[time-nuts] Replacement High-Speed AOP for Distribution Amplifier
Ulrich Bangert
df6jb at ulrich-bangert.de
Tue Apr 7 06:46:37 UTC 2009
Samuel,
from the "high isolation" point of view an AD8007 may be a good choice if
you are out for a chip based design. If you consider a discrete design,
follow Bruce's "low noise pages".
Best regards
Ulrich
> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Samuel D. [x86/CPC]
> Gesendet: Montag, 6. April 2009 16:00
> An: time-nuts at febo.com
> Betreff: [time-nuts] Replacement High-Speed AOP for
> Distribution Amplifier
>
>
> Hi there,
>
> I'm working on a new GPS-Disciplined Rubidium Frequency
> Standard and I'm now designing the distribution amplifier
> stage. There is many schematics everywhere on the Internet,
> the most famous is the TADD-1 reviewed by the not-less-famous
> TVB. Almost all of them use high-speed Op Amps originally
> designed for video processing. The most common AOP are the
> MAX477 (used in
> TADD-1) and the MAX4135. Unfortunately, both of them are now
> obsolete and will be discontinued soon. I checked Digikey and
> Farnell, but those parts are not available anymore, so, I'm
> looking for an equivalent (or better!) replacement.
>
> Any hints ?
>
> PS : A French member of that list, Daniel, contacted me some
> weeks ago. Due to a corrupted Outlook file, I lost your
> contact and wasn't able to keep in touch with you. Please
> send me an email if you read this ;)
>
> ---------------------
> Samuel DEMEULEMEESTER
> Presse Non Stop - Canard PC
> http://www.canardpc.com
> Tel : +33.6.13.73.4003
> MSN : sam at x86.fr
>
>
>
>
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