Keysight N9038A MXE Service Guide 399
Optional Assemblies
A30 LISN Control Assembly Description
A30 LISN Control Assembly Description
A30 LISN Control Assembly Purpose
The A30 LISN Control assembly has only one purpose, to control an external
Line Impedance Stabilization Network (LISN). This is a device used for making
conducted emissions measurements.
A30 LISN Control Assembly Description
The output of the A30 LISN Control assembly is an eight bit parallel control
bus, as well as two DC voltage supplies. This output (J1) is connected to the
AUX I/O port on the instrument rear panel by ribbon cable W9.
The instrument user has control of an external LISN from the EMI Receiver
mode under either the Mode Setup or Meas Setup menus. For troubleshooting
purposes there is a control menu for this assembly on the Service Menu. See
Chapter 16, “Service and Diagnostics Menus” for more information on this.
A30 LISN Control Assembly Connections
The connections to and from the A30 LISN Control assembly are as listed in
Table 14-3 and as illustrated in Figure 14-8.
Table 14-3 A30 LISN Control Assembly Connections
Port Description To/From Cable
J1 Control Output Rear Panel AUX I/O W9
J2 JTAG Programming n/a n/a
J3 Bias and Control A8 Motherboard J51 n/a
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