Spectrum analyzer + tracking generator is essentially an S21-only scalar
network analyzer. The VNA is a more complete and versatile instrument.
Orin
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Mikhail Matusov
Sent: Tuesday, November 03, 2015 1:31 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] PDN impedance measurements
Hi gurus,
Please forgive my ignorance, but could someone enlighten me on what are the
limitations of the PDN impedance measurement method using a spectrum
analyzer and tracking generator as described by Lee Ritchey in his "Right
The First Time" book compared to using a VNA as described for example in
Istvan Novak's "Frequency-Domain Power-Distribution Measurements - An
Overview" paper? I don't have practical experience with network analyzers
but very familiar with the spectrum analyzers hence the question.
Thanks,
/Mikhail
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