[time-nuts] Stepping up the output of an OCXO

Stephan Sandenbergh stephan at rrsg.ee.uct.ac.za
Thu Feb 1 11:34:20 EST 2007

Hi Bill,

Judging by your question - that is probably something that I should do?

Considering that you'll attenuate the 5dBm signal to about 0dBm and then
amplifying it back up to about 10dBm. My gut tells me that by attenuating
the signal before amplifying it will raise the noise floor. (I wouldn't want
to ruin my -165dB noise floor)  However, I must confess that I'm new to RF
components and sinusoidal signals, so I might be argumenting completely

I guess I should do the math on that one.



On 2/1/07, Bill Hawkins <bill at iaxs.net> wrote:
> Have you investigated the concept of an attenuator, to use
> before the RF gain block?
> Bill Hawkins
> -----Original Message-----
> Stephan Sandenbergh wrote,
> "The easiest, of course, would be if there exists some integrated
> solution. I browsed through the list of RF gain blocks on the
> Mini-Circuits site - these little guys seem perfect for the job.
> However, the typical situation is that it amplifies by at least
> 10dBs while the maximum output of it sits at around 13dBm. 5dBm
> will thus more than saturate the poor thing."
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