Passive intermodulation pim is a form of intermodulation distortion that occurs in passive components such as antennas cables connectors or duplexers with two or more high power input signals.
Pim measurement procedure.
The pim master will overlay the active trace site pim with the stored trace pim marker and automatically insert a delta marker showing the relative distance between the two dtp peaks.
Kaelus test and measurement products are used in design manufacturing and rf wireless solutions.
Test and measurement solutions.
This measurement process tests real world pim scenarios such as self generated pim caused when multiple 15 khz subcarriers making up the lte signal mix and create intermodulation as well as 2nd and 3rd order harmonics e g 850 mhz downlink interfering with the 1700 2100 aws uplink or the 900 downlink interfering with the 1800 2100 uplink.
It is important to remember that they are two independent tests consisting of mostly unrelated parameters that are testing opposite performance conditions within a cellular system.
Jeff mucci ceo and editorial director rcr wireless.
The objects include two rf cables a coupler and the pim analyzer itself.
Summitek pim measurement procedure v1 1 free download as pdf file pdf text file txt or read online for free.
Kaelus offers 2 series of portable pim analyzers and a full line of pim testing accessories.
The ipa pim analyzer a light weight battery powered unit is the most popular pim testing analyzer on the market as well as the 40w ipa series used primarily in external pim testing.
Passive intermodulation pim measurement.
Our test and measurement portfolio includes cable and antenna analyzers and pim test equipment.
The pim test is a measure of system linearity while a return loss measurement is concerned with impedance changes.
Impact of test frequency selection on the magnitude of pim produced procedures for testing sites with frequency limiting components moderator.
The pim source at least 3 m behind or below the antenna.
Re measure dtp on the antenna system with the strong pim source removed.
Kaelus also offers pim training and pim certification courses.
Further details on the use of personal data and the withdrawal procedure are set out in.
A piece of steel wool in front of the antenna can be used as a marker to determine if the pim occurs before or after the antenna.
Pim in the transmission path degrades quality of the wireless communication system.
