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Agilent N1996A LF operations.
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wd5jfr:
The system screen indicates that all options are installed and it covers 100kHz to 6GHz.  I want to sweep some 455 kHz IF filters and I can't set the Start Frequency below 10 mHz. It automatically goes to 10 mHz for any number below 10 mHz.  I hope it's me doing something incorrectly and not the CSA! Any guidance appreciated. Thanks
Hank
chilternview:
I believe that the stimulus/response unit on that model only goes from 10MHz up, so you may be out of luck.
TheSteve:
Correct, the return loss bridge is not spec'd for operation below 10 MHz. That doesn't mean the firmware can't be "tweaked" though.  >:D
wd5jfr:
Hey Steve
Thanks for the response and now for 3 questions.
!.  How did you get down to 7 mHz?
2.  What does the 100 kHz spec mean as far as when and how can the CSA be used at 100mHz?
3.  I just want to sweep the filter which with a SA doesn't  require a  RLB, so can it be configured to do a sweep without its RLB?
Thanks
Hank
TheSteve:
The Spectrum Analyzer is spec'd to 100 kHz. The signal source begins at 10 MHz. I have used it lower but I don't recall how low I had it operating as it was quite a few years ago now. The instructions on how to alter the freq range are in a post on this forum somewhere. I recall you need to login via telnet and then edit a text file.
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