Anritsu VectorStar MN4690B Series User manual

Quick Start Guide
VectorStar™ MN4690B Series
Multiport VNA Test Set
VectorStar MN4694B, K Connectors for the MS4642A or MS4644A VNA
VectorStar MN4697B, V Connectors for the MS4645A or MS4647A VNA
This quick start guide provides a brief overview of the MN4690B Multiport VNA System assembly. Refer to the
VectorStar™ MN4690B Series Multiport VNA Test Set Installation Guide, PN: 10410-00290, found on the
CD-ROM, for important safety and compliance information and for more details about the assembly,
configuration, setup, and initial equipment test.
1. Installing the Instruments
Figure 1. MS4647A VNA and MN4697B Test Set System Overview
Anritsu Company
490 Jarvis Drive
Morgan Hill, CA 95037-2809
USA
Part Number: 10410-00290
Revision: A
Published: October 2009
Copyright 2007-2009 Anritsu Company

QSG-2 PN: 10410-00290 Rev. A MN4690A QSG
2. Connecting the Front Panel Cabling
The illustration below shows the front panel connections between the Test Set and VNA.
1. Place the VNA on top of the test set as shown above.
2. Disconnect the front panel RF cable loops from VNA ports b1 and b2 and any cables that are connected
from VNA Port 1 and Port 2.
3. Using the four provided RF (K or V) male-to-male cables, or other semi-rigid or phase-stable male-to-male
RF cables:
a. Connect the Test Set To VNA b1 output port to the far left VNA b1 input port.
b. Connect the Test Set To VNA b2 output port to the far right VNA b2 input port.
c. Connect the Test Set To VNA Port 1 Source OUTPUT port to the VNA Port 1 Source output port.
d. Connect the Test Set To VNA Port 2 Source OUTPUT port to the VNA Port 2 Source output port.
Figure 2. Front Panel Test Set Connections
Power
Port 1 Port 2 Port 3 Port 4
To VNA
b1
To VNA
b2
+23 dBm max
+40 VDC max
+23 dBm max
+40 VDC max
+27 dBm MAX AVOID STATIC DISCHARGE
ALL PORTS: CAUTION
Standby Operate
Frequency
Power
Sweep
Avg
Response
Display
Scale
Marker
Channel
Trace
Measurement
Calibration
Application
File
System
Help
Preset
To VNA
Port 1 Source
OUTPUT
To VNA
Port 2 Source
OUTPUT
1
3
2
2
33
3

MN4690A QSG PN: 10410-00290 Rev. A QSG-3
3. Connecting the Rear Panel Cabling
The illustration below shows the rear panel connections between the Test Set and VNA.
1. Connect a standard one meter GPIB cable — Anritsu PN: 2100-1 shipped with the test set — using the
VNA rear panel Dedicated GPIB connector to the Test Set GPIB connector as shown above.
2. Disconnect the four SMA loops from VNA ports b1,b2,Port 1 Src, and Port 2 Src.
3. Using the two provided RF (SMA) longer male-to-male cables, or other semi-rigid or phase stable
male-to-male RF cables, connect the Test Set To VNA b1 output port to the VNA b1 upper input port.
Install the second cable between the Test Set To VNA b2 output port to the VNA b2 upper input port.
4. Using the two provided RF (SMA) shorter male-to-male cables, connect the Test Set To VNA Port 1 Src
Output port to the VNA Port 1 Src lower output port. Install the second cable between the Test Set To
VNA Port 2 Src Output port to the VNA Port 2 Src lower output port.
5. Finally, connect the AC Power Cords to the VNA and the Test Set and then to the AC Mains.
Figure 3. Rear Panel Cabling
~ LINE INPUT
FUSES
P1 P2 P3 P4
IEEE 488.2 GPIB
ADDRESS
168421TLS
1
34
5
22
1
5
34
P1
BIAS
P2
BIAS
P3
BIAS
P4
BIAS
To VNA
b1 Input
To VNA
b2 Input
To VNA
Port 1 Src
Output
To VNA
Port 2 Src
Output

QSG-4 PN: 10410-00290 Rev. A MN4690A QSG
4. GPIB Address Settings
The MN4690B Series Test Set GPIB address must match the GPIB address set on the VNA and is set on the
Test Set by rear panel Dual Inline Package (DIP) switches. The factory default GPIB address is 16 (where
Switch 1 = ON or up and all other switches OFF or down). The GPIB address on the VNA can be verified by
navigating to the REMOTE INTER menu and the Multiport Test Set button.
•Navigation: MAIN | System | SYSTEM | Remote Interface | REMOTE INTER | Multiport Test Set
5. Power Up Sequence
1. Make sure all of the cables are properly installed as illustrated in the previous sections.
2. Turn on the Test Set prior to launching the VNA application on the VNA. The VNA can be powered on,
but the VectorStar application must be off.
3. Once the Test Set is on, launch the VNA application. During the launch sequence, the VNA application
recognizes the Test Set on the GPIB bus and is configured for 4-port mode. If the VNA application is
powered up and launched before the test set, the VNA application will stay in 2-port mode and only
2-port mode features and functions will be available.
4. If the 4-port functions fail to appear, exit the VNA application by selecting from the VectorStar Menu
Bar: File | Exit and clicking Yes in the resulting dialog box.
5. After the Windows desktop appears, launch the VNA application by doing one of the following:
a. On the desktop, click the VectorStar icon. If the VNA was running in 100,000 point mode, the icon
is annotated with “100K”.
b. If running in 25,000 point mode, select Start | All Programs | VectorStar | VectorStar.
c. If running in 100,000 point mode, select Start | All Programs | VectorStar_100K | VectorStar.
Figure 4. MN4690B DIP Switches (Factory Default Setting)
Note Note that the VNA GPIB connection must be made to the VNA Dedicated GPIB connector and NOT
to the VNA IEEE-488.2 GPIB connector.
Note
The VNA application must be started AFTER the Test Set is connected and powered up. If the VNA
application is started before the Test Set, the VNA will remain in 2-port mode and the 4-port functions
will not be available. If this happens, exit the VNA application, make sure the Test Set is powered up,
and launch the VNA application.
16 8 4 2 1 T L S