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Auto-switching system for testing PIM and S-Parameters in passive devices
Passive Intermodulation distortion (PIM) is a critical parameter in wireless communications systems due to the use of higher RF transmission power, multiband operation with a shared common antenna, or wider bandwidth signals with higher probability of PIM in the receiver band.
Comprehensive testing of passive devices requires the measurement of intermodulation distortion (PIM) and full S-parameter characterization.
Traditionally this requires separate test routines with the repeated connection and disconnection of devices, sometimes taking longer than the test routines themselves.
Rflight provides a combined S-parameter and PIM test system based on its established PIM test solution. The system utilizes the latest generation of Keysight Vector Network Analyzer (VNA), the E5072A.
Rflight’s active and passive equipment, low intermodulation RF switch matrix and automated software allows single port testing of S-parameters and PIM.
The test system gives access to the test ports of the internal receiver and signal source, located at the front panel. During PIM and S-parameter testing, it is not necessary to change the OUT physical connection.
One time OUT connection and disconnection facilitates both PIM and S-parameter testing, greatly improving manufacturing efficiency.
The test system has outstanding RF performance suitable for high speed sweep, the frequency sweep function does not require extra time to control ancillary equipment, resulting in greatly reduced time for PIM sweep test.
The test system also has an accurate power calibration function to compensate for the power amplifier’s output power changes.
The Rflight PIM and S-parameter test system offers better performance with lower cost, when compared with conventional approaches.
The system provides flexible configuration, fast test speed, excellent accuracy, logical design, easy operation, easy upgrade, high reliability, and is an ideal replacement for current PIM test system.
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