[Test-Equipment] Spectrum Analyzer
Pete Lancashire
pete at petelancashire.com
Tue Dec 22 14:05:16 EST 2015
Add a DC block to you mix, or is this thing AC coupled ?
-pete
On Tue, Dec 22, 2015 at 10:49 AM, Fuqua, Bill L <wlfuqu00 at uky.edu> wrote:
> Most important is to have some good attenuators.
> These are to protect the mixer input. It should never exceed 100mW or 100
> VDC.
> However, things are not always what they seem. A 10 dB broad band
> attenuator on the
> input could save your spectrum analyzer in case of a dropped cable that
> falls where it
> shouldn't or connected to the wrong device. 20 dB even better. Until you
> get very used
> to using it. An attenuator is also good idea when connecting to an outdoor
> antenna.
> While disconnected it may obtain a good charge of electricity on the feed
> line. That
> discharging directly into the analyzer could bad. A smoked
> attenuator is better than a fried mixer.
> If you are going to check a transceiver, don't trust that you have the
> power setting right.
> Have lots of attenuation between the transceiver and your spectrum
> analyzer. A directional
> coupler or capacitive pick-off will serve this purpose.
> 73
> Bill wa4lav
>
> ________________________________________
> From: Test-Equipment [test-equipment-bounces at mailman.qth.net] on behalf
> of Brian Heise [heise4radio at hotmail.com]
> Sent: Tuesday, December 22, 2015 12:15 PM
> To: Test-Equipment at mailman.qth.net
> Subject: [Test-Equipment] Spectrum Analyzer
>
> Hey All,
> I have just acquired a Tektronix 2712 and have not owned
> an SA up to now. My question is this what precautions / equipment do
> you all take to protect your analyzers? Also, what tools do you use to
> assist you in using the SA and the sources for those tools. The follow
> up question is this : What tips and tricks would you all like to share
> with a new owner? My initial primary uses will be making NRSC
> measurements and receiver tuning. I am also open to finding new (and
> cool) uses for it as well.
>
> Thank you in advance for your responses.
>
> Regards,
> Brian
> ______________________________________________________________
> Test-Equipment mailing list
> Home: http://mailman.qth.net/mailman/listinfo/test-equipment
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Test-Equipment at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> ______________________________________________________________
> Test-Equipment mailing list
> Home: http://mailman.qth.net/mailman/listinfo/test-equipment
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Test-Equipment at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
More information about the Test-Equipment
mailing list