N1923A Datasheet, PDF (7/19 Pages) Keysight Technologies – Wideband Power Sensors

07 | Keysight | 8990B Peak Power Analyzer and N1923A/N1924A Wideband Power Sensors - Data Sheet
Additional Features
Multi-pulse measurement
View, measure and analyze continuous pulse trains from power amplifier modules or
transmitters. The multi-pulse measurement feature allows continuously trigger and
capture up to 512 pulses. This feature also adds pulse-to-pulse measurement and
histogram distribution graph capabilities to the 8990B, which are crucial for testing RF
and the pulse-to-pulse stability of power amplifiers and transmitters.
Additionally, operators can use the multi-pulse measurement feature to analyze short
pulse with long off time or amplitude droop across the pulse train, or monitor the
stability of the pulse shape (via the histogram graph functionality).
Power-Added Efficiency math function
Calculate the Power-Added Efficiency (PAE) of power amplifiers and display instant
PAE traces onscreen with the 8990B. Power-Added Efficiency, a typical power analyze
measurement, is a measure of the power conversion efficiency – the percentage of DC
power converted to RF power in the power amplifier – of power amplifiers.
Reduce test costs and the number of test equipment needed with the 8990B; the peak
power analyzer measures RF power, voltage and current in a single solution box. The
8990B’s two RF input channels allow users to measure the RF power gain from the
power amplifier; using a DC current probe, scope probe or differential probe, they can
also measure the power amplifier’s voltage and current through the analog video input
channels. The 8890B’s PAE math function then uses the measurements from the RF and
analog video input channels to easily determine the PAE of the power amplifier.
Adjustable ETS threshold for wider bandwidth measurement
Measure peak and peak-to-average of 802.11ac wide bandwidth signal accurately with
the 8990B’s 160 MHz video bandwidth capability. The peak power analyzer can execute
power vs. time (PvT) measurements on an 80 MHz or 160 MHz 802.11ac signal by
adjusting the ETS threshold according to the burst length.
Operators can also use the zoom function to analyze and measure the preamble power
of the 802.11ac burst signal.