When the High Accuracy Power Meter (Option 19) is installed in your instrument, an Anritsu sensor can be used to make high accuracy power measurements. This high performance option provides true RMS measurements and accurate measurements for both CW and complex digitally modulated signals. Option 19 Power Sensors lists the Option 19 compatible Anritsu sensors.
Note
The Anritsu sensor is not included with Option 19. A high accuracy power sensor must be purchased separately.
Power values are displayed in both dBm and Watts. The Relative Power feature allows the display of power changes with respect to a desired reference value in both dB and % (percent). Limit values can be turned on as needed to indicate if a measurement is within or outside specified limits. Running Averages and a Max/Hold feature are also available.
The High Accuracy Power Sensor attaches to your instrument with the supplied cable.
The zeroing feature improves accuracy by removing measured system noise. Refer to Table: Power Range for Improving Accuracy via Zeroing to Remove Noise for the power range in which accuracy is improved. Calibration factors can be used to correct both efficiency and mismatch loss.
Power Range for Improving Accuracy via Zeroing to Remove Noise
Sensor
Power Range
PSN50
– 20 dBm to – 30 dBm
MA24106A, MA24108A, MA24118A, MA24126A
– 30 dBm to – 40 dBm
MA24104A, MA24105A
+ 3 dBm to + 13 dBm
Additional attenuators can be used to ensure that the power does not exceed the specified measurement range. The Enter Offset feature allows entering offset values for any cables and attenuators.