the jitter for DAC?
My DAC digital reciver is CS8412 and digital filter is SM5842.


Take a look at our sollution

http://members.chello.nl/~m.heijlige...tml/dactop.htm

it uses a secondary PLL with low jitter VCXO

enjoy
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Old 27th March 2003, 09:16 PM   #19
omar is offline omar  United States
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Quote:
Originally posted by Jocko Homo


Design a decent front end. Do not connect the RX chip directly to the line.

Jocko
hi, Jocko Homo
Could you say more clearly?
Or any data can offer?

Thank you
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Old 27th March 2003, 09:52 PM   #20
Cobra2 is offline Cobra2  Norway
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Default Jocko...

sayz: no direct connection, Fred sayz: (pulse) trafos are ****...
Please enlighten us in this matter...
How do we connect our darn inputs?

Arne K
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