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Industry News / Amplifiers / Test and Measurement

New Functions for R&S Compact Broadband Amplifier System

April 18, 2011
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Rohde & Schwarz has added new functions to its R&S®BBA100 broadband amplifier family to create a one-box solution. Integrated RF output switches and sample port switches allow the amplifiers to be used for many applications without the need for external switching matrices. Existing third-party amplifiers can also be integrated into the R&SBBA100 system. The modular design allows users to combine many functions into a compact EMC broadband amplifier system that is tailored to their requirements. The amplifier system is ideal for EMC applications in test houses as well as in the electronics and automobile industry.

The new RF switches for the broadband amplifier enable users to put together compact amplifier systems – without switching matrices or separate system controllers. The R&SBBA100 performs the functions of these external instruments and now offers RF output switches and an RF sample switch in addition to an RF input switch. The new RF output switches can be used to apply the RF signal to various loads, such as clamps or antennas.

The switches are available in 2:1 (two inputs, one output) and 1:2 (one input, two outputs) versions and can be cascaded as required. Switching takes place automatically when the RF path is selected. The new sample port switch was designed for systems with multiple frequency bands. When a frequency band is selected, the sample port switch automatically applies the right sample signal (forward and reflected power) to the sample ports. This makes it easier to connect other T&M instruments such as power meters and spectrum analyzers since the user no longer has to disconnect and reconnect measuring equipment when the frequency band is changed.

It is now also possible to integrate up to two additional third-party amplifiers. The system controller of the R&SBBA100 broadband amplifier ensures consistent operation throughout the entire system. This allows the user to easily extend an existing amplifier system step by step and still use existing amplifiers. For remote control, the amplifier system now offers a USB port as well as GPIB, Ethernet and optical Ethernet. As a result, the user has a multitude of ways to integrate the R&SBBA100 broadband amplifier into various network topologies.


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