[time-nuts] time-nuts Digest, Vol 31, Issue 2

[Muldoon, Kelly (MN65)]

Please remove me so I don't get emails anymore.

Thank You,
Kelly

____________________________Honeywell                              
Kelly Muldoon 
Senior Research Scientist
Network Centric Systems
Honeywell Aerospace- Advanced Technologies 
3660 Technology Drive        
Minneapolis, MN 55418 USA 
*      1-612-951-7879
*      1-612-951-7438 
* kelly.muldoon at honeywell.com  
 
-----Original Message-----
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Sent: Thursday, February 01, 2007 11:00 AM
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Subject: time-nuts Digest, Vol 31, Issue 2

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Today's Topics:

   1. Re: Stepping up the output of an OCXO (Bill Hawkins)
   2. Re: Stepping up the output of an OCXO (Stephan Sandenbergh)


----------------------------------------------------------------------

Message: 1
Date: Thu, 1 Feb 2007 10:20:13 -0600
From: "Bill Hawkins" <bill at iaxs.net>
Subject: Re: [time-nuts] Stepping up the output of an OCXO
To: "'Discussion of precise time and frequency measurement'"
	<time-nuts at febo.com>
Message-ID: <000101c7461c$da52da40$0900a8c0 at cyrus>
Content-Type: text/plain;	charset="us-ascii"

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."




------------------------------

Message: 2
Date: Thu, 1 Feb 2007 18:34:20 +0200
From: "Stephan Sandenbergh" <stephan at rrsg.ee.uct.ac.za>
Subject: Re: [time-nuts] Stepping up the output of an OCXO
To: "Discussion of precise time and frequency measurement"
	<time-nuts at febo.com>
Message-ID:
	<ca708d410702010834t53b42f08q7f14af6c2d8632c6 at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

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
wrong.

I guess I should do the math on that one.

Regards,

Stephan.


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."
>
>
> _______________________________________________
> time-nuts mailing list
> time-nuts at febo.com
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>


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End of time-nuts Digest, Vol 31, Issue 2
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