User`s guide

3-6 Chapter3

Theory of Operation and Troubleshooting

Troubleshooting

This section only covers troubleshooting techniques for the three-port

test set with the 3PORT mode off. To turn the 3PORT mode off, press

System, CONFIGURE MENU, OPTION HXX CONFIG, 3PORT MODE and toggle

to OFF. For information on troubleshooting other portions of the analyzer,

refer to the standard documentation.

Required Equipment

Description Model Number or Part Number

Calibration Kit, 50Ω Type-N 85032B

Power Meter 436A, 437A, 438A

Sensor 8481A

RF Cable 50Ω Type-N (m) to (m) part number 8120-4781

Table 3-1 Test Set I/O Port Parameters

Measurements Ports and Port

Paths

S-parameters

Under Meas

Test Set

I/O Setting

Test Set

I/O Setting

FWD REV

Reﬂection 1) Port 1 S

7 ---

2) Port 2 S

3) Port 3 S

--- 7

Transmission 4) Port 1-Port 3 S

, S

5) Port 2-Port 3 S

, S

6) Port 1-Port 2 S

, S