[time-nuts] Replacement High-Speed AOP for Distribution Amplifier

Ulrich Bangert df6jb at ulrich-bangert.de
Tue Apr 7 06:46:37 UTC 2009


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

> -----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 ;)
> ---------------------
> Presse Non Stop - Canard PC
> http://www.canardpc.com
> Tel : +
> MSN : sam at x86.fr 
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to 
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.

More information about the time-nuts mailing list