Using a Rhode FSH6 Tracking Generator

J

jeryray

#1
#1
Hope this is the correct forum.

I am tuning a duplexer and when using a Rhode VNA (ZVL) model, I show a-95db notch.

When using a Rhode FSH6 tracking generator (not VNA) I see max -65, -70 Max

So my question is am I running ot of headroom?

I measured the output on the FSH at -10dbm, Analyzer screen show up to -95 db, but all I can get is -70 or so.

Anyone confirm the fsh dynamic range?

And of course I checked all setting sweep time, bandwidth, Same results

TIA
 
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D

dwperron

Trusted Information Resource
#2
#2
A quick look at the specifications might solve the problem:

The FSH6 has a Dynamic Range of 66 dB typical, that sounds like what you are getting for results.

The ZVL has a Dynamic Range specification of >105 dB for frequencies >7 MHz
 
J

jeryray

#3
#3
OK, got it.

Purchasing a ZVL, had one on demo.

Old design, but has a lot of features and it's portable enough.

The Agilent are better faster, but to big to carry around.

The ZVL has been through lots of changes, latest has a DVI out.

Still waiting to get photos on the piece I am getting.

Thanks again.
 
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