Hi Lamont
According to the HP 3586 user manual the B variant already has a BNC input that is switchable between 50 and 75 Ohms.
The A and B variants were teleco "specials" the C variant was the general use one, however it is quite possible that your B may not be as the manual and was customised for a specific client.
A by far larger problem with 3586's is the NiCad ram backup battery which leaks and contaminates/corrodes the PCB edge connector, this must be the first check that you do.
73 George G6HIG
________________________________________
From: hp_agilent_equipment@... <hp_agilent_equipment@...> on behalf of nojunk@... [hp_agilent_equipment] <hp_agilent_equipment@...>
Sent: 13 October 2017 17:14
To: hp_agilent_equipment@...
Subject: [hp_agilent_equipment] Just purchased HP 3586B--EBAY
I waiting to get it, I 'm pretty excited, but also concerned it will need repair.
In the listing I note is the display has error code of CE-1. The manual says,
"Operator error, Attempt made to Manualy change the FULL SCALE while in Auto Range"
So I hope that is not a real problem.
I will be changing the WECO input connectors to BNC. I note the unit is 75 ohm, I'll be working with
50 ohms.Is it wise to put a 50 ohm to 75 ohm L pad internal when I install the BNC connector?
And then note, "all measurements are MINUS5.72 DB".
What would I add/subtract if I just plugged a 50 source into the 75 ohm input?
Thanks, Lamont
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