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Agilent E7495 linux root account

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TheSteve:
I've lowered the gen frequency on its big brother the N1996A and it works fine but I don't have an E7495A to experiment with.

RCHRDM:
That's great!  Can you say how you did that?

Richard
AE6XO

kk6ioz:
Regarding "I've lowered the gen frequency on its big brother the N1996A and it works fine but I don't have an E7495A to experiment with."

Could you describe what "it works fine" means? have you done 2-port or 1-port measurements at a lower frequency range (let's say 1MHz or 10MHz) and have you compared the measurement with other VNA?

Do you remember what exact file and parameter you have changed?

TheSteve:

--- Quote from: kk6ioz on June 13, 2018, 06:28:17 pm ---Regarding "I've lowered the gen frequency on its big brother the N1996A and it works fine but I don't have an E7495A to experiment with."

Could you describe what "it works fine" means? have you done 2-port or 1-port measurements at a lower frequency range (let's say 1MHz or 10MHz) and have you compared the measurement with other VNA?

Do you remember what exact file and parameter you have changed?

--- End quote ---

The biggest difference is that the N1996A gen out starts at 10 MHz when stock. I lowered it to 1 MHz and it still normalized fine. Its performance was just fine for return loss measurements of HF antennas.

PA0PBZ:

--- Quote from: TheSteve on June 13, 2018, 06:46:44 pm ---The biggest difference is that the N1996A gen out starts at 10 MHz when stock. I lowered it to 1 MHz and it still normalized fine. Its performance was just fine for return loss measurements of HF antennas.

--- End quote ---

That. There is a model description file in the N1996A firmware that lists the frequency range of the freq generator. If you change the starting freq from 10 to 1 MHz it will obey.

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