Antenna analyser

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Drachenfrucht
Posts: 34
Joined: Fri Mar 18, 2016 12:18 am

Re: Antenna analyser

Post by Drachenfrucht » Fri Oct 27, 2017 7:10 pm

I have a question:

when we use Pavels' VNA application which jumper setting should we set at IN1 port ? The default setting is LV (LowVoltage). There is also the option to use HV (HighVoltage) or even jumper settings 2-5 to bypass the attenuator.

Should one use LV or 2-5 jumper setting to bypass the attenuator? What is best and suggested ?

Drachenfrucht
Posts: 34
Joined: Fri Mar 18, 2016 12:18 am

Re: Antenna analyser

Post by Drachenfrucht » Sat Nov 04, 2017 9:01 pm

noone?

sq3rx
Posts: 2
Joined: Thu May 17, 2018 9:45 am

Re: Antenna analyser

Post by sq3rx » Thu May 17, 2018 9:47 am

Can anyone suggest jumper position during VNA operation ?

pavel
Posts: 516
Joined: Sat May 23, 2015 5:22 pm

Re: Antenna analyser

Post by pavel » Thu May 17, 2018 10:49 am

sq3rx wrote:
Thu May 17, 2018 9:47 am
Can anyone suggest jumper position during VNA operation ?
The LV position should be OK.

sq3rx
Posts: 2
Joined: Thu May 17, 2018 9:45 am

Re: Antenna analyser

Post by sq3rx » Thu May 17, 2018 11:48 am

I am wondering is it safe to use it with baypass. :idea:
I use RP as skimmer serwer with metal case, so open it every time when I need to use vna is difficult.
Or maybe I can change default VNA port for IN2 ?

pavel
Posts: 516
Joined: Sat May 23, 2015 5:22 pm

Re: Antenna analyser

Post by pavel » Thu May 17, 2018 11:54 am

sq3rx wrote:
Thu May 17, 2018 11:48 am
I am wondering is it safe to use it with baypass.
It should be safe if you set Level to -12 or -18 dB. Adding an attenuator to OUT1 could be also a solution.

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