Rohde & Schwarz 1173.8709K02, User Manual

Page: 18 / 123

Power sensor tour
R&S
®
NRPxxTWG
18 User Manual 1178.8371.02 ─ 08
4 Power sensor tour
This chapter provides an overview of the available connectors and LEDs of the power
sensor.
1
2 3
4
Figure 4-1: R&S NRPxxTWG power sensors (example)
1 = RF connector, see Chapter 4.1, "RF connector" , on page 18
2 = Status LED, see Chapter 4.2, "Status information" , on page 19
3 = Host interface connector, see Chapter 4.3, "Host interface" , on page 19
4 = Trigger I/O connector, see Chapter 4.4, "Trigger I/O connector" , on page 19
4.1 RF connector
The RF connector is used for connecting the power sensor to a device under test
(DUT) or a signal generator. See
Chapter 3.4, "Connecting to a DUT" , on page 12.
For maximum measurement accuracy, tighten the RF connector using a torque wrench
with a nominal torque as specified in the following table.
Table 4-1: R&S NRPxxTWG RF connector characteristics
Power sensor Male
connec-
tor Matching
female con-
nector Frequency range Tightening torque*
R&S NRP75TWG WR-15 WR-15 50 GHz to 75 GHz
0.58 Nm (5'' lbs) R&S NRP90TWG WR-12 WR-12 60 GHz to 90 GHz
R&S NRP110TWG WR-10 WR-10 75 GHz to 110 GHz
* Use the torque wrench for waveguide flanges, R&S ZCTW, part number 1175.2014.02.
RF connector