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

[John Ackermann N8UR]

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Muldoon, Kelly (MN65) wrote:
> 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-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of time-nuts-request at febo.com
> Sent: Thursday, February 01, 2007 11:00 AM
> To: time-nuts at febo.com
> 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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> 
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> End of time-nuts Digest, Vol 31, Issue 2
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