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U3022AM42
Description
The Keysight U3022AM42 is a 16-Port test set used for multiport applications. The test
set can be connected to a 4-port PNA-X, providing a 20-Port network analyzer solution
for full crossbar measurements.
The U3022AM42 has the following key features:
• 16 test ports (3.5 mm male connectors)
• Low loss electro-mechanical RF switching
• Has External Source Path for Ports 1, 3-14
Frequency range of operation:
• 10 MHz to 26.50 GHz (Standard Opt 700)
• Keysight PNA compatibility with rear panel Test Set I/O interface for operational control.
The PNA requires the N-Port calibration option.
• The U3022AM42 is directly controlled by the PNA front panel controls or with an external
computer connected to the PNA GPIB port.
The N5242A/B PNA-X Network Analyzer will be referred to throughout this document as
the "PNA" or "Analyzer." The U3022AM42 will be referred to as the "Test Set."
The B-Model analyzers have the darker Keysight color format. The
Test Set color format has changed to match this Keysight color.
Measurement Application Notes
Low Loss DUT Measurements
Low loss trace stability is a product of switch repeatability and calibration technique. Low
insertion loss measurements exhibiting 0.15 dB of uncertainty is not uncommon.
Switch Configuration Command Speed
Systems configured with PNA or PNA-X series Network Analyzers will show compression at
the beginning of the frequency range when power level is increased. Typically, this will occur
when power level is increased above 5dBm. This occurs because the PNA and PNA-X
analyzers use couplers at the test port and the multiport extension test set has a directional
bridge at the test port. The PNA and PNA-X receivers are calibrated at the factory, and due to
the higher coupling factor, the coupler at low frequency, the receiver gain is set high to
compensate. The multiport test set directional bridge has a lower coupling factor at low
frequencies, which results in compression when power level of the PNA/PNA-X is increased.
We recommend you increase the receiver attenuation in the PNA and PNAX to reduce this
receiver compression issue.
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Keysight U3022AM42 User's and Service Guide
Description
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