[time-nuts] Sine to LVDS

Javier Herrero jherrero at hvsistemas.es
Sat Sep 10 20:16:09 EDT 2011

El 10/09/2011 23:39, Jim Lux escribió:
> On 9/10/11 9:15 AM, Javier Herrero wrote:
>> Thanks, Magnus.
>> The phrase "The JPL units use a ua709-type operational amplifier to
>> allow a high switching speed with low noise" makes me thing a lot about
>> how the concepts "high switching speed" and "low noise" have changed
>> with time :)
> Ah.. the venerable 709.. As a kid fooling around with opamps in the 
> early 70s, I was SO happy when they came out with the 741 and didn't 
> have to deal with compensation.  Finally, circuits that weren't 
> oscillators!
I only heard of the 709 and saw some... I already started with the 741 
in the early 80s :) (both discovering our ages...)



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