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Фрагмент инструкции
The distribution boards enable • Switch read-back capabilities with distribution boards for fast and easy connection to the • External power option for simultaneous switching • Software drivers for most common programming environments easy configuration The Agilent L4445A is a LXI Class C compliant instrument that controls external switches and attenuators. With its small size and Ethernet connectivity, microwave devices. Using this LXI instrument, you’ll get all the benefits of an Ethernet connection, instrument Web server, standard software drivers the switch/attenuator driver and more. The LXI standard is can be placed wherever your supported by multiple vendors, application needs it. enabling lower cost of test with accelerated test integration and The Agilent L4445A provides development. digital outputs to control switches, attenuators, and other devices that are typically used to route signals in a high frequency system. Many of the most popular microwave switches Agilent Technologies Microwave switch driver for easy routing of high frequency signals in your system The L4445A allows you to control switches, attenuators and other devices close to your device under test. The L4445A combined with the 34945EXT provides the power and control signals to drive up to 64 switch coils—that’s 32 standard SPDT switches. The L4445A can be extended by adding additional 34945EXT extenders. The first 34945EXT is powered by the L4445A. You can add up to seven additional 34945EXT extenders with user supplied power. Multiple switch operations are performed in sequential order, or for faster, simultaneous switching, you can connect an external power supply to the 34945EXT. The digital outputs can also be used to drive LEDs for indication of the switch position. The L4445A/34945EXT also has digital inputs so that you can read back the actual position of the switch or attenuator. The L4445A comes with a standard 9-pin connector for simple connection to the 34945EXT. The Y1150A-Y1155A distribution boards plug onto the 34945EXT and are used to route the power and control signals from the driver to the switches using user supplied cables. This enables simple connections to the external switches without a lot of complicated wiring. The following microwave switches and attenuators are supported with the Y1150AY1155A distribution boards: • N181x/U9397x series SPDT switches • 8762/3/4 series SPDT switches (screw terminals) • 8765x coaxial switches • 8766x/8767x/8768x multiport switches • 87104x/106x/L710xx/L720xx multiport switches • 87406x series matrix switches • 87204x/206x series multiport switches • 87606x series matrix switches • 87222x/L7222 transfer switches • 849x series attenuators • 8490x series attenuators • Screw terminal connections Ethernet connectivity enables simple connection to the network and remote access to measurements The Ethernet interface offers high-speed connections that allow for remote access and control. You can set up a private network to filter out unwanted LAN traffic and speed up the I/O throughput, or take advantage of the remote capabilities and distribute your tests worldwide. Monitor, troubleshoot, or debug your application remotely. Ethernet communication also can be used with the support of LAN sockets connections. 2 The optional GPIB interface has many years of proven reliability and can be used for easy integration into existing applications. The L4445A ships with the Agilent E2094 I/O Libraries Suite making it easy for you to configure and integrate instruments into your system — even if your system includes instruments from multiple vendors. Fully-featured graphical Web interface makes it easy to set-up and troubleshoot your tests from anywhere in the world The built-in Web browser interface provides remote access and control of the instrument via a Java-enabled browser such as Internet Explorer. Using the Web interface, you can set up, troubleshoot, and maintain your instrument from remote locations. • View and modify instrument setup • Configure switch channels and switch pairs • Open or close switches • Send, receive and view SCPI commands • Define and execute switch sequences • View error queue • Get status reports on relay cycle counts, firmware revisions, and more Figure 1. The Web interface makes it easy to set up, troubleshoot and maintain your test remotely Additionally, since the Web server is built into the instrument, you can access it on any operating system that supports the Web browser without having to install any special software. Password protection and LAN lockout are also provided to limit access for additional security. Software for most popular programming environments Full support for standard programming environments ensures compatibility and efficiency. You can use direct I/O with the software you already have and know, or use standard IVI and LabVIEWTM software drivers that provide compatibility with the most popular development environments: • Agilent T&M Too...
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