R&S 1444.1190K02, User Manual

Page: 13 / 152

Preparing for use
R&S
®
NRPxxP
13 User Manual 1179.5760.02 ─ 02
180
NRP
3-Path Diode Power Sensor
MHz to GHz, 100 pW to 200 mW (−70 dBm to +23 dBm)
SMART SENSOR TECHNOLOGY
4.
NOTICE! Risk of damaging the center pin of the RF connector. Only rotate the hex
nut of the RF connector. Never rotate the power sensor itself.
Tighten the RF connector manually.
5. Tighten the RF connector using a torque wrench with the nominal torque recom-
mended in Chapter 4.1, "RF connector" , on page 18 to ensure maximum mea-
surement accuracy.
To disconnect from the DUT
1. NOTICE! Risk of damaging the center pin of the RF connector. Only rotate the hex
nut of the RF connector. Never rotate the power sensor itself.
Carefully loosen the union nut at the front of the RF connector of the power sensor.
2. Remove the power sensor.
3.5 Powering the power sensor
The electrical power for the R&S NRPxxP is supplied over the host interface. See
Chapter 4.3, "Host interface" , on page 19.
3.6 Connecting a cable to the host interface
For connecting the power sensor to a USB host, use the host interface. See Chap-
ter 4.3, "Host interface" , on page 19.
Depending on the USB host, use one of the following cables:
●
Computer or R&S NRP
‑
Z5 sensor hub:
R&S NRP
‑
ZKU cable with a USB connector
See Chapter 3.7.1, "Computer" , on page 14.
●
Base units or other supported Rohde & Schwarz instruments:
R&S NRP
‑
ZK6 cable with a push-pull type connector
See Chapter 3.7.2, "Base unit" , on page 17.
These cables can be obtained in different lengths up to 5 meters. The order numbers
are provided in the data sheet.
To connect a cable to the host interface of the power sensor
1. Insert the screw-lock cable connector into the host interface connector of the power
sensor.
Connecting a cable to the host interface