Keysight Technologies 34946A User Manual
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Keysight Technologies 34946A User Manual

Microwave switch/driver modules
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User Guide
Microwave Switch/Driver
Modules 34946A-34947A

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Summary of Contents for Keysight Technologies 34946A

  • Page 1 User Guide Microwave Switch/Driver Modules 34946A-34947A...
  • Page 3 WITHOUT NOTICE, IN FUTURE EDI- without prior agreement and written con- ment of Defense FAR Supplement TIONS. FURTHER, TO THE MAXIMUM sent from Keysight Technologies, Inc. as (“DFARS”) 227.7202, the U.S. govern- EXTENT PERMITTED BY APPLICABLE governed by United States and interna-...
  • Page 4 If necessary, return instrument chassis and cover must be Operator is responsible to maintain the product to a Keysight Technologies connected to an electrical ground to safe operating conditions. To ensure Sales and Service Office for service and minimize shock hazard.
  • Page 5 Safety Symbols A CAUTION denotes a hazard. It calls attention to an operating pro- cedure or practice, that, if not cor- The CSA mark is a registered trade- rectly performed or adhered to mark of the Canadian Standards Asso- South Korean Class A EMC Declara- could result in damage to the prod- ciation and indicates compliance to tion.

  • Page 6: Table Of Contents

    Ferrite Supressor ..........8 34946A and 34947A Option 001 Installation ......... . 10 Fastening of 9-pin D-sub connector to the ribbon cable .

  • Page 7: 34946A And 34947A Dual/Triple Microwave Switch Modules

    Microwave Switch Modules The 34946A and 34947A modules provide single-pole, double-throw switches in 4 GHz, 20 GHz, and 26 GHz options. The 34946A and 34947A modules are also available with no switches installed, but include cable kits that allow you to connect switches internal/ external to the module chassis.

  • Page 8: Ferrite Supressor

    S. M. Electronics L.L.C. http://www.smelectronics.us The 34946A module (Options 004, 020, 026) has two independent Keysight N1810TL switches. These terminated 3-port 50-ohm switches are designed to maintain impedance matching. The 34947A module (Options 004, 020, 026) contains three independent Keysight N1810UL switches. These higher density 3-port switches are unterminated.
  • Page 9 34946A and 34947A Dual/Triple Microwave Switch Modules Removing the ferrite supressor If you mount the switches internally, you would not need the ferrite suppressor.You can remove it. To remove the ferrite supressor: 1 Press the pocket tabs. Pocket Tab Keysight 34946A-34947A Microwave Switch/Driver Modules User’s Guide...
  • Page 10 34946A and 34947A Dual/Triple Microwave Switch Modules 2 Rotate top half onto bottom clipping both sides in one smooth motion. 3 Remove the ferrite suppressor. Keysight 34946A-34947A Microwave Switch/Driver Modules User’s Guide...

  • Page 11: 34946A And 34947A Option 001 Installation

    34946A and 34947A Dual/Triple Microwave Switch Modules 34946A and 34947A Option 001 Installation Option 001 to the 34946A and 34947A is a 30-pin ribbon connector to 9-pin D-Sub connector cable kit. The option allows you to connect two (34946A) or three (34947A) switches internal/ external to the instrument chassis.
  • Page 12 34946A and 34947A Dual/Triple Microwave Switch Modules 34946A and 34947A Option 001 Installation 4 Feed the ribbon cable up from the bottom. Ensure the cable is centered and straight (90 degrees to the edge of the connector), then gentle squeeze the connector to slightly pinch the cable and prevent it from moving.

  • Page 13: Installing Switches Externally To The Module

    Installing Switches Externally to the Module The steps for installing the cable assembly and 9-pin D-Sub connectors are as follows: 1 Remove the 34946A or 34947A cover by removing the screw (T-10 torx) on the top of the instrument (Figure 1). 34946A w/Option 001...

  • Page 14: Installing Switches Internally To The Module

    34946A and 34947A Dual/Triple Microwave Switch Modules 34946A and 34947A Option 001 Installation Do not attach the 9-pin D-Sub connector (Step 4) until the strands have been routed through the face plate slots. 3 34947A - Route the right, center, and left 9-pin strands through the corresponding slots of the face plate as shown (Figure 1).
  • Page 15 34946A and 34947A Dual/Triple Microwave Switch Modules To install the switches internally, first fasten the connector to each ribbon cable. See the Fastening of 9-pin D-sub connector to the ribbon cable section on page 11 for instructions. Then, secure the connector to the switch using a Pozidrive(PZ1) screwdriver.

  • Page 16: Mounting 4-Port/5-Port Switches

    34946A and 34947A Option 001 Installation Mounting 4-port/5-port switches Typically 34946A and 34947A are standardized to control the 3-port switches (N1810UL and N1810TL). However, Option 001 can be used to control even the N1811TL (4-port) and N1812UL (5-port). Option 001 comes with stick-on Labels (34946-84302) that will be in the kit to support more than the default 3 port switches;...

  • Page 17: Installing Sma Connectors

    34946A and 34947A Dual/Triple Microwave Switch Modules For complete information on the SCPI commands used to program the 34980A, refer to the Keysight 34980A Programmer’s Reference contained on the 34980A Product Reference CD. For example programs, also refer to the 34980A Product Reference CD.

  • Page 18: 34946A And 34947A Simplified Schematics

    34946A and 34947A Dual/Triple Microwave Switch Modules 34946A and 34947A Option 001 Installation 34946A and 34947A Simplified Schematics Figures 3 and 4 show the channel configurations for the 34946A and 34947A modules, respectively. 50 50 50 50 Figure 3 34946A Simplified Schematic...
  • Page 19 34947A Option 001 installation, programming examples, simplified schematic, verification, connectors SMA, N1810TL switches, N1810UL switches, Option 001 34946A, 34947A, programming examples, SMA connectors, switch verification, verification 34946A, 34947A, Keysight 34946A-34947A Microwave Switch/Driver Modules User’s Guide...
  • Page 20 This information is subject to change without notice © Keysight Technologies 2015 Edition 3 December 2015 Published in USA 34980-90046 www.keysight.com...

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