[time-nuts] Phase measurement of my GPSDO

[Charles Steinmetz]

Gerhard wrote:

> Has anybody here  ever tried the OPA698 / OPA699 limiting op amps?
> A lower 1/f corner would be appreciated, and slightly less noise.

I haven't used the TI parts, but I have used the similar AD parts 
(AD8036/8037) quite a bit, with excellent results.  The input noise is 
lower than the TI parts', and the 1/f corner is much lower (low 100s of 
Hz as opposed to above 10kHz for the OPA698/699).

Best regards,

Charles