Verifying PDN in Time and in Frequency Domain
Määttä, Paavo (2023)
2023
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:amk-2023091325770
https://urn.fi/URN:NBN:fi:amk-2023091325770
Tiivistelmä
The aim of this thesis was to describe the main characteristics of power distribution network and
show ways to measure it in time and in frequency domain. Simulating PDN impedance with LTSpice
is also showed. Nokia Solutions and Network was the client for this thesis.
The thesis consists of background to work, main characteristics of PDN, instruments used in the
work, simulation and results and discussion. Used device to be measured was Nokia’s 5G radio
and measurements were taken in Nokia’s laboratory.
Results showed that using simultaneously time domain and frequency domain verification of PDN
is a good method but time consuming. Also using bandwidth limiting can be challenging because
of fast current transients. Verifying PDN only with VNA can be possible if the target impedance is
known.
show ways to measure it in time and in frequency domain. Simulating PDN impedance with LTSpice
is also showed. Nokia Solutions and Network was the client for this thesis.
The thesis consists of background to work, main characteristics of PDN, instruments used in the
work, simulation and results and discussion. Used device to be measured was Nokia’s 5G radio
and measurements were taken in Nokia’s laboratory.
Results showed that using simultaneously time domain and frequency domain verification of PDN
is a good method but time consuming. Also using bandwidth limiting can be challenging because
of fast current transients. Verifying PDN only with VNA can be possible if the target impedance is
known.