PXIe VNA Front Panel Tour

See Also

• Soft Front Panel Tour

Status LED

The following LED colors indicate the PXIe VNA status:

Green (solid) – Firmware is running but the PXIe VNA is NOT sweeping.

Green (blinking) - Each blink indicates a measurement sweep. The PXIe VNA may be sweeping faster than the indicator can blink.

Amber – Power is ON but the firmware is not running.

Red – A hardware error has occurred.

Off – Power is OFF.

Test Ports

All M937xA models are available with 2 test ports.

M980xA models are available with 2/4/6 test ports.

See data sheet for more information about the connector type and Input damage levels.

 Ref In / OUT

Ref In   To use a external reference signal, either one below is required. It is not detected automatically.

• From the soft front panel, click Setup > Internal Hardware >  External Reference to switch external/internal reference.

• From SCPI, use SENS:ROSC:SOUR.

Note:  The external reference on the PXI chassis can be used by using SENS:ROSC:SOUR command.

Ref Out  This connector outputs a 10 or 100 MHz frequency reference signal for use by other modules and test equipment.

See data sheet for more information about the connector type and Input/output levels.

100 MHz signal for Ref In and Ref Out is available from Reference menu or SCPI command.

Trigger Lines (M937xA)

Trig IN  When enabled, the module accepts signals on this connector which indicates that the external devices is ready to be triggered.

Trig OUT  When enabled, the module outputs signals on these connectors either before or after a measurement.

Trig Ready  When enabled, the module outputs a 'READY' signal on this connector to other devices. This indicates that the module is ready to be triggered.

Learn more about External Triggering

LO Out / LO In

For Daisy-chaining two or more modules. See the following information. See data sheet for more information about the connector type and Input damage levels. A 50 ohm terminations (p/n 1810-0118) is placed at the factory shipment.

• M937xA Installation Guide.

• M980xA, M938xA: https://www.keysight.com/find/m980xa-mm/

Ctrl M/Ctrl S (M980xA, M983xA)

For Daisy-chaining two or more modules for multi-port or I/O adapter.

M983xA Other Ports (R1 In, R2 In, A In, B In, R1 Out, R2 Out, A Out, B Out, Src X In, Src 1 In , Src 2 In, RF 1 Out, RF 2 Out, RF In, BB In)

See the Path Configurator (RF and IF) for internal block diagram.

The following ports on the M9837A and M9834-270 are connected with RF semi-rigid cables at the factory shipment.  These three cables must be connected at the service center calibration (performance test/adjustment)

• Src1 Out and RF In (Cable P/N: M9830-61601)

• Src1 In and RF 1 Out (Cable P/N: M9830-60602 for M9834A-270, M9830-61604 for M9837A)

• Src2 In and RF 2 Out (Cable P/N: M9830-60603 for M9834A-270, M9830-61605 for M9837A)

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