Datasheet

Page 3
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Figure 1. The X-Series power sensor offers real time measurement by measuring every consecutive pulse
without dead time.
External trigger in
SENSe:SWEep:APERture <20 µs to 200 ms>
TRIGger:DELay <–1.6 ms to 1 s>
X-Series Power Sensor Key Features
Broadband coverage for any modulated signal formats
The X-Series power sensor makes accurate average or time-selective average power
measurements of any modulated signal, and covers all common wireless signals such as LTE,
LTE-Advanced with 100 MHz bandwidth, and WLAN 802.11ac with 80/160 MHz bandwidth. A
4-path diode stack design with parallel data acquisition paths offers seamless range transition
with high accuracy and repeatability. This design enables all the diodes to operate in their
square law region, allowing the X-Series power sensor to function like thermocouple power
sensors to provide accurate average or RMS power for broadband modulated signals.
Widest dynamic range power sensor
The X-Series power sensor are power sensors with the widest dynamic range of 96 dB
(–70 dBm to +26 dBm). The 96 dB dynamic range enables accurate power measurements of
very low signal levels for a broad range of applications such as wireless chipset, power amplifier
and module manufacturing, satellite payload testing, test system or instrument calibration, and
radar pulse parameter measurements. The U2042/44/63 and L2061/62/63XA X-Series peak
and average power sensors are able to support up to 4 pairs of gate power measurements.
Super-fast measurement speed
The X-Series power sensor takes up to 50,000 super-fast readings per second (in fast/buffer
mode/ average mode), a ten times improvement over Keysight’s previous sensor offerings,
allowing test engineers to increase test throughput capacity and reduce cost of test especially
in high volume manufacturing environments such as mobile chipset manufacturing.
This measurement speed is fast enough to measure every continuous pulse without leaving
time gaps in between measurement acquisitions. While conventional sensors only provide a
snapshot of continuous pulses, leaving dead time where a glitch could slip by unnoticed, the
X-Series power sensor measures continuously in real time and keeps pace with very fast pulses,
up to 10 kHz PRF. Users are also able to fully control which portion of the signal is measured
and what throughput they can expect because the aperture duration precisely defines the
maximum measurement speed as 1/aperture duration. For example, setting the aperture
duration to 20 μs offers 20 μs of measurement time per reading, equaling a measurement
speed of 50,000 readings per second.